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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Casarejos%2C+E&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Casarejos%2C+E&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Casarejos%2C+E&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2412.08245">arXiv:2412.08245</a> <span> [<a href="https://arxiv.org/pdf/2412.08245">pdf</a>, <a href="https://arxiv.org/format/2412.08245">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Mirror Symmetry Breaking Disclosed in the Decay of Three-Proton Emitter 20Al </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X+-">X. -D. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+J+G">J. G. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+S+M">S. M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bajzek%2C+M">M. Bajzek</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gomez-Camacho%2C+J">J. Gomez-Camacho</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Korsheninnikov%2C+A+A">A. A. Korsheninnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Kostyleva%2C+D">D. Kostyleva</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurz%2C+N">N. Kurz</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a>, <a href="/search/nucl-ex?searchtype=author&query=Nociforo%2C+C">C. Nociforo</a>, <a href="/search/nucl-ex?searchtype=author&query=Pfutzner%2C+M">M. Pfutzner</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C4%B1guez-Tajes%2C+C">C. Rodr谋guez-Tajes</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C. Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Stanoiu%2C+M">M. Stanoiu</a>, <a href="/search/nucl-ex?searchtype=author&query=Suemmerer%2C+K">K. Suemmerer</a> , et al. (3 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2412.08245v1-abstract-short" style="display: inline;"> The previously-unknown nucleus 20Al has been observed for the first time by detecting its in-flight decays. Tracking trajectories of all decay products with silicon micro-strip detectors allowed for a conclusion that 20Al is unbound with respect to three-proton (3p) emission. The 3p-decay energy of 20Al ground state has been determined to be 1.93(+0.11,-0.09) MeV through a detailed study of angula… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.08245v1-abstract-full').style.display = 'inline'; document.getElementById('2412.08245v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2412.08245v1-abstract-full" style="display: none;"> The previously-unknown nucleus 20Al has been observed for the first time by detecting its in-flight decays. Tracking trajectories of all decay products with silicon micro-strip detectors allowed for a conclusion that 20Al is unbound with respect to three-proton (3p) emission. The 3p-decay energy of 20Al ground state has been determined to be 1.93(+0.11,-0.09) MeV through a detailed study of angular correlations of its decay products, 17Ne+p+p+p. This value is much smaller in comparison with the predictions inferred from the isospin symmetry by using the known energy of its mirror nucleus 20N, which indicates a possible mirror symmetry violation in the structure of 3p emitters. Such an isospin symmetry breaking is supported by the calculations of the continuum embedded theoretical frameworks, describing the observed 20Al ground state as an 1p s-wave state with a spin-parity of 1-, which contradicts to the spin-parity (2-) of the 20N ground state. The 20Al ground state decays by sequential 1p-2p emission via intermediate ground state of 19Mg, which is the first observed case of daughter two-proton radioactivity following 1p decay of the parent state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2412.08245v1-abstract-full').style.display = 'none'; document.getElementById('2412.08245v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 December, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 6 figures, to be submitted to APS</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2407.10339">arXiv:2407.10339</a> <span> [<a href="https://arxiv.org/pdf/2407.10339">pdf</a>, <a href="https://arxiv.org/format/2407.10339">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Astrophysical Phenomena">astro-ph.HE</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Supernova Pointing Capabilities of DUNE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=DUNE+Collaboration"> DUNE Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abud%2C+A+A">A. Abed Abud</a>, <a href="/search/nucl-ex?searchtype=author&query=Abi%2C+B">B. Abi</a>, <a href="/search/nucl-ex?searchtype=author&query=Acciarri%2C+R">R. Acciarri</a>, <a href="/search/nucl-ex?searchtype=author&query=Acero%2C+M+A">M. A. Acero</a>, <a href="/search/nucl-ex?searchtype=author&query=Adames%2C+M+R">M. R. Adames</a>, <a href="/search/nucl-ex?searchtype=author&query=Adamov%2C+G">G. Adamov</a>, <a href="/search/nucl-ex?searchtype=author&query=Adamowski%2C+M">M. Adamowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Adams%2C+D">D. Adams</a>, <a href="/search/nucl-ex?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/nucl-ex?searchtype=author&query=Adriano%2C+C">C. Adriano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aduszkiewicz%2C+A">A. Aduszkiewicz</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilar%2C+J">J. Aguilar</a>, <a href="/search/nucl-ex?searchtype=author&query=Aimard%2C+B">B. Aimard</a>, <a href="/search/nucl-ex?searchtype=author&query=Akbar%2C+F">F. Akbar</a>, <a href="/search/nucl-ex?searchtype=author&query=Allison%2C+K">K. Allison</a>, <a href="/search/nucl-ex?searchtype=author&query=Monsalve%2C+S+A">S. Alonso Monsalve</a>, <a href="/search/nucl-ex?searchtype=author&query=Alrashed%2C+M">M. Alrashed</a>, <a href="/search/nucl-ex?searchtype=author&query=Alton%2C+A">A. Alton</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+R">R. Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Alves%2C+T">T. Alves</a>, <a href="/search/nucl-ex?searchtype=author&query=Amar%2C+H">H. Amar</a>, <a href="/search/nucl-ex?searchtype=author&query=Amedo%2C+P">P. Amedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrade%2C+D+A">D. A. Andrade</a> , et al. (1340 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2407.10339v1-abstract-short" style="display: inline;"> The determination of the direction of a stellar core collapse via its neutrino emission is crucial for the identification of the progenitor for a multimessenger follow-up. A highly effective method of reconstructing supernova directions within the Deep Underground Neutrino Experiment (DUNE) is introduced. The supernova neutrino pointing resolution is studied by simulating and reconstructing electr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10339v1-abstract-full').style.display = 'inline'; document.getElementById('2407.10339v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.10339v1-abstract-full" style="display: none;"> The determination of the direction of a stellar core collapse via its neutrino emission is crucial for the identification of the progenitor for a multimessenger follow-up. A highly effective method of reconstructing supernova directions within the Deep Underground Neutrino Experiment (DUNE) is introduced. The supernova neutrino pointing resolution is studied by simulating and reconstructing electron-neutrino charged-current absorption on $^{40}$Ar and elastic scattering of neutrinos on electrons. Procedures to reconstruct individual interactions, including a newly developed technique called ``brems flipping'', as well as the burst direction from an ensemble of interactions are described. Performance of the burst direction reconstruction is evaluated for supernovae happening at a distance of 10 kpc for a specific supernova burst flux model. The pointing resolution is found to be 3.4 degrees at 68% coverage for a perfect interaction-channel classification and a fiducial mass of 40 kton, and 6.6 degrees for a 10 kton fiducial mass respectively. Assuming a 4% rate of charged-current interactions being misidentified as elastic scattering, DUNE's burst pointing resolution is found to be 4.3 degrees (8.7 degrees) at 68% coverage. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10339v1-abstract-full').style.display = 'none'; document.getElementById('2407.10339v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages, 16 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-24-0319-LBNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.04771">arXiv:2406.04771</a> <span> [<a href="https://arxiv.org/pdf/2406.04771">pdf</a>, <a href="https://arxiv.org/format/2406.04771">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.110.L031301">10.1103/PhysRevC.110.L031301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Observation and spectroscopy of proton-unbound nucleus $^{21}$Al </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Kostyleva%2C+D">D. Kostyleva</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X+-">X. -D. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bajzek%2C+M">M. Bajzek</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciemny%2C+A+A">A. A. Ciemny</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Due%C3%B1as%2C+J+A">J. A. Due帽as</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrad%C3%A9%2C+A">A. Estrad茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3mez-Camacho%2C+J">J. G贸mez-Camacho</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Korsheninnikov%2C+A+A">A. A. Korsheninnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a> , et al. (29 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2406.04771v1-abstract-short" style="display: inline;"> We report on the observation of previously-unknown isotope $^{21}$Al, the first unbound aluminum isotope located beyond the proton dripline. The $^{21}$Al nucleus decays by one-proton (1p) emission, and its in-flight decays were detected by tracking trajectories of all decay products with micro-strip silicon detectors. The 1p-emission processes were studied by analyses of the measured angular corr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.04771v1-abstract-full').style.display = 'inline'; document.getElementById('2406.04771v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.04771v1-abstract-full" style="display: none;"> We report on the observation of previously-unknown isotope $^{21}$Al, the first unbound aluminum isotope located beyond the proton dripline. The $^{21}$Al nucleus decays by one-proton (1p) emission, and its in-flight decays were detected by tracking trajectories of all decay products with micro-strip silicon detectors. The 1p-emission processes were studied by analyses of the measured angular correlations of decay products $^{20}$Mg+p. The 1p-decay energies of ground and low-lying excited states of $^{21}$Al, its mass excess and proton separation energy value $S_p$=$-1.1(1)$ MeV were determined. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.04771v1-abstract-full').style.display = 'none'; document.getElementById('2406.04771v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 7 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review C 110, L031301 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2302.13856">arXiv:2302.13856</a> <span> [<a href="https://arxiv.org/pdf/2302.13856">pdf</a>, <a href="https://arxiv.org/ps/2302.13856">ps</a>, <a href="https://arxiv.org/format/2302.13856">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.107.L021601">10.1103/PhysRevC.107.L021601 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental evidence of the effect of nuclear shells on fission dissipation and time </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ramos%2C+D">D. Ramos</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodriguez-Tajes%2C+C">C. Rodriguez-Tajes</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Clement%2C+E">E. Clement</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina%2C+D">D. Cortina</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaune%2C+O">O. Delaune</a>, <a href="/search/nucl-ex?searchtype=author&query=Derkx%2C+X">X. Derkx</a>, <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Dore%2C+D">D. Dore</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Dominguez%2C+B">B. Fernandez-Dominguez</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Jacquot%2C+B">B. Jacquot</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C. Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+M">M. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Roger%2C+T">T. Roger</a>, <a href="/search/nucl-ex?searchtype=author&query=Salsac%2C+M+-">M. -D. Salsac</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2302.13856v1-abstract-short" style="display: inline;"> Nuclear fission is still one of the most complex physical processes we can observe in nature due to the interplay of macroscopic and microscopic nuclear properties that decide the result. An example of this coupling is the presence of nuclear dissipation as an important ingredient that contributes to drive the dynamics and has a clear impact on the time of the process. However, different theoretic… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2302.13856v1-abstract-full').style.display = 'inline'; document.getElementById('2302.13856v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2302.13856v1-abstract-full" style="display: none;"> Nuclear fission is still one of the most complex physical processes we can observe in nature due to the interplay of macroscopic and microscopic nuclear properties that decide the result. An example of this coupling is the presence of nuclear dissipation as an important ingredient that contributes to drive the dynamics and has a clear impact on the time of the process. However, different theoretical interpretations, and scarce experimental data make it poorly understood. In this letter, we present the first experimental determination of the dissipation energy in fission as a function of the fragment split, for three different fissioning systems. The amount of dissipation was obtained through the measurement of the relative production of fragments with even and odd atomic numbers with respect to different initial fission energies. The results reveal a clear effect of particular nuclear shells on the dissipation and fission dynamics. In addition, the relative production of fragments with even and odd atomic numbers appears as a potential contributor to the long-standing problem of the time scale in fission. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2302.13856v1-abstract-full').style.display = 'none'; document.getElementById('2302.13856v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 February, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2023. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.06054">arXiv:2210.06054</a> <span> [<a href="https://arxiv.org/pdf/2210.06054">pdf</a>, <a href="https://arxiv.org/ps/2210.06054">ps</a>, <a href="https://arxiv.org/format/2210.06054">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Quasi-free (p,2p) reactions in inverse kinematics for studying the fission yield dependence on temperature </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Gra%C3%B1a-Gonz%C3%A1lez%2C+A">A. Gra帽a-Gonz谩lez</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-S%C3%A1nchez%2C+J+L">J. L. Rodr铆guez-S谩nchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Garc%C3%ADa-Jim%C3%A9nez%2C+G">G. Garc铆a-Jim茅nez</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Authelet%2C+G">G. Authelet</a>, <a href="/search/nucl-ex?searchtype=author&query=Besteiro%2C+A">A. Besteiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Blanchon%2C+G">G. Blanchon</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Cabanelas%2C+P">P. Cabanelas</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Feijoo%2C+M">M. Feijoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Galaviz%2C+D">D. Galaviz</a>, <a href="/search/nucl-ex?searchtype=author&query=Gasparic%2C+I">I. Gasparic</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Heil%2C+M">M. Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Holl%2C+M">M. Holl</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenegger%2C+T">T. Jenegger</a> , et al. (37 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2210.06054v1-abstract-short" style="display: inline;"> Despite the recent experimental and theoretical progress in the investigation of the nuclear fission process, a complete description still represents a challenge in nuclear physics because it is a very complex dynamical process, whose description involves the coupling between intrinsic and collective degrees of freedom, as well as different quantum-mechanical phenomena. To improve on the existing… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.06054v1-abstract-full').style.display = 'inline'; document.getElementById('2210.06054v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.06054v1-abstract-full" style="display: none;"> Despite the recent experimental and theoretical progress in the investigation of the nuclear fission process, a complete description still represents a challenge in nuclear physics because it is a very complex dynamical process, whose description involves the coupling between intrinsic and collective degrees of freedom, as well as different quantum-mechanical phenomena. To improve on the existing data on nuclear fission, we produce fission reactions of heavy nuclei in inverse kinematics by using quasi-free (p,2p) scattering, which induce fission through particle-hole excitations that can range from few to ten's of MeV. The measurement of the four-momenta of the two outgoing protons allows to reconstruct the excitation energy of the fissioning compound nucleus and therefore to study the evolution of the fission yields with temperature. The realization of this kind of experiment requires a complex experimental setup, providing full isotopic identification of both fission fragments and an accurate measurement of the momenta of the two outgoing protons. This was realized recently at the GSI/FAIR facility and here some preliminary results are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.06054v1-abstract-full').style.display = 'none'; document.getElementById('2210.06054v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 2 figures, FAIRNESS 2022. arXiv admin note: text overlap with arXiv:2210.04741</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.04741">arXiv:2210.04741</a> <span> [<a href="https://arxiv.org/pdf/2210.04741">pdf</a>, <a href="https://arxiv.org/ps/2210.04741">ps</a>, <a href="https://arxiv.org/format/2210.04741">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1051/epjconf/202328404020">10.1051/epjconf/202328404020 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Comprehensive investigation of fission yields by using spallation- and (p,2p)-induced fission reactions in inverse kinematics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-S%C3%A1nchez%2C+J+L">J. L. Rodr铆guez-S谩nchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Gra%C3%B1a-Gonz%C3%A1lez%2C+A">A. Gra帽a-Gonz谩lez</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Garc%C3%ADa-Jim%C3%A9nez%2C+G">G. Garc铆a-Jim茅nez</a>, <a href="/search/nucl-ex?searchtype=author&query=Taieb%2C+J">J. Taieb</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Authelet%2C+G">G. Authelet</a>, <a href="/search/nucl-ex?searchtype=author&query=Besteiro%2C+A">A. Besteiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Blanchon%2C+G">G. Blanchon</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Cabanelas%2C+P">P. Cabanelas</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Filippo%2C+E">E. De Filippo</a>, <a href="/search/nucl-ex?searchtype=author&query=Feijoo%2C+M">M. Feijoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Galaviz%2C+D">D. Galaviz</a>, <a href="/search/nucl-ex?searchtype=author&query=Gasparic%2C+I">I. Gasparic</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Haettner%2C+E">E. Haettner</a>, <a href="/search/nucl-ex?searchtype=author&query=Heil%2C+M">M. Heil</a> , et al. (44 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2210.04741v1-abstract-short" style="display: inline;"> In the last decades, measurements of spallation, fragmentation and Coulex induced fission reactions in inverse kinematics have provided valuable data to accurately investigate the fission dynamics and nuclear structure at large deformations of a large variety of stable and non-stable heavy nuclei. To go a step further, we propose now to induce fission by the use of quasi-free (p,2p) scattering rea… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.04741v1-abstract-full').style.display = 'inline'; document.getElementById('2210.04741v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.04741v1-abstract-full" style="display: none;"> In the last decades, measurements of spallation, fragmentation and Coulex induced fission reactions in inverse kinematics have provided valuable data to accurately investigate the fission dynamics and nuclear structure at large deformations of a large variety of stable and non-stable heavy nuclei. To go a step further, we propose now to induce fission by the use of quasi-free (p,2p) scattering reactions in inverse kinematics, which allows us to reconstruct the excitation energy of the compound fissioning system by using the four-momenta of the two outgoing protons. Therefore, this new approach might permit to correlate the excitation energy with the charge and mass distributions of the fission fragments and with the fission probabilities, given for the first time direct access to the simultaneous measurement of the fission yield dependence on temperature and fission barrier heights of exotic heavy nuclei, respectively. The first experiment based on this methodology was realized recently at the GSI/FAIR facility and a detailed description of the experimental setup is given here. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.04741v1-abstract-full').style.display = 'none'; document.getElementById('2210.04741v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 15th International Conference on Nuclear Data for Science and Technology (ND2022)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.07641">arXiv:2111.07641</a> <span> [<a href="https://arxiv.org/pdf/2111.07641">pdf</a>, <a href="https://arxiv.org/ps/2111.07641">ps</a>, <a href="https://arxiv.org/format/2111.07641">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.106.014618">10.1103/PhysRevC.106.014618 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic study of 螖(1232) resonance excitations using single isobaric charge-exchange reactions induced by medium-mass projectiles of Sn </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rodriguez-Sanchez%2C+J+L">J. L. Rodriguez-Sanchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Vidana%2C+I">I. Vidana</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenske%2C+H">H. Lenske</a>, <a href="/search/nucl-ex?searchtype=author&query=Vargas%2C+J">J. Vargas</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C. Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atkinson%2C+J">J. Atkinson</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayyad%2C+Y">Y. Ayyad</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+P+D">P. Diaz Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrade%2C+A">A. Estrade</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Haettner%2C+E">E. Haettner</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic-Heil%2C+A">A. Kelic-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C. Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=Perez-Loureiro%2C+D">D. Perez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietri%2C+S">S. Pietri</a>, <a href="/search/nucl-ex?searchtype=author&query=Prochazka%2C+A">A. Prochazka</a> , et al. (4 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.07641v3-abstract-short" style="display: inline;"> The fragment separator FRS has been for the first time used to measure the (n,p) and (p,n)-type isobaric charge-exchange cross sections of stable 112,124Sn isotopes accelerated at 1A GeV with an uncertainty of 3% and to separate quasi-elastic and inelastic components in the missing-energy spectra of the ejectiles. The inelastic contribution can be associated to the excitation of isobar 螖(1232) res… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.07641v3-abstract-full').style.display = 'inline'; document.getElementById('2111.07641v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.07641v3-abstract-full" style="display: none;"> The fragment separator FRS has been for the first time used to measure the (n,p) and (p,n)-type isobaric charge-exchange cross sections of stable 112,124Sn isotopes accelerated at 1A GeV with an uncertainty of 3% and to separate quasi-elastic and inelastic components in the missing-energy spectra of the ejectiles. The inelastic contribution can be associated to the excitation of isobar 螖(1232) resonances and to the pion emission in s-wave, both in the target and projectile nuclei, while the quasi-elastic contribution is associated to the nuclear spin-isospin response of nucleon-hole excitations. The data lead to interesting results where we observe a clear quenching of the quasi-elastic component and their comparisons to theoretical calculations demonstrate that the baryonic resonances can be excited in the target and projectile nuclei. To go further in this investigation, we propose to study the excitation of baryonic resonances taking advantage of the combination of high-resolving power magnetic spectrometers with the WASA calorimeter. These new measurements will allow us to determine the momenta of the ejectiles and pions emitted in coincidence after the single isobaric charge-exchange collisions, providing us unique opportunities to study the evolution of the baryonic resonance dynamics with the neutron-proton asymmetry through the use of exotic radioactive ion beams. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.07641v3-abstract-full').style.display = 'none'; document.getElementById('2111.07641v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 9 figures. arXiv admin note: text overlap with arXiv:2004.06404</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2010.14859">arXiv:2010.14859</a> <span> [<a href="https://arxiv.org/pdf/2010.14859">pdf</a>, <a href="https://arxiv.org/ps/2010.14859">ps</a>, <a href="https://arxiv.org/format/2010.14859">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2021.136183">10.1016/j.physletb.2021.136183 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Manifestation of the Berry phase in the atomic nucleus $^{213}$Pb </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Valiente-Dob%C3%B3n%2C+J+J">J. J. Valiente-Dob贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Boutachkov%2C+P">P. Boutachkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bracco%2C+A">A. Bracco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruce%2C+A+M">A. M. Bruce</a>, <a href="/search/nucl-ex?searchtype=author&query=Camera%2C+F">F. Camera</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cort%C3%A9s%2C+M+L">M. L. Cort茅s</a>, <a href="/search/nucl-ex?searchtype=author&query=Crespi%2C+F+C+L">F. C. L. Crespi</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Doncel%2C+M">M. Doncel</a>, <a href="/search/nucl-ex?searchtype=author&query=Engert%2C+T">T. Engert</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Goel%2C+N">N. Goel</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3rska%2C+M">M. G贸rska</a>, <a href="/search/nucl-ex?searchtype=author&query=Grebosz%2C+J">J. Grebosz</a> , et al. (35 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2010.14859v1-abstract-short" style="display: inline;"> The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $纬$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the n… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.14859v1-abstract-full').style.display = 'inline'; document.getElementById('2010.14859v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2010.14859v1-abstract-full" style="display: none;"> The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $纬$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum $J=0$. The conservation of seniority is a consequence of the Berry phase associated with particle-hole conjugation, which becomes gauge invariant and therefore observable in semi-magic nuclei where nucleons half-fill the valence shell. The $纬$-ray spectroscopic observables in $^{213}$Pb are thus found to be driven by two mechanisms, particle-hole conjugation and seniority conservation, which are intertwined through the Berry phase. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.14859v1-abstract-full').style.display = 'none'; document.getElementById('2010.14859v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.10126">arXiv:2008.10126</a> <span> [<a href="https://arxiv.org/pdf/2008.10126">pdf</a>, <a href="https://arxiv.org/format/2008.10126">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2020.135748">10.1016/j.physletb.2020.135748 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Syndikus%2C+I">I. Syndikus</a>, <a href="/search/nucl-ex?searchtype=author&query=Petri%2C+M">M. Petri</a>, <a href="/search/nucl-ex?searchtype=author&query=Macchiavelli%2C+A+O">A. O. Macchiavelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Paschalis%2C+S">S. Paschalis</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Boillos%2C+J+M">J. M. Boillos</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Brown%2C+B+A">B. A. Brown</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">W. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Chulkov%2C+L+V">L. V. Chulkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Cravo%2C+E">E. Cravo</a>, <a href="/search/nucl-ex?searchtype=author&query=Crespo%2C+R">R. Crespo</a>, <a href="/search/nucl-ex?searchtype=author&query=Dillmann%2C+I">I. Dillmann</a>, <a href="/search/nucl-ex?searchtype=author&query=Fern%C3%A1ndez%2C+P+D">P. D铆az Fern谩ndez</a> , et al. (54 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2008.10126v1-abstract-short" style="display: inline;"> The evolution of the traditional nuclear magic numbers away from the valley of stability is an active field of research. Experimental efforts focus on providing key spectroscopic information that will shed light into the structure of exotic nuclei and understanding the driving mechanism behind the shell evolution. In this work, we investigate the Z = 6 spin-orbit shell gap towards the neutron drip… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.10126v1-abstract-full').style.display = 'inline'; document.getElementById('2008.10126v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.10126v1-abstract-full" style="display: none;"> The evolution of the traditional nuclear magic numbers away from the valley of stability is an active field of research. Experimental efforts focus on providing key spectroscopic information that will shed light into the structure of exotic nuclei and understanding the driving mechanism behind the shell evolution. In this work, we investigate the Z = 6 spin-orbit shell gap towards the neutron dripline. To do so, we employed $^{A}$N(p,2p)$^{A-1}$C quasi-free scattering reactions to measure the proton component of the 2$^+_1$ state of $^{16,18,20}$C. The experimental findings support the notion of a moderate reduction of the proton 1p$_{1/2}$-1p$_{3/2}$ spin-orbit splitting, at variance to recent claims for a prevalent Z = 6 magic number towards the neutron dripline. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.10126v1-abstract-full').style.display = 'none'; document.getElementById('2008.10126v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages, 5 figures, 2 tables. Submitted to Physics Letter B</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> PhysicsLetters B809 (2020) 135748 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2006.05774">arXiv:2006.05774</a> <span> [<a href="https://arxiv.org/pdf/2006.05774">pdf</a>, <a href="https://arxiv.org/ps/2006.05774">ps</a>, <a href="https://arxiv.org/format/2006.05774">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2020.135962">10.1016/j.physletb.2020.135962 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic reduction of the proton-removal cross section in neutron-rich medium-mass nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=D%C3%ADaz-Cort%C3%A9s%2C+J">J. D铆az-Cort茅s</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-S%C3%A1nchez%2C+J+L">J. L. Rodr铆guez-S谩nchez</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez-Pol%2C+H">H. 脕lvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Dragosavac%2C+D">D. Dragosavac</a>, <a href="/search/nucl-ex?searchtype=author&query=F%C3%B6hr%2C+V">V. F枚hr</a>, <a href="/search/nucl-ex?searchtype=author&query=Gargano%2C+A">A. Gargano</a>, <a href="/search/nucl-ex?searchtype=author&query=Gasc%C3%B3n%2C+M">M. Gasc贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Gawlikowicz%2C+W">W. Gawlikowicz</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Helariutta%2C+K">K. Helariutta</a>, <a href="/search/nucl-ex?searchtype=author&query=Keli%C4%87-Heil%2C+A">A. Keli膰-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Luki%C4%87%2C+S">S. Luki膰</a>, <a href="/search/nucl-ex?searchtype=author&query=Montes%2C+F">F. Montes</a>, <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9rez-Loureiro%2C+D">D. P茅rez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pie%C5%84kowski%2C+L">L. Pie艅kowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K">K-H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Staniou%2C+M">M. Staniou</a>, <a href="/search/nucl-ex?searchtype=author&query=Suboti%C4%87%2C+K">K. Suboti膰</a>, <a href="/search/nucl-ex?searchtype=author&query=S%C3%BCmmerer%2C+K">K. S眉mmerer</a> , et al. (2 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2006.05774v1-abstract-short" style="display: inline;"> Single neutron- and proton-removal cross sections have been systematically measured for 72 medium-mass neutron-rich nuclei around Z=50 and energies around 900A MeV using the FRagment Separator (FRS) at GSI. Neutron-removal cross sections are described by considering the knock-out process together with initial- and final-state interactions. Proton-removal cross sections are, however, significantly… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.05774v1-abstract-full').style.display = 'inline'; document.getElementById('2006.05774v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2006.05774v1-abstract-full" style="display: none;"> Single neutron- and proton-removal cross sections have been systematically measured for 72 medium-mass neutron-rich nuclei around Z=50 and energies around 900A MeV using the FRagment Separator (FRS) at GSI. Neutron-removal cross sections are described by considering the knock-out process together with initial- and final-state interactions. Proton-removal cross sections are, however, significantly smaller than predicted by the same calculations. The observed difference can be explained as due to the knockout of short-correlated protons in neutron-proton dominating pairs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.05774v1-abstract-full').style.display = 'none'; document.getElementById('2006.05774v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2006.04589">arXiv:2006.04589</a> <span> [<a href="https://arxiv.org/pdf/2006.04589">pdf</a>, <a href="https://arxiv.org/ps/2006.04589">ps</a>, <a href="https://arxiv.org/format/2006.04589">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Excitation of baryonic resonances in stable medium-mass nuclei of Sn </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rodriguez-Sanchez%2C+J+L">J L Rodriguez-Sanchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Haettner%2C+E">E Haettner</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Vargas%2C+J">J Vargas</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayyad%2C+Y">Y Ayyad</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atkinson%2C+J">J Atkinson</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+P+D">P Diaz Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrade%2C+A">A Estrade</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Itahashi%2C+K">K Itahashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic-Heil%2C+A">A Kelic-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenske%2C+H">H Lenske</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu A Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=Perez-Loureiro%2C+D">D Perez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietri%2C+S">S Pietri</a>, <a href="/search/nucl-ex?searchtype=author&query=Prochazka%2C+A">A Prochazka</a> , et al. (7 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2006.04589v1-abstract-short" style="display: inline;"> Isobaric charge-exchange reactions induced by beams of 112Sn have been investigated at the GSI facilities using the fragment separator FRS. The high-resolving power of this spectrometer makes it possible to obtain the isobaric charge-exchange cross sections with an accuracy of 3% and to separate quasi-elastic and inelastic contributions in the missing-energy spectra, in which the inelastic compone… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.04589v1-abstract-full').style.display = 'inline'; document.getElementById('2006.04589v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2006.04589v1-abstract-full" style="display: none;"> Isobaric charge-exchange reactions induced by beams of 112Sn have been investigated at the GSI facilities using the fragment separator FRS. The high-resolving power of this spectrometer makes it possible to obtain the isobaric charge-exchange cross sections with an accuracy of 3% and to separate quasi-elastic and inelastic contributions in the missing-energy spectra, in which the inelastic component is associated to the in-medium excitation of baryonic resonances such as the $螖$ resonance. We report on the results obtained for the (p,n) and (n,p) channels excited by using different targets that cover a large range in neutron excess. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2006.04589v1-abstract-full').style.display = 'none'; document.getElementById('2006.04589v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">arXiv admin note: text overlap with arXiv:2004.06404</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2004.06404">arXiv:2004.06404</a> <span> [<a href="https://arxiv.org/pdf/2004.06404">pdf</a>, <a href="https://arxiv.org/ps/2004.06404">ps</a>, <a href="https://arxiv.org/format/2004.06404">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2020.135565">10.1016/j.physletb.2020.135565 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Study of $螖$ excitations in medium-mass nuclei with peripheral heavy ion charge-exchange reactions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rodriguez-Sanchez%2C+J+L">J. L. Rodriguez-Sanchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Vida%C3%B1a%2C+I">I. Vida帽a</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenske%2C+H">H. Lenske</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C. Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Vargas%2C+J">J. Vargas</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayyad%2C+Y">Y. Ayyad</a>, <a href="/search/nucl-ex?searchtype=author&query=Atkinson%2C+J">J. Atkinson</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+P+D">P. Diaz Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrade%2C+A">A. Estrade</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Haettner%2C+E">E. Haettner</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic-Heil%2C+A">A. Kelic-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C. Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=Perez-Loureiro%2C+D">D. Perez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietri%2C+S">S. Pietri</a>, <a href="/search/nucl-ex?searchtype=author&query=Prochazka%2C+A">A. Prochazka</a> , et al. (4 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2004.06404v2-abstract-short" style="display: inline;"> Isobaric single charge-exchange reactions, changing nuclear charges by one unit but leaving the mass partitions unaffected, have been for the first time investigated by peripheral collisions of $^{112}$Sn ions accelerated up to 1\textit{A} GeV at the GSI facilities. The high-resolving power of the FRS spectrometer allows us to obtain $(p, n)$-type isobaric charge-exchange cross sections with an un… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.06404v2-abstract-full').style.display = 'inline'; document.getElementById('2004.06404v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2004.06404v2-abstract-full" style="display: none;"> Isobaric single charge-exchange reactions, changing nuclear charges by one unit but leaving the mass partitions unaffected, have been for the first time investigated by peripheral collisions of $^{112}$Sn ions accelerated up to 1\textit{A} GeV at the GSI facilities. The high-resolving power of the FRS spectrometer allows us to obtain $(p, n)$-type isobaric charge-exchange cross sections with an uncertainty of $3.5\%$ and to separate quasi-elastic and inelastic components in the missing-energy spectra of the ejectiles. The inelastic component is associated to the excitation of the $螖$(1232) isobar resonance and the emission of pions in s-wave both in the target and projectile nucleus, while the quasi-elastic contribution is associated to the nuclear spin-isospin response of nucleon-hole excitations. An apparent shift of the $螖$-resonance peak of $\sim$63 MeV is observed when comparing the missing-energy spectra obtained from the measurements with proton and carbon targets. A detailed analysis, performed with a theoretical model for the reactions, indicates that this observation can be simply interpreted as a change in the relative magnitude between the contribution of the excitation of the resonance in the target and in the projectile. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.06404v2-abstract-full').style.display = 'none'; document.getElementById('2004.06404v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 April, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2003.04143">arXiv:2003.04143</a> <span> [<a href="https://arxiv.org/pdf/2003.04143">pdf</a>, <a href="https://arxiv.org/format/2003.04143">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/1667/1/012006">10.1088/1742-6596/1667/1/012006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Commissioning of the CALIFA Barrel Calorimeter of the R$^{3}$B Experiment at FAIR </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cabanelas%2C+P">P Cabanelas</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Boillos%2C+J+M">J M Boillos</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">J Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina%2C+D">D Cortina</a>, <a href="/search/nucl-ex?searchtype=author&query=Feijoo%2C+M">M Feijoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Galaviz%2C+D">D Galaviz</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+E+G+R">E Galiana R Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Golubev%2C+P">P Golubev</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonz%C3%A1lez%2C+D">D Gonz谩lez</a>, <a href="/search/nucl-ex?searchtype=author&query=Hartig%2C+A">A-L Hartig</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Johansson%2C+H">H Johansson</a>, <a href="/search/nucl-ex?searchtype=author&query=Klenze%2C+P">P Klenze</a>, <a href="/search/nucl-ex?searchtype=author&query=Knyazev%2C+A">A Knyazev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%B6ll%2C+T">T Kr枚ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Nacher%2C+E">E Nacher</a>, <a href="/search/nucl-ex?searchtype=author&query=Park%2C+J">J Park</a>, <a href="/search/nucl-ex?searchtype=author&query=Perea%2C+A">A Perea</a>, <a href="/search/nucl-ex?searchtype=author&query=Ponnath%2C+L">L Ponnath</a>, <a href="/search/nucl-ex?searchtype=author&query=Rhee%2C+H">H-B Rhee</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-S%C3%A1nchez%2C+J+L">J L Rodr铆guez-S谩nchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Suerder%2C+C">C Suerder</a>, <a href="/search/nucl-ex?searchtype=author&query=Tengblad%2C+O">O Tengblad</a> , et al. (1 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2003.04143v1-abstract-short" style="display: inline;"> CALIFA is the high efficiency and energy resolution calorimeter for the R$^{3}$B experiment at FAIR, intended for detecting high energy charged particles and $纬$-rays in inverse kinematics direct reactions. It surrounds the reaction target in a segmented configuration of Barrel and Forward End-Cap pieces. The CALIFA Barrel consists of 1952 detection units made of CsI(Tl) long-shaped scintillator c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.04143v1-abstract-full').style.display = 'inline'; document.getElementById('2003.04143v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2003.04143v1-abstract-full" style="display: none;"> CALIFA is the high efficiency and energy resolution calorimeter for the R$^{3}$B experiment at FAIR, intended for detecting high energy charged particles and $纬$-rays in inverse kinematics direct reactions. It surrounds the reaction target in a segmented configuration of Barrel and Forward End-Cap pieces. The CALIFA Barrel consists of 1952 detection units made of CsI(Tl) long-shaped scintillator crystals, and it is being commissioned during the Phase0 experiments at FAIR. The first setup for the CALIFA Barrel commissioning is presented here. Results of detector performance with $纬$-rays are obtained, and show that the system fulfills the design requirements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.04143v1-abstract-full').style.display = 'none'; document.getElementById('2003.04143v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 March, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2020 J. Phys.: Conf. Ser. 1667 012006 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2003.01485">arXiv:2003.01485</a> <span> [<a href="https://arxiv.org/pdf/2003.01485">pdf</a>, <a href="https://arxiv.org/ps/2003.01485">ps</a>, <a href="https://arxiv.org/format/2003.01485">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2020.163845">10.1016/j.nima.2020.163845 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance recovery of long CsI(Tl) scintillator crystals with APD-based readout </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cabanelas%2C+P">P. Cabanelas</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonz%C3%A1lez%2C+D">D. Gonz谩lez</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Boillos%2C+J+M">J. M. Boillos</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">J. Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina%2C+D">D. Cortina</a>, <a href="/search/nucl-ex?searchtype=author&query=Feijoo%2C+M">M. Feijoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Galaviz%2C+D">D. Galaviz</a>, <a href="/search/nucl-ex?searchtype=author&query=Galiana%2C+E">E. Galiana</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Golubev%2C+P">P. Golubev</a>, <a href="/search/nucl-ex?searchtype=author&query=Hartig%2C+A+-">A. -L. Hartig</a>, <a href="/search/nucl-ex?searchtype=author&query=Klenze%2C+P">P. Klenze</a>, <a href="/search/nucl-ex?searchtype=author&query=Knyazev%2C+A">A. Knyazev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%B6ll%2C+T">T. Kr枚ll</a>, <a href="/search/nucl-ex?searchtype=author&query=N%C3%A1cher%2C+E">E. N谩cher</a>, <a href="/search/nucl-ex?searchtype=author&query=Park%2C+J">J. Park</a>, <a href="/search/nucl-ex?searchtype=author&query=Perea%2C+A">A. Perea</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietras%2C+B">B. Pietras</a>, <a href="/search/nucl-ex?searchtype=author&query=Ponnath%2C+L">L. Ponnath</a>, <a href="/search/nucl-ex?searchtype=author&query=Rhee%2C+H+-">H. -B. Rhee</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-S%C3%A1nchez%2C+J+L">J. L. Rodr铆guez-S谩nchez</a>, <a href="/search/nucl-ex?searchtype=author&query=Suerder%2C+C">C. Suerder</a>, <a href="/search/nucl-ex?searchtype=author&query=Tengblad%2C+O">O. Tengblad</a> , et al. (1 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2003.01485v2-abstract-short" style="display: inline;"> CALIFA is the high efficiency and energy resolution calorimeter for the R3B experiment at FAIR, intended for detecting high energy light charged particles and gamma rays in scattering experiments, and is being commissioned during the Phase-0 experiments at FAIR, between 2018 and 2020. It surrounds the reaction target in a segmented configuration with 2432 detection units made of long CsI(Tl) finge… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.01485v2-abstract-full').style.display = 'inline'; document.getElementById('2003.01485v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2003.01485v2-abstract-full" style="display: none;"> CALIFA is the high efficiency and energy resolution calorimeter for the R3B experiment at FAIR, intended for detecting high energy light charged particles and gamma rays in scattering experiments, and is being commissioned during the Phase-0 experiments at FAIR, between 2018 and 2020. It surrounds the reaction target in a segmented configuration with 2432 detection units made of long CsI(Tl) finger-shaped scintillator crystals. CALIFA has a 10 year intended operational lifetime as the R3B calorimeter, necessitating measures to be taken to ensure enduring performance. In this paper we present a systematic study of two groups of 6 different detection units of the CALIFA detector after more than four years of operation. The energy resolution and light output yield are evaluated under different conditions. Tests cover the aging of the first detector units assembled and investigates recovery procedures for degraded detection units. A possible reason for the observed degradation is given, pointing to the crystal-APD coupling. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.01485v2-abstract-full').style.display = 'none'; document.getElementById('2003.01485v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 March, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 March, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nuclear Instruments and Methods in Physics Research A, 965 (2020) 163845 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1905.08154">arXiv:1905.08154</a> <span> [<a href="https://arxiv.org/pdf/1905.08154">pdf</a>, <a href="https://arxiv.org/ps/1905.08154">ps</a>, <a href="https://arxiv.org/format/1905.08154">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.123.092502">10.1103/PhysRevLett.123.092502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Towards the Limits of Existence of Nuclear Structure: Observation and First spectroscopy of the Isotope $^{31}$K by measuring its three-proton Decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Kostyleva%2C+D">D. Kostyleva</a>, <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chudoba%2C+V">V. Chudoba</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciemny%2C+A+A">A. A. Ciemny</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Due%C3%B1as%2C+J+A">J. A. Due帽as</a>, <a href="/search/nucl-ex?searchtype=author&query=Dunin%2C+V">V. Dunin</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrad%C3%A9%2C+A">A. Estrad茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Marquinez-Dur%C3%A1n%2C+G">G. Marquinez-Dur谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a> , et al. (23 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1905.08154v1-abstract-short" style="display: inline;"> The most-remote from stability isotope $^{31}$K, which is located four atomic mass units beyond the proton drip line, has been observed. It is unbound in respect to three-proton (${3p}$) emission, and its decays have been detected in flight by measuring trajectories of all decay products using micro-strip detectors. The $3p$-emission processes have been studied by means of angular correlations… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1905.08154v1-abstract-full').style.display = 'inline'; document.getElementById('1905.08154v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1905.08154v1-abstract-full" style="display: none;"> The most-remote from stability isotope $^{31}$K, which is located four atomic mass units beyond the proton drip line, has been observed. It is unbound in respect to three-proton (${3p}$) emission, and its decays have been detected in flight by measuring trajectories of all decay products using micro-strip detectors. The $3p$-emission processes have been studied by means of angular correlations $^{28}$S+3$p$ and the respective decay vertexes. The energies of the previously-unknown ground and excited states of $^{31}$K have been determined. This provides its $3p$ separation-energy value $S_{3p}$ of $-4.6(2)$ MeV. Upper half-life limits of 10 ps of the observed $^{31}$K states have been derived from distributions of the measured decay vertexes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1905.08154v1-abstract-full').style.display = 'none'; document.getElementById('1905.08154v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 May, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 123, 092502 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.01887">arXiv:1804.01887</a> <span> [<a href="https://arxiv.org/pdf/1804.01887">pdf</a>, <a href="https://arxiv.org/ps/1804.01887">ps</a>, <a href="https://arxiv.org/format/1804.01887">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.98.064309">10.1103/PhysRevC.98.064309 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Deep excursion beyond the proton dripline. II. Toward the limits of existence of nuclear structure </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Kostyleva%2C+D">D. Kostyleva</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C. Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chudoba%2C+V">V. Chudoba</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciemny%2C+A+A">A. A. Ciemny</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Due%C3%B1as%2C+J+A">J. A. Due帽as</a>, <a href="/search/nucl-ex?searchtype=author&query=Dunin%2C+V">V. Dunin</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrad%C3%A9%2C+A">A. Estrad茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Marquinez-Dur%C3%A1n%2C+G">G. Marquinez-Dur谩n</a> , et al. (25 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1804.01887v5-abstract-short" style="display: inline;"> Prospects of experimental studies of argon and chlorine isotopes located far beyond the proton dripline are studied by using systematics and cluster models. The deviations from the widespread systematics observed in $^{28,29}$Cl and $^{29,30}$Ar have been theoretically substantiated, and analogous deviations predicted for the lighter chlorine and argon isotopes. The limits of nuclear structure exi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.01887v5-abstract-full').style.display = 'inline'; document.getElementById('1804.01887v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.01887v5-abstract-full" style="display: none;"> Prospects of experimental studies of argon and chlorine isotopes located far beyond the proton dripline are studied by using systematics and cluster models. The deviations from the widespread systematics observed in $^{28,29}$Cl and $^{29,30}$Ar have been theoretically substantiated, and analogous deviations predicted for the lighter chlorine and argon isotopes. The limits of nuclear structure existence are predicted for Ar and Cl isotopic chains, with $^{26}$Ar and $^{25}$Cl found to be the lightest sufficiently long-living nuclear systems. By simultaneous measurements of protons and $纬$-rays following decays of such systems as well as their $尾$-delayed emission, an interesting synergy effect may be achieved, which is demonstrated by the example of $^{30}$Cl and $^{31}$Ar ground state studies. Such synergy effect may be provided by the new EXPERT setup (EXotic Particle Emission and Radioactivity by Tracking), being operated inside the fragment separator and spectrometer facility at GSI, Darmstadt. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.01887v5-abstract-full').style.display = 'none'; document.getElementById('1804.01887v5-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 9 figures. Chapter added, language and some figures corrected</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 98, 064309 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.10951">arXiv:1803.10951</a> <span> [<a href="https://arxiv.org/pdf/1803.10951">pdf</a>, <a href="https://arxiv.org/ps/1803.10951">ps</a>, <a href="https://arxiv.org/format/1803.10951">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.98.064308">10.1103/PhysRevC.98.064308 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Deep excursion beyond the proton dripline. I. Argon and chlorine isotope chains </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kostyleva%2C+D">D. Kostyleva</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciemny%2C+A+A">A. A. Ciemny</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Due%C3%B1as%2C+J+A">J. A. Due帽as</a>, <a href="/search/nucl-ex?searchtype=author&query=Dunin%2C+V">V. Dunin</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrad%C3%A9%2C+A">A. Estrad茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Marquinez-Dur%C3%A1n%2C+G">G. Marquinez-Dur谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a>, <a href="/search/nucl-ex?searchtype=author&query=Mazzocchi%2C+C">C. Mazzocchi</a> , et al. (23 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1803.10951v5-abstract-short" style="display: inline;"> The proton-unbound argon and chlorine isotopes have been studied by measuring trajectories of their decay-in-flight products by using a tracking technique with micro-strip detectors. The proton ($1p$) and two-proton ($2p$) emission processes have been detected in the measured angular correlations "heavy-fragment"+$p$ and "heavy-fragment"+$p$+$p$, respectively. The ground states of the previously u… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.10951v5-abstract-full').style.display = 'inline'; document.getElementById('1803.10951v5-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.10951v5-abstract-full" style="display: none;"> The proton-unbound argon and chlorine isotopes have been studied by measuring trajectories of their decay-in-flight products by using a tracking technique with micro-strip detectors. The proton ($1p$) and two-proton ($2p$) emission processes have been detected in the measured angular correlations "heavy-fragment"+$p$ and "heavy-fragment"+$p$+$p$, respectively. The ground states of the previously unknown isotopes $^{30}$Cl and $^{28}$Cl have been observed for the first time, providing the $1p$-separation energies $S_p$ of $-0.48(2)$ and $-1.60(8)$ MeV, respectively. The relevant systematics of $1p$ and $2p$ separations energies have been studied theoretically in the core+$p$ and core+$p$+$p$ cluster models. The first-time observed excited states of $^{31}$Ar allow to infer the $2p$-separation energy $S_{2p}$ of 6(34) keV for its ground state. The first-time observed state in $^{29}$Ar with $S_{2p} = -5.50(18)$ MeV can be identified either as a ground or an excited state according to different systematics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.10951v5-abstract-full').style.display = 'none'; document.getElementById('1803.10951v5-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 14 figures. Name changed, some affiliations changed and figures corrections added</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 98, 064308 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.04777">arXiv:1803.04777</a> <span> [<a href="https://arxiv.org/pdf/1803.04777">pdf</a>, <a href="https://arxiv.org/ps/1803.04777">ps</a>, <a href="https://arxiv.org/format/1803.04777">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.152504">10.1103/PhysRevLett.120.152504 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Strong neutron pairing in core+4n nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Revel%2C+A">A. Revel</a>, <a href="/search/nucl-ex?searchtype=author&query=Marques%2C+F+M">F. M. Marques</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorlin%2C+O">O. Sorlin</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Holl%2C+M">M. Holl</a>, <a href="/search/nucl-ex?searchtype=author&query=Panin%2C+V">V. Panin</a>, <a href="/search/nucl-ex?searchtype=author&query=Vandebrouck%2C+M">M. Vandebrouck</a>, <a href="/search/nucl-ex?searchtype=author&query=Wamers%2C+F">F. Wamers</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">D. Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Boillos%2C+J+M">J. M. Boillos</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a>, <a href="/search/nucl-ex?searchtype=author&query=Chulkov%2C+L">L. Chulkov</a> , et al. (78 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1803.04777v1-abstract-short" style="display: inline;"> The emission of neutron pairs from the neutron-rich $N\!=\!12$ isotones $^{18}$C and $^{20}$O has been studied by high-energy nucleon knockout from $^{19}$N and $^{21}$O secondary beams, populating unbound states of the two isotones up to 15~MeV above their two-neutron emission thresholds. The analysis of triple fragment-$n$-$n$ correlations shows that the decay $^{19}$N$(-1p)^{18}$C… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.04777v1-abstract-full').style.display = 'inline'; document.getElementById('1803.04777v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.04777v1-abstract-full" style="display: none;"> The emission of neutron pairs from the neutron-rich $N\!=\!12$ isotones $^{18}$C and $^{20}$O has been studied by high-energy nucleon knockout from $^{19}$N and $^{21}$O secondary beams, populating unbound states of the two isotones up to 15~MeV above their two-neutron emission thresholds. The analysis of triple fragment-$n$-$n$ correlations shows that the decay $^{19}$N$(-1p)^{18}$C$^*\!\rightarrow^{16}$C+$n$+$n$ is clearly dominated by direct pair emission. The two-neutron correlation strength, the largest ever observed, suggests the predominance of a $^{14}$C core surrounded by four valence neutrons arranged in strongly correlated pairs. On the other hand, a significant competition of a sequential branch is found in the decay $^{21}$O$(-1n)^{20}$O$^*\!\rightarrow^{18}$O+$n$+$n$, attributed to its formation through the knockout of a deeply-bound neutron that breaks the $^{16}$O core and reduces the number of pairs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.04777v1-abstract-full').style.display = 'none'; document.getElementById('1803.04777v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 4 figures, accepted for publication in Phys. Rev. Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 152504 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.05501">arXiv:1710.05501</a> <span> [<a href="https://arxiv.org/pdf/1710.05501">pdf</a>, <a href="https://arxiv.org/ps/1710.05501">ps</a>, <a href="https://arxiv.org/format/1710.05501">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.97.034305">10.1103/PhysRevC.97.034305 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Spectroscopy of excited states of unbound nuclei $^{30}$Ar and $^{29}$Cl </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+X+-">X. -D. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L+V">L. V. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheidenberger%2C+C">C. Scheidenberger</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chudoba%2C+V">V. Chudoba</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciemny%2C+A+A">A. A. Ciemny</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Du%C3%A9nas-D%C3%ADaz%2C+J">J. Du茅nas-D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Dunin%2C+V">V. Dunin</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrad%C3%A9%2C+A">A. Estrad茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Golubkova%2C+T+A">T. A. Golubkova</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a> , et al. (23 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1710.05501v1-abstract-short" style="display: inline;"> Several states of proton-unbound isotopes $^{30}$Ar and $^{29}$Cl were investigated by measuring their in-flight decay products, $^{28}$S+proton+proton and $^{28}$S+proton, respectively. A refined analysis of $^{28}$S-proton angular correlations indicates that the ground state of $^{30}$Ar is located at $2.45^{+0.05}_{-0.10}$ MeV above the two-proton emission threshold. The theoretical investigati… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.05501v1-abstract-full').style.display = 'inline'; document.getElementById('1710.05501v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.05501v1-abstract-full" style="display: none;"> Several states of proton-unbound isotopes $^{30}$Ar and $^{29}$Cl were investigated by measuring their in-flight decay products, $^{28}$S+proton+proton and $^{28}$S+proton, respectively. A refined analysis of $^{28}$S-proton angular correlations indicates that the ground state of $^{30}$Ar is located at $2.45^{+0.05}_{-0.10}$ MeV above the two-proton emission threshold. The theoretical investigation of the $^{30}$Ar ground state decay demonstrates that its mechanism has the transition dynamics with a surprisingly strong sensitivity of the correlation patterns of the decay products to the two-proton decay energy of the $^{30}$Ar ground state and the one-proton decay energy as well as the one-proton decay width of the $^{29}$Cl ground state. The comparison of the experimental $^{28}$S-proton angular correlations with those resulting from Monte Carlo simulations of the detector response illustrates that other observed $^{30}$Ar excited states decay by sequential emission of protons via intermediate resonances in $^{29}$Cl. Based on the findings, the decay schemes of the observed states in $^{30}$Ar and $^{29}$Cl were constructed. For calibration purposes and for checking the performance of the experimental setup, decays of the previously-known states of a two-proton emitter $^{19}$Mg were remeasured. Evidences for one new excited state in $^{19}$Mg and two unknown states in $^{18}$Na were found. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.05501v1-abstract-full').style.display = 'none'; document.getElementById('1710.05501v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 16 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 97, 034305 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1707.07995">arXiv:1707.07995</a> <span> [<a href="https://arxiv.org/pdf/1707.07995">pdf</a>, <a href="https://arxiv.org/format/1707.07995">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.96.054305">10.1103/PhysRevC.96.054305 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Effective proton-neutron interaction near the drip line from unbound states in $^{25,26}$F </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Vandebrouck%2C+M">M. Vandebrouck</a>, <a href="/search/nucl-ex?searchtype=author&query=Lepailleur%2C+A">A. Lepailleur</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorlin%2C+O">O. Sorlin</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Holl%2C+M">M. Holl</a>, <a href="/search/nucl-ex?searchtype=author&query=Panin%2C+V">V. Panin</a>, <a href="/search/nucl-ex?searchtype=author&query=Wamers%2C+F">F. Wamers</a>, <a href="/search/nucl-ex?searchtype=author&query=Stroberg%2C+S+R">S. R. Stroberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Holt%2C+J+D">J. D. Holt</a>, <a href="/search/nucl-ex?searchtype=author&query=Santos%2C+F+D+O">F. De Oliveira Santos</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">D. Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Bogner%2C+S+K">S. K. Bogner</a>, <a href="/search/nucl-ex?searchtype=author&query=Boillos%2C+J+M">J. M. Boillos</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">W. Catford</a> , et al. (85 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1707.07995v1-abstract-short" style="display: inline;"> Background: Odd-odd nuclei, around doubly closed shells, have been extensively used to study proton-neutron interactions. However, the evolution of these interactions as a function of the binding energy, ultimately when nuclei become unbound, is poorly known. The $^{26}$F nucleus, composed of a deeply bound $\pi0d\_{5/2}$ proton and an unbound $\nu0d\_{3/2}$ neutron on top of an $^{24}$O core, is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.07995v1-abstract-full').style.display = 'inline'; document.getElementById('1707.07995v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1707.07995v1-abstract-full" style="display: none;"> Background: Odd-odd nuclei, around doubly closed shells, have been extensively used to study proton-neutron interactions. However, the evolution of these interactions as a function of the binding energy, ultimately when nuclei become unbound, is poorly known. The $^{26}$F nucleus, composed of a deeply bound $\pi0d\_{5/2}$ proton and an unbound $\nu0d\_{3/2}$ neutron on top of an $^{24}$O core, is particularly adapted for this purpose. The coupling of this proton and neutron results in a $J^蟺 = 1^{+}\_1 - 4^{+}\_1$ multiplet, whose energies must be determined to study the influence of the proximity of the continuum on the corresponding proton-neutron interaction. The $J^蟺 = 1^{+}\_1, 2^{+}\_1,4^{+}\_1$ bound states have been determined, and only a clear identification of the $J^蟺 =3^{+}\_1$ is missing.Purpose: We wish to complete the study of the $J^蟺 = 1^{+}\_1 - 4^{+}\_1$ multiplet in $^{26}$F, by studying the energy and width of the $J^蟺 =3^{+}\_1$ unbound state. The method was firstly validated by the study of unbound states in $^{25}$F, for which resonances were already observed in a previous experiment.Method: Radioactive beams of $^{26}$Ne and $^{27}$Ne, produced at about $440A$\,MeV by the FRagment Separator at the GSI facility, were used to populate unbound states in $^{25}$F and $^{26}$F via one-proton knockout reactions on a CH$\_2$ target, located at the object focal point of the R$^3$B/LAND setup. The detection of emitted $纬$-rays and neutrons, added to the reconstruction of the momentum vector of the $A-1$ nuclei, allowed the determination of the energy of three unbound states in $^{25}$F and two in $^{26}$F. Results: Based on its width and decay properties, the first unbound state in $^{25}$F is proposed to be a $J^蟺 = 1/2^-$ arising from a $p\_{1/2}$ proton-hole state. In $^{26}$F, the first resonance at 323(33)~keV is proposed to be the $J^蟺 =3^{+}\_1$ member of the $J^蟺 = 1^{+}\_1 - 4^{+}\_1$ multiplet. Energies of observed states in $^{25,26}$F have been compared to calculations using the independent-particle shell model, a phenomenological shell-model, and the ab initio valence-space in-medium similarity renormalization group method.Conclusions: The deduced effective proton-neutron interaction is weakened by about 30-40\% in comparison to the models, pointing to the need of implementing the role of the continuum in theoretical descriptions, or to a wrong determination of the atomic mass of $^{26}$F. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.07995v1-abstract-full').style.display = 'none'; document.getElementById('1707.07995v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 7 figures, 3 tables, submitted to PRC</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 96, 054305 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.00201">arXiv:1606.00201</a> <span> [<a href="https://arxiv.org/pdf/1606.00201">pdf</a>, <a href="https://arxiv.org/ps/1606.00201">ps</a>, <a href="https://arxiv.org/format/1606.00201">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.065807">10.1103/PhysRevC.93.065807 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Coulomb dissociation of $^{20,21}$N </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=R%C3%B6der%2C+M">Marko R枚der</a>, <a href="/search/nucl-ex?searchtype=author&query=Adachi%2C+T">Tatsuya Adachi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksyutina%2C+Y">Yulia Aksyutina</a>, <a href="/search/nucl-ex?searchtype=author&query=Alcantara%2C+J">Juan Alcantara</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">Sebastian Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">Hector Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashwood%2C+N">Nicholas Ashwood</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">Leyla Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">Thomas Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">Vladimir Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+M">M. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro%2C+S">Saul Beceiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">Daniel Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">Jose Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C">Carlos Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">Konstanze Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">Maria J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Burgunder%2C+G">G. Burgunder</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">Manuel Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">Christoph Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">Enrique Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">Wilton Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederkall%2C+J">Joakim Cederkall</a>, <a href="/search/nucl-ex?searchtype=author&query=Chakraborty%2C+S">S. Chakraborty</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">Marielle Chartier</a> , et al. (98 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1606.00201v1-abstract-short" style="display: inline;"> Neutron-rich light nuclei and their reactions play an important role for the creation of chemical elements. Here, data from a Coulomb dissociation experiment on $^{20,21}$N are reported. Relativistic $^{20,21}$N ions impinged on a lead target and the Coulomb dissociation cross section was determined in a kinematically complete experiment. Using the detailed balance theorem, the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00201v1-abstract-full').style.display = 'inline'; document.getElementById('1606.00201v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.00201v1-abstract-full" style="display: none;"> Neutron-rich light nuclei and their reactions play an important role for the creation of chemical elements. Here, data from a Coulomb dissociation experiment on $^{20,21}$N are reported. Relativistic $^{20,21}$N ions impinged on a lead target and the Coulomb dissociation cross section was determined in a kinematically complete experiment. Using the detailed balance theorem, the $^{19}\mathrm{N}(\mathrm{n},纬)^{20}\mathrm{N}$ and $^{20}\mathrm{N}(\mathrm{n},纬)^{21}\mathrm{N}$ excitation functions and thermonuclear reaction rates have been determined. The $^{19}\mathrm{N}(\mathrm{n},纬)^{20}\mathrm{N}$ rate is up to a factor of 5 higher at $T<1$\,GK with respect to previous theoretical calculations, leading to a 10\,\% decrease in the predicted fluorine abundance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00201v1-abstract-full').style.display = 'none'; document.getElementById('1606.00201v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 065807 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1604.05832">arXiv:1604.05832</a> <span> [<a href="https://arxiv.org/pdf/1604.05832">pdf</a>, <a href="https://arxiv.org/format/1604.05832">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.95.014613">10.1103/PhysRevC.95.014613 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Determination of the Neutron-Capture Rate of 17C for the R-process Nucleosynthesis </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Heine%2C+M">M. Heine</a>, <a href="/search/nucl-ex?searchtype=author&query=Typel%2C+S">S. Typel</a>, <a href="/search/nucl-ex?searchtype=author&query=Wu%2C+M+-">M. -R. Wu</a>, <a href="/search/nucl-ex?searchtype=author&query=Adachi%2C+T">T. Adachi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksyutina%2C+Y">Y. Aksyutina</a>, <a href="/search/nucl-ex?searchtype=author&query=Alcantara%2C+J">J. Alcantara</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashwood%2C+N">N. Ashwood</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+M">M. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">D. Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Burgunder%2C+G">G. Burgunder</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">W. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chakraborty%2C+S">S. Chakraborty</a> , et al. (102 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1604.05832v1-abstract-short" style="display: inline;"> With the R$^{3}$B-LAND setup at GSI we have measured exclusive relative-energy spectra of the Coulomb dissociation of $^{18}$C at a projectile energy around 425~AMeV on a lead target, which are needed to determine the radiative neutron-capture cross sections of $^{17}$C into the ground state of $^{18}$C. Those data have been used to constrain theoretical calculations for transitions populating exc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.05832v1-abstract-full').style.display = 'inline'; document.getElementById('1604.05832v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1604.05832v1-abstract-full" style="display: none;"> With the R$^{3}$B-LAND setup at GSI we have measured exclusive relative-energy spectra of the Coulomb dissociation of $^{18}$C at a projectile energy around 425~AMeV on a lead target, which are needed to determine the radiative neutron-capture cross sections of $^{17}$C into the ground state of $^{18}$C. Those data have been used to constrain theoretical calculations for transitions populating excited states in $^{18}$C. This allowed to derive the astrophysical cross section $蟽^{*}_{\mathrm{n}纬}$ accounting for the thermal population of $^{17}$C target states in astrophysical scenarios. The experimentally verified capture rate is significantly lower than those of previously obtained Hauser-Feshbach estimations at temperatures $T_{9}\leq{}1$~GK. Network simulations with updated neutron-capture rates and hydrodynamics according to the neutrino-driven wind model as well as the neutron-star merger scenario reveal no pronounced influence of neutron capture of $^{17}$C on the production of second- and third-peak elements in contrast to earlier sensitivity studies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1604.05832v1-abstract-full').style.display = 'none'; document.getElementById('1604.05832v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 95, 014613 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1603.00323">arXiv:1603.00323</a> <span> [<a href="https://arxiv.org/pdf/1603.00323">pdf</a>, <a href="https://arxiv.org/format/1603.00323">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.054601">10.1103/PhysRevC.93.054601 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Thies%2C+R">R. Thies</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Adachi%2C+T">T. Adachi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksyutina%2C+Y">Y. Aksyutina</a>, <a href="/search/nucl-ex?searchtype=author&query=Alcantara-N%C3%BA%C3%B1es%2C+J">J. Alcantara-N煤帽es</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashwood%2C+N">N. Ashwood</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+M">M. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro-Novo%2C+S">S. Beceiro-Novo</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">D. Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Burgunder%2C+G">G. Burgunder</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">W. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chakraborty%2C+S">S. Chakraborty</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a> , et al. (97 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1603.00323v2-abstract-short" style="display: inline;"> Background: Models describing nuclear fragmentation and fragmentation-fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked against data from stable beam experiments. In the future, two-step fragmentation reactions with exotic nuclei as stepping stones are a promising tool to reach the most neutron-… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.00323v2-abstract-full').style.display = 'inline'; document.getElementById('1603.00323v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1603.00323v2-abstract-full" style="display: none;"> Background: Models describing nuclear fragmentation and fragmentation-fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked against data from stable beam experiments. In the future, two-step fragmentation reactions with exotic nuclei as stepping stones are a promising tool to reach the most neutron-rich nuclei, creating a need for models to describe also these reactions. Purpose: We want to extend the presently available data on fragmentation reactions towards the light exotic region on the nuclear chart. Furthermore, we want to improve the understanding of projectile fragmentation especially for unstable isotopes. Method: We have measured projectile fragments from 10,12-18C and 10-15B isotopes colliding with a carbon target. These measurements were all performed within one experiment, which gives rise to a very consistent dataset. We compare our data to model calculations. Results: One-proton removal cross sections with different final neutron numbers (1pxn) for relativistic 10,12-18C and 10-15B isotopes impinging on a carbon target. Comparing model calculations to the data, we find that EPAX is not able to describe the data satisfactorily. Using ABRABLA07 on the other hand, we find that the average excitation energy per abraded nucleon needs to be decreased from 27 MeV to 8.1 MeV. With that decrease ABRABLA07 describes the data surprisingly well. Conclusions: Extending the available data towards light unstable nuclei with a consistent set of new data have allowed for a systematic investigation of the role of the excitation energy induced in projectile fragmentation. Most striking is the apparent mass dependence of the average excitation energy per abraded nucleon. Nevertheless, this parameter, which has been related to final-state interactions, requires further study. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.00323v2-abstract-full').style.display = 'none'; document.getElementById('1603.00323v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 054601 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1507.04170">arXiv:1507.04170</a> <span> [<a href="https://arxiv.org/pdf/1507.04170">pdf</a>, <a href="https://arxiv.org/ps/1507.04170">ps</a>, <a href="https://arxiv.org/format/1507.04170">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.92.034606">10.1103/PhysRevC.92.034606 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of the scission point from fission-fragment velocities </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaune%2C+O">O. Delaune</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacri%2C+C+-">C. -O. Bacri</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Derkx%2C+X">X. Derkx</a>, <a href="/search/nucl-ex?searchtype=author&query=Fern%C3%A1ndez-Dom%C3%ADnguez%2C+B">B. Fern谩ndez-Dom铆nguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaudefroy%2C+L">L. Gaudefroy</a>, <a href="/search/nucl-ex?searchtype=author&query=Golabek%2C+C">C. Golabek</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Ramos%2C+D">D. Ramos</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-Tajes%2C+C">C. Rodr铆guez-Tajes</a>, <a href="/search/nucl-ex?searchtype=author&query=Roger%2C+T">T. Roger</a>, <a href="/search/nucl-ex?searchtype=author&query=Shrivastava%2C+A">A. Shrivastava</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1507.04170v1-abstract-short" style="display: inline;"> The isotopic-yield distributions and kinematic properties of fragments produced in transfer-induced fission of 240Pu and fusion-induced fission of 250Cf, with 9 MeV and 45 MeV of excitation energy respectively, were measured in inverse kinematics with the spectrometer VAMOS. The kinematic properties of identified fission fragments allow to derive properties of the scission configuration such as th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.04170v1-abstract-full').style.display = 'inline'; document.getElementById('1507.04170v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1507.04170v1-abstract-full" style="display: none;"> The isotopic-yield distributions and kinematic properties of fragments produced in transfer-induced fission of 240Pu and fusion-induced fission of 250Cf, with 9 MeV and 45 MeV of excitation energy respectively, were measured in inverse kinematics with the spectrometer VAMOS. The kinematic properties of identified fission fragments allow to derive properties of the scission configuration such as the distance between fragments, the total kinetic energy, the neutron multiplicity, the total excitation energy, and, for the first time, the proton- and neutron-number sharing during the emergence of the fragments. These properties of the scission point are studied as functions of the fragment atomic number. The correlation between these observables, gathered in one single experiment and for two different fissioning systems at different excitation energies, give valuable information for the understanding and modeling of the fission process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.04170v1-abstract-full').style.display = 'none'; document.getElementById('1507.04170v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 July, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 8 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.07990">arXiv:1505.07990</a> <span> [<a href="https://arxiv.org/pdf/1505.07990">pdf</a>, <a href="https://arxiv.org/format/1505.07990">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.91.064309">10.1103/PhysRevC.91.064309 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> \b{eta}-delayed three-proton decay of 31Ar </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Lis%2C+A+A">A. A. Lis</a>, <a href="/search/nucl-ex?searchtype=author&query=Mazzocchi%2C+C">C. Mazzocchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Dominik%2C+W">W. Dominik</a>, <a href="/search/nucl-ex?searchtype=author&query=Janas%2C+Z">Z. Janas</a>, <a href="/search/nucl-ex?searchtype=author&query=Pf%C3%BCtzner%2C+M">M. Pf眉tzner</a>, <a href="/search/nucl-ex?searchtype=author&query=Pomorski%2C+M">M. Pomorski</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Baraeva%2C+S">S. Baraeva</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Du%C3%A9nas-D%C3%ADaz%2C+J">J. Du茅nas-D铆az</a>, <a href="/search/nucl-ex?searchtype=author&query=Dunin%2C+V">V. Dunin</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J+M">J. M. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Estrade%2C+A">A. Estrade</a>, <a href="/search/nucl-ex?searchtype=author&query=Farinon%2C+F">F. Farinon</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorshkov%2C+A">A. Gorshkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Kami%C5%84ski%2C+G">G. Kami艅ski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Kn%C3%B6bel%2C+R">R. Kn枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Krupko%2C+S">S. Krupko</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuich%2C+M">M. Kuich</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y+A">Yu. A. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Marquinez-Dur%C3%A1n%2C+G">G. Marquinez-Dur谩n</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a> , et al. (16 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1505.07990v1-abstract-short" style="display: inline;"> The beta decay of 31Ar, produced by fragmentation of a 36Ar beam at 880 MeV/nucleon, was investigated. Identified ions of 31Ar were stopped in a gaseous time projection chamber with optical readout allowing to record decay events with emission of protons. In addition to \b{eta}-delayed emission of one and two protons we have clearly observed the beta-delayed three-proton branch. The branching rati… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.07990v1-abstract-full').style.display = 'inline'; document.getElementById('1505.07990v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.07990v1-abstract-full" style="display: none;"> The beta decay of 31Ar, produced by fragmentation of a 36Ar beam at 880 MeV/nucleon, was investigated. Identified ions of 31Ar were stopped in a gaseous time projection chamber with optical readout allowing to record decay events with emission of protons. In addition to \b{eta}-delayed emission of one and two protons we have clearly observed the beta-delayed three-proton branch. The branching ratio for this channel in 31Ar is found to be 0.07(2)%. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.07990v1-abstract-full').style.display = 'none'; document.getElementById('1505.07990v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 3 figures, submitted to Physical Rev. C</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1312.6376">arXiv:1312.6376</a> <span> [<a href="https://arxiv.org/pdf/1312.6376">pdf</a>, <a href="https://arxiv.org/ps/1312.6376">ps</a>, <a href="https://arxiv.org/format/1312.6376">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.89.024614">10.1103/PhysRevC.89.024614 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transfer reactions in inverse kinematics, an experimental approach for fission investigations </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez-Tajes%2C+C">C. Rodr铆guez-Tajes</a>, <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Derkx%2C+X">X. Derkx</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaune%2C+O">O. Delaune</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Roger%2C+T">T. Roger</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina%2C+D">D. Cortina</a>, <a href="/search/nucl-ex?searchtype=author&query=Dor%C3%A9%2C+D">D. Dor茅</a>, <a href="/search/nucl-ex?searchtype=author&query=Fern%C3%A1ndez-Dom%C3%ADnguez%2C+B">B. Fern谩ndez-Dom铆nguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Jacquot%2C+B">B. Jacquot</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+1+B">1 B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Navin%2C+A">A. Navin</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C. Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=Ramos%2C+D">D. Ramos</a>, <a href="/search/nucl-ex?searchtype=author&query=Romain%2C+P">P. Romain</a>, <a href="/search/nucl-ex?searchtype=author&query=Salsac%2C+M+D">M. D. Salsac</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1312.6376v1-abstract-short" style="display: inline;"> Inelastic and multi-nucleon transfer reactions between a $^{238}$U beam, accelerated at 6.14 MeV/u, and a $^{12}$C target were used for the production of neutron-rich, fissioning systems from U to Cm. A Si telescope, devoted to the detection of the target-like nuclei, provided a characterization of the fissioning systems in atomic and mass numbers, as well as in excitation energy. Cross-sections,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.6376v1-abstract-full').style.display = 'inline'; document.getElementById('1312.6376v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1312.6376v1-abstract-full" style="display: none;"> Inelastic and multi-nucleon transfer reactions between a $^{238}$U beam, accelerated at 6.14 MeV/u, and a $^{12}$C target were used for the production of neutron-rich, fissioning systems from U to Cm. A Si telescope, devoted to the detection of the target-like nuclei, provided a characterization of the fissioning systems in atomic and mass numbers, as well as in excitation energy. Cross-sections, angular and excitation-energy distributions were measured for the inelastic and transfer channels. Possible excitations of the target-like nuclei were experimentally investigated for the first time, by means of g -ray measurements. The decays from the first excited states of $^{12}$C, $^{11}$B and $^{10}$Be were observed with probabilities of 0.12 - 0.14, while no evidence for the population of higher-lying states was found. Moreover, the fission probabilities of $^{238}$U, $^{239}$Np and $^{240,241,242}$Pu and $^{244}$Cm were determined as a function of the excitation energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.6376v1-abstract-full').style.display = 'none'; document.getElementById('1312.6376v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 12 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1310.2165">arXiv:1310.2165</a> <span> [<a href="https://arxiv.org/pdf/1310.2165">pdf</a>, <a href="https://arxiv.org/format/1310.2165">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Measurement of the 92,93,94,100Mo(g,n) reactions by Coulomb Dissociation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=G%C3%B6bel%2C+K">K. G枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Adrich%2C+P">P. Adrich</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksouh%2C+F">F. Aksouh</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Babilon%2C+M">M. Babilon</a>, <a href="/search/nucl-ex?searchtype=author&query=Behr%2C+K">K-H. Behr</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Berg%2C+T">T. Berg</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%B6hmer%2C+M">M. B枚hmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Br%C3%BCnle%2C+A">A. Br眉nle</a>, <a href="/search/nucl-ex?searchtype=author&query=Beyer%2C+R">R. Beyer</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Pramanik%2C+U+D">U. Datta. Pramanik</a>, <a href="/search/nucl-ex?searchtype=author&query=Deveaux%2C+L">L. Deveaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Elvers%2C+M">M. Elvers</a>, <a href="/search/nucl-ex?searchtype=author&query=Elze%2C+T+W">T. W. Elze</a>, <a href="/search/nucl-ex?searchtype=author&query=Emling%2C+H">H. Emling</a>, <a href="/search/nucl-ex?searchtype=author&query=Erhard%2C+M">M. Erhard</a>, <a href="/search/nucl-ex?searchtype=author&query=Ershova%2C+O">O. Ershova</a> , et al. (48 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1310.2165v1-abstract-short" style="display: inline;"> The Coulomb Dissociation (CD) cross sections of the stable isotopes 92,94,100Mo and of the unstable isotope 93Mo were measured at the LAND/R3B setup at GSI Helmholtzzentrum f眉r Schwerionenforschung in Darmstadt, Germany. Experimental data on these isotopes may help to explain the problem of the underproduction of 92,94Mo and 96,98Ru in the models of p-process nucleosynthesis. The CD cross sections… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.2165v1-abstract-full').style.display = 'inline'; document.getElementById('1310.2165v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1310.2165v1-abstract-full" style="display: none;"> The Coulomb Dissociation (CD) cross sections of the stable isotopes 92,94,100Mo and of the unstable isotope 93Mo were measured at the LAND/R3B setup at GSI Helmholtzzentrum f眉r Schwerionenforschung in Darmstadt, Germany. Experimental data on these isotopes may help to explain the problem of the underproduction of 92,94Mo and 96,98Ru in the models of p-process nucleosynthesis. The CD cross sections obtained for the stable Mo isotopes are in good agreement with experiments performed with real photons, thus validating the method of Coulomb Dissociation. The result for the reaction 93Mo(g,n) is especially important since the corresponding cross section has not been measured before. A preliminary integral Coulomb Dissociation cross section of the 94Mo(g,n) reaction is presented. Further analysis will complete the experimental database for the (g,n) production chain of the p-isotopes of molybdenum. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.2165v1-abstract-full').style.display = 'none'; document.getElementById('1310.2165v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 October, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Talk given at the Conference Nuclear Physice in Astrophysics VI (NPA6), Lisbon, Portugal, May 19-24 2013. To appear in the NPA6 Proceedings in Journal of Physics: Conference Series (JPCS). 6 pages, 6 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1310.1632">arXiv:1310.1632</a> <span> [<a href="https://arxiv.org/pdf/1310.1632">pdf</a>, <a href="https://arxiv.org/format/1310.1632">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/665/1/012044">10.1088/1742-6596/665/1/012044 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nuclear astrophysics with radioactive ions at FAIR </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Reifarth%2C+R">R. Reifarth</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B6bel%2C+K">K. G枚bel</a>, <a href="/search/nucl-ex?searchtype=author&query=Heftrich%2C+T">T. Heftrich</a>, <a href="/search/nucl-ex?searchtype=author&query=Heil%2C+M">M. Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Koloczek%2C+A">A. Koloczek</a>, <a href="/search/nucl-ex?searchtype=author&query=Langer%2C+C">C. Langer</a>, <a href="/search/nucl-ex?searchtype=author&query=Plag%2C+R">R. Plag</a>, <a href="/search/nucl-ex?searchtype=author&query=Pohl%2C+M">M. Pohl</a>, <a href="/search/nucl-ex?searchtype=author&query=Sonnabend%2C+K">K. Sonnabend</a>, <a href="/search/nucl-ex?searchtype=author&query=Weigand%2C+M">M. Weigand</a>, <a href="/search/nucl-ex?searchtype=author&query=Adachi%2C+T">T. Adachi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksouh%2C+F">F. Aksouh</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Khalili%2C+J">J. Al-Khalili</a>, <a href="/search/nucl-ex?searchtype=author&query=AlGarawi%2C+M">M. AlGarawi</a>, <a href="/search/nucl-ex?searchtype=author&query=AlGhamdi%2C+S">S. AlGhamdi</a>, <a href="/search/nucl-ex?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/nucl-ex?searchtype=author&query=Alkhomashi%2C+N">N. Alkhomashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Rodriguez%2C+R">R. Alvarez-Rodriguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Andreev%2C+V">V. Andreev</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrei%2C+B">B. Andrei</a>, <a href="/search/nucl-ex?searchtype=author&query=Atar%2C+L">L. Atar</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a> , et al. (295 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1310.1632v1-abstract-short" style="display: inline;"> The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-process beta-decay chains. These nuclei are attributed to the p and rp process. For all those processes, current research in nuclear astrophysics addresses t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.1632v1-abstract-full').style.display = 'inline'; document.getElementById('1310.1632v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1310.1632v1-abstract-full" style="display: none;"> The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-process beta-decay chains. These nuclei are attributed to the p and rp process. For all those processes, current research in nuclear astrophysics addresses the need for more precise reaction data involving radioactive isotopes. Depending on the particular reaction, direct or inverse kinematics, forward or time-reversed direction are investigated to determine or at least to constrain the desired reaction cross sections. The Facility for Antiproton and Ion Research (FAIR) will offer unique, unprecedented opportunities to investigate many of the important reactions. The high yield of radioactive isotopes, even far away from the valley of stability, allows the investigation of isotopes involved in processes as exotic as the r or rp processes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.1632v1-abstract-full').style.display = 'none'; document.getElementById('1310.1632v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 October, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Invited Talk given at the Conference Nuclear Physice in Astrophysics VI (NPA6), Lisbon, Portugal, May 19-24 2013. To appear in the NPA6 Proceedings in Journal of Physics: Conference Series (JPCS)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Journal of Physics: Conference Series 665 (2016) 012044 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1304.2647">arXiv:1304.2647</a> <span> [<a href="https://arxiv.org/pdf/1304.2647">pdf</a>, <a href="https://arxiv.org/ps/1304.2647">ps</a>, <a href="https://arxiv.org/format/1304.2647">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.88.024605">10.1103/PhysRevC.88.024605 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Isotopic Yield Distributions of Transfer- and Fusion-Induced Fission from 238U+12C Reactions in Inverse Kinematics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaune%2C+O">O. Delaune</a>, <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Derkx%2C+X">X. Derkx</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacri%2C+C+-">C. -O. Bacri</a>, <a href="/search/nucl-ex?searchtype=author&query=Barreau%2C+G">G. Barreau</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chbihi%2C+A">A. Chbihi</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Dominguez%2C+B">B. Fernandez-Dominguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaudefroy%2C+L">L. Gaudefroy</a>, <a href="/search/nucl-ex?searchtype=author&query=Golabek%2C+C">C. Golabek</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Navin%2C+A">A. Navin</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+M">M. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Roger%2C+T">T. Roger</a>, <a href="/search/nucl-ex?searchtype=author&query=Shrivastava%2C+A">A. Shrivastava</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1304.2647v1-abstract-short" style="display: inline;"> A novel method to access the complete identification in atomic number Z and mass A of fragments produced in low-energy fission of actinides is presented. This method, based on the use of multi- nucleon transfer and fusion reactions in inverse kinematics, is applied in this work to reactions between a 238U beam and a 12C target to produce and induce fission of moderately excited actinides. The fiss… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.2647v1-abstract-full').style.display = 'inline'; document.getElementById('1304.2647v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1304.2647v1-abstract-full" style="display: none;"> A novel method to access the complete identification in atomic number Z and mass A of fragments produced in low-energy fission of actinides is presented. This method, based on the use of multi- nucleon transfer and fusion reactions in inverse kinematics, is applied in this work to reactions between a 238U beam and a 12C target to produce and induce fission of moderately excited actinides. The fission fragments are detected and fully identified with the VAMOS spectrometer of GANIL, allowing the measurement of fragment yields of several hundreds of isotopes in a range between A ~ 80 and ~ 160, and from Z ~ 30 to ~ 64. For the first time, complete isotopic yield distributions of fragments from well-defined fissioning systems are available. Together with the precise measurement of the fragment emission angles and velocities, this technique gives further insight into the nuclear-fission process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.2647v1-abstract-full').style.display = 'none'; document.getElementById('1304.2647v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 April, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 21 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1212.4961">arXiv:1212.4961</a> <span> [<a href="https://arxiv.org/pdf/1212.4961">pdf</a>, <a href="https://arxiv.org/ps/1212.4961">ps</a>, <a href="https://arxiv.org/format/1212.4961">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.87.034308">10.1103/PhysRevC.87.034308 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Core-coupled states and split proton-neutron quasi-particle multiplets in 122-126Ag </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Lalkovski%2C+S">S. Lalkovski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruce%2C+A+M">A. M. Bruce</a>, <a href="/search/nucl-ex?searchtype=author&query=Jungclaus%2C+A">A. Jungclaus</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorska%2C+M">M. Gorska</a>, <a href="/search/nucl-ex?searchtype=author&query=Pfutzner%2C+M">M. Pfutzner</a>, <a href="/search/nucl-ex?searchtype=author&query=Caceres%2C+L">L. Caceres</a>, <a href="/search/nucl-ex?searchtype=author&query=Naqvi%2C+F">F. Naqvi</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietri%2C+S">S. Pietri</a>, <a href="/search/nucl-ex?searchtype=author&query=Podolyak%2C+Z">Zs. Podolyak</a>, <a href="/search/nucl-ex?searchtype=author&query=Simpson%2C+G+S">G. S. Simpson</a>, <a href="/search/nucl-ex?searchtype=author&query=Andgren%2C+K">K. Andgren</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+T">T. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Crespi%2C+F+C+L">F. C. L. Crespi</a>, <a href="/search/nucl-ex?searchtype=author&query=Cuenca-Garcia%2C+J+J">J. J. Cuenca-Garcia</a>, <a href="/search/nucl-ex?searchtype=author&query=Cullen%2C+I+J">I. J. Cullen</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacelar%2C+A+M+D">A. M. Denis Bacelar</a>, <a href="/search/nucl-ex?searchtype=author&query=Detistov%2C+P">P. Detistov</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Farrelly%2C+G+F">G. F. Farrelly</a>, <a href="/search/nucl-ex?searchtype=author&query=Garnsworthy%2C+A+B">A. B. Garnsworthy</a> , et al. (38 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1212.4961v1-abstract-short" style="display: inline;"> Neutron-rich silver isotopes were populated in the fragmentation of a 136Xe beam and the relativistic fission of 238U. The fragments were mass analyzed with the GSI Fragment separator and subsequently implanted into a passive stopper. Isomeric transitions were detected by 105 HPGe detectors. Eight isomeric states were observed in 122-126Ag nuclei. The level schemes of 122,123,125Ag were revised an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.4961v1-abstract-full').style.display = 'inline'; document.getElementById('1212.4961v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1212.4961v1-abstract-full" style="display: none;"> Neutron-rich silver isotopes were populated in the fragmentation of a 136Xe beam and the relativistic fission of 238U. The fragments were mass analyzed with the GSI Fragment separator and subsequently implanted into a passive stopper. Isomeric transitions were detected by 105 HPGe detectors. Eight isomeric states were observed in 122-126Ag nuclei. The level schemes of 122,123,125Ag were revised and extended with isomeric transitions being observed for the first time. The excited states in the odd-mass silver isotopes are interpreted as core-coupled states. The isomeric states in the even-mass silver isotopes are discussed in the framework of the proton-neutron split multiplets. The results of shell-model calculations, performed for the most neutron-rich silver nuclei are compared to the experimental data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.4961v1-abstract-full').style.display = 'none'; document.getElementById('1212.4961v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.1024">arXiv:1209.1024</a> <span> [<a href="https://arxiv.org/pdf/1209.1024">pdf</a>, <a href="https://arxiv.org/ps/1209.1024">ps</a>, <a href="https://arxiv.org/format/1209.1024">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/420/1/012072">10.1088/1742-6596/420/1/012072 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Coulomb excitation of exotic nuclei at the R3B-LAND setup </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rossi%2C+D+M">D. M. Rossi</a>, <a href="/search/nucl-ex?searchtype=author&query=Adrich%2C+P">P. Adrich</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksouh%2C+F">F. Aksouh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%B6hmer%2C+M">M. B枚hmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Pramanik%2C+U+D">U. Datta Pramanik</a>, <a href="/search/nucl-ex?searchtype=author&query=Emling%2C+H">H. Emling</a>, <a href="/search/nucl-ex?searchtype=author&query=Ershova%2C+O">O. Ershova</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Dominguez%2C+B">B. Fernandez-Dominguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorska%2C+M">M. Gorska</a>, <a href="/search/nucl-ex?searchtype=author&query=Heil%2C+M">M. Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Johansson%2C+H">H. Johansson</a>, <a href="/search/nucl-ex?searchtype=author&query=Junghans%2C+A">A. Junghans</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Klimkiewicz%2C+A">A. Klimkiewicz</a>, <a href="/search/nucl-ex?searchtype=author&query=Kratz%2C+J+V">J. V. Kratz</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurz%2C+N">N. Kurz</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1209.1024v1-abstract-short" style="display: inline;"> Exotic Ni isotopes have been measured at the R3B-LAND setup at GSI in Darmstadt, using Coulomb excitation in inverse kinematics at beam energies around 500 MeV/u. As the experimental setup allows kinematically complete measurements, the excitation energy was reconstructed using the invariant mass method. The GDR and additional low-lying strength have been observed in 68Ni, the latter exhausting 4.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1024v1-abstract-full').style.display = 'inline'; document.getElementById('1209.1024v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.1024v1-abstract-full" style="display: none;"> Exotic Ni isotopes have been measured at the R3B-LAND setup at GSI in Darmstadt, using Coulomb excitation in inverse kinematics at beam energies around 500 MeV/u. As the experimental setup allows kinematically complete measurements, the excitation energy was reconstructed using the invariant mass method. The GDR and additional low-lying strength have been observed in 68Ni, the latter exhausting 4.1(1.9)% of the E1 energy-weighted sum rule. Also, the branching ratio for the non-statistical decay of the excited 68Ni nuclei was measured and amounts to 24(4)%. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1024v1-abstract-full').style.display = 'none'; document.getElementById('1209.1024v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 7 figures. Invited Talk given at the 11th International Conference on Nucleus-Nucleus Collisions (NN2012), San Antonio, Texas, USA, May 27-June 1, 2012. To appear in the NN2012 Proceedings in Journal of Physics: Conference Series (JPCS)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.0816">arXiv:1209.0816</a> <span> [<a href="https://arxiv.org/pdf/1209.0816">pdf</a>, <a href="https://arxiv.org/format/1209.0816">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/420/1/012119">10.1088/1742-6596/420/1/012119 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Isotopic fission fragment distributions as a deep probe to fusion-fission dynamics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaune%2C+O">O. Delaune</a>, <a href="/search/nucl-ex?searchtype=author&query=Tarasov%2C+O+B">O. B. Tarasov</a>, <a href="/search/nucl-ex?searchtype=author&query=Derkx%2C+X">X. Derkx</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Amthor%2C+A+M">A. M. Amthor</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacri%2C+C+-">C. -O. Bacri</a>, <a href="/search/nucl-ex?searchtype=author&query=Barreau%2C+G">G. Barreau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bastin%2C+B">B. Bastin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazin%2C+D">D. Bazin</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Caceres%2C+L">L. Caceres</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chibihi%2C+A">A. Chibihi</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Dominguez%2C+B">B. Fernandez-Dominguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaudefroy%2C+L">L. Gaudefroy</a>, <a href="/search/nucl-ex?searchtype=author&query=Golabek%2C+C">C. Golabek</a>, <a href="/search/nucl-ex?searchtype=author&query=Grevy%2C+S">S. Grevy</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Kamalou%2C+O">O. Kamalou</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Lukyanov%2C+S">S. Lukyanov</a> , et al. (15 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1209.0816v2-abstract-short" style="display: inline;"> During the fission process, the nucleus deforms and elongates up to the two fragments inception and their final separation at scission deformation. The evolution of the nucleus energy with deformation is determined by the macroscopic properties of the nucleus, and is also strongly influenced by the single-particle structure of the nucleus. The fission fragment distribution is a direct consequence… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.0816v2-abstract-full').style.display = 'inline'; document.getElementById('1209.0816v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.0816v2-abstract-full" style="display: none;"> During the fission process, the nucleus deforms and elongates up to the two fragments inception and their final separation at scission deformation. The evolution of the nucleus energy with deformation is determined by the macroscopic properties of the nucleus, and is also strongly influenced by the single-particle structure of the nucleus. The fission fragment distribution is a direct consequence of the deformation path the nucleus has encountered, and therefore is the most genuine experimental observation of the potential energy landscape of the deforming nucleus. Very asymmetric fusion-fission reactions at energy close to the Coulomb barrier, produce well-defined conditions of the compound nucleus formation, where processes such as quasi-fission, pre-equilibrium emission and incomplete fusion are negligible. In the same time, the excitation energy is sufficient to reduce significantly structural effects, and mostly the macroscopic part of the potential is responsible for the formation of the fission fragments. We use inverse kinematics combined with spectrometers to select and identify the fission fragments produced in $^{238}$U+$^{12}$C at a bombarding energy close to and well-above the Coulomb barrier. For the first time, the isotopic yields are measured over the complete atomic-number distribution, between Z=30 and Z=63. The experimental set-up also allows to identify transfer-induced reactions, which lead to low-energy fission where the nuclear shell structure shows a strong influence on the fission-fragment distributions. The resulting set of data gives the possibility to observe the fission fragment properties over a wide range of excitation energy, and they reveal the vanishing of the shell effects in the potential energy of the fissioning nucleus, as well as the influence of fission dynamics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.0816v2-abstract-full').style.display = 'none'; document.getElementById('1209.0816v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Invited Plenary Talk given at the 11th International Conference on Nucleus-Nucleus Collisions (NN2012), San Antonio, Texas, USA, May 27-June 1, 2012. To appear in the NN2012 Proceedings in Journal of Physics: Conference Series (JPCS)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.0156">arXiv:1209.0156</a> <span> [<a href="https://arxiv.org/pdf/1209.0156">pdf</a>, <a href="https://arxiv.org/format/1209.0156">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.88.034313">10.1103/PhysRevC.88.034313 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Beyond the Neutron Drip-Line: The Unbound Oxygen Isotopes 25O and 26O </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Simonis%2C+J">J. Simonis</a>, <a href="/search/nucl-ex?searchtype=author&query=Adachi%2C+T">T. Adachi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksyutina%2C+Y">Y. Aksyutina</a>, <a href="/search/nucl-ex?searchtype=author&query=Alcantara%2C+J">J. Alcantara</a>, <a href="/search/nucl-ex?searchtype=author&query=Altstadt%2C+S">S. Altstadt</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashwood%2C+N">N. Ashwood</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Avdeichikov%2C+V">V. Avdeichikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barr%2C+M">M. Barr</a>, <a href="/search/nucl-ex?searchtype=author&query=Beceiro%2C+S">S. Beceiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Bemmerer%2C+D">D. Bemmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bertulani%2C+C+A">C. A. Bertulani</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Burgunder%2C+G">G. Burgunder</a>, <a href="/search/nucl-ex?searchtype=author&query=Caamano%2C+M">M. Caamano</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W">W. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chakraborty%2C+S">S. Chakraborty</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a>, <a href="/search/nucl-ex?searchtype=author&query=Chulkov%2C+L">L. Chulkov</a> , et al. (99 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1209.0156v4-abstract-short" style="display: inline;"> The very neutron-rich oxygen isotopes 25O and 26O are investigated experimentally and theoret- ically. In this first R3B-LAND experiment, the unbound states are populated at GSI via proton- knockout reactions from 26F and 27F at relativistic energies around 450 MeV/nucleon. From the kinematically complete measurement of the decay into 24O plus one or two neutrons, the 25O ground- state energy and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.0156v4-abstract-full').style.display = 'inline'; document.getElementById('1209.0156v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.0156v4-abstract-full" style="display: none;"> The very neutron-rich oxygen isotopes 25O and 26O are investigated experimentally and theoret- ically. In this first R3B-LAND experiment, the unbound states are populated at GSI via proton- knockout reactions from 26F and 27F at relativistic energies around 450 MeV/nucleon. From the kinematically complete measurement of the decay into 24O plus one or two neutrons, the 25O ground- state energy and lifetime are determined, and upper limits for the 26O ground state are extracted. In addition, the results provide evidence for an excited state in 26O at around 4 MeV. The ex- perimental findings are compared to theoretical shell-model calculations based on chiral two- and three-nucleon (3N) forces, including for the first time residual 3N forces, which are shown to be amplified as valence neutrons are added. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.0156v4-abstract-full').style.display = 'none'; document.getElementById('1209.0156v4-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 September, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C88:034313,2013 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1208.6115">arXiv:1208.6115</a> <span> [<a href="https://arxiv.org/pdf/1208.6115">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.87.034601">10.1103/PhysRevC.87.034601 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-precision measurement of total fission cross sections in spallation reactions of 208Pb and 238U </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Pleskac%2C+R">R. Pleskac</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+V">M. V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Farget%2C+F">F. Farget</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacquias%2C+A">A. Bacquias</a>, <a href="/search/nucl-ex?searchtype=author&query=Giot%2C+L">L. Giot</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzl%2C+V">V. Henzl</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic-Heil%2C+A">A. Kelic-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=Lukic%2C+S">S. Lukic</a>, <a href="/search/nucl-ex?searchtype=author&query=Ngoc%2C+S+N">Son Nguyen Ngoc</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+M">M. Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurtukian%2C+T">T. Kurtukian</a>, <a href="/search/nucl-ex?searchtype=author&query=Nadtochy%2C+P">P. Nadtochy</a>, <a href="/search/nucl-ex?searchtype=author&query=Perez%2C+D">D. Perez</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1208.6115v1-abstract-short" style="display: inline;"> Total cross sections for proton- and deuteron-induced-fission of 208Pb and 238U have been determined in the energy range between 500 MeV and 1 GeV. The experiment has been performed in inverse kinematics at GSI Darmstadt, facilitating the counting of the projectiles and the identification of the reaction products. High precision between 5 and 7 percent has been achieved by individually counting th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.6115v1-abstract-full').style.display = 'inline'; document.getElementById('1208.6115v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1208.6115v1-abstract-full" style="display: none;"> Total cross sections for proton- and deuteron-induced-fission of 208Pb and 238U have been determined in the energy range between 500 MeV and 1 GeV. The experiment has been performed in inverse kinematics at GSI Darmstadt, facilitating the counting of the projectiles and the identification of the reaction products. High precision between 5 and 7 percent has been achieved by individually counting the beam particles and by registering both fission fragments in coincidence with high efficiency and full Z resolution. Fission was clearly distinguished from other reaction channels. The results were found to deviate by up to 30 percent from Prokofiev's systematics on total fission cross sections. There is good agreement with an elaborate experiment performed in direct kinematics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.6115v1-abstract-full').style.display = 'none'; document.getElementById('1208.6115v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 August, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">18 pages, 12 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 87, 034601 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1203.1411">arXiv:1203.1411</a> <span> [<a href="https://arxiv.org/pdf/1203.1411">pdf</a>, <a href="https://arxiv.org/ps/1203.1411">ps</a>, <a href="https://arxiv.org/format/1203.1411">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Proton induced fission of 181-Ta at relativistic energies </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ayyad%2C+Y">Y. Ayyad</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez-Pol%2C+H">H. 脕lvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacquias%2C+A">A. Bacquias</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=F%C3%B6hr%2C+V">V. F枚hr</a>, <a href="/search/nucl-ex?searchtype=author&query=Keli%C4%87-Heil%2C+A">A. Keli膰-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Kezzar%2C+K">K. Kezzar</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=Paradela%2C+C">C. Paradela</a>, <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9rez-Loureiro%2C+D">D. P茅rez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pleska%C4%8D%2C+R">R. Pleska膷</a>, <a href="/search/nucl-ex?searchtype=author&query=Tarr%C3%ADo%2C+D">D. Tarr铆o</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1203.1411v1-abstract-short" style="display: inline;"> Total fission cross sections of 181-Ta induced by protons at different relativistic energies have been measured at GSI, Darmstadt. The inverse kinematics technique used together with a dedicated set-up, made it possible to determine these cross sections with high accuracy. The new data obtained in this experiment will contribute to the understanding of the fission process at high excitation energi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1203.1411v1-abstract-full').style.display = 'inline'; document.getElementById('1203.1411v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1203.1411v1-abstract-full" style="display: none;"> Total fission cross sections of 181-Ta induced by protons at different relativistic energies have been measured at GSI, Darmstadt. The inverse kinematics technique used together with a dedicated set-up, made it possible to determine these cross sections with high accuracy. The new data obtained in this experiment will contribute to the understanding of the fission process at high excitation energies. The results are compared with data from previous experiments and systematics for proton-induced fission cross sections. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1203.1411v1-abstract-full').style.display = 'none'; document.getElementById('1203.1411v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 March, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1112.0657">arXiv:1112.0657</a> <span> [<a href="https://arxiv.org/pdf/1112.0657">pdf</a>, <a href="https://arxiv.org/ps/1112.0657">ps</a>, <a href="https://arxiv.org/format/1112.0657">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/366/1/012029">10.1088/1742-6596/366/1/012029 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Single-particle isomeric states in 121Pd and 117Ru </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Lalkovski%2C+S">S. Lalkovski</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruce%2C+A+M">A. M. Bruce</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacelar%2C+A+M+D">A. M. Denis Bacelar</a>, <a href="/search/nucl-ex?searchtype=author&query=Gorska%2C+M">M. Gorska</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietri%2C+S">S. Pietri</a>, <a href="/search/nucl-ex?searchtype=author&query=Podolyak%2C+Z">Zs. Podolyak</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Caceres%2C+L">L. Caceres</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cullen%2C+I+J">I. J. Cullen</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Farrelly%2C+G+F">G. F. Farrelly</a>, <a href="/search/nucl-ex?searchtype=author&query=Garnsworthy%2C+A+B">A. B. Garnsworthy</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gelletly%2C+W">W. Gelletly</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Grcebosz%2C+J">J. Grcebosz</a>, <a href="/search/nucl-ex?searchtype=author&query=Hinke%2C+C">C. Hinke</a>, <a href="/search/nucl-ex?searchtype=author&query=Ilie%2C+G">G. Ilie</a>, <a href="/search/nucl-ex?searchtype=author&query=Jaworski%2C+G">G. Jaworski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kisyov%2C+S">S. Kisyov</a>, <a href="/search/nucl-ex?searchtype=author&query=Kojouharov%2C+I">I. Kojouharov</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurz%2C+N">N. Kurz</a>, <a href="/search/nucl-ex?searchtype=author&query=Myalski%2C+S">S. Myalski</a>, <a href="/search/nucl-ex?searchtype=author&query=Palacz%2C+M">M. Palacz</a> , et al. (8 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1112.0657v1-abstract-short" style="display: inline;"> Neutron-rich nuclei were populated in a relativistic fission of 238U. Gamma-rays with energies of 135 keV and 184 keV were associated with two isomeric states in 121Pd and 117Ru. Half-lives of 0.63(5) microseconds and 2.0(3) micrisecondss were deduced and the isomeric states were interpreted in terms of deformed single-particle states. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1112.0657v1-abstract-full" style="display: none;"> Neutron-rich nuclei were populated in a relativistic fission of 238U. Gamma-rays with energies of 135 keV and 184 keV were associated with two isomeric states in 121Pd and 117Ru. Half-lives of 0.63(5) microseconds and 2.0(3) micrisecondss were deduced and the isomeric states were interpreted in terms of deformed single-particle states. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1112.0657v1-abstract-full').style.display = 'none'; document.getElementById('1112.0657v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 December, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J.Phys.Conf.Ser.366 (2012) 012029 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1106.5368">arXiv:1106.5368</a> <span> [<a href="https://arxiv.org/pdf/1106.5368">pdf</a>, <a href="https://arxiv.org/ps/1106.5368">ps</a>, <a href="https://arxiv.org/format/1106.5368">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.84.054605">10.1103/PhysRevC.84.054605 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental study of fragmentation products in the reactions 112Sn + 112Sn and 124Sn + 124Sn at 1 AGeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=F%C3%B6hr%2C+V">V. F枚hr</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacquias%2C+A">A. Bacquias</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Junghans%2C+A+R">A. R. Junghans</a>, <a href="/search/nucl-ex?searchtype=author&query=Keli%C4%87-Heil%2C+A">A. Keli膰-Heil</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurtukian%2C+T">T. Kurtukian</a>, <a href="/search/nucl-ex?searchtype=author&query=Luki%C4%87%2C+S">S. Luki膰</a>, <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9rez-Loureiro%2C+D">D. P茅rez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Pleska%C4%8D%2C+R">R. Pleska膷</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+V">M. V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Ta%C3%AFeb%2C+J">J. Ta茂eb</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1106.5368v1-abstract-short" style="display: inline;"> Production cross-sections and longitudinal velocity distributions of the projectile-like residues produced in the reactions 112Sn + 112Sn and 124Sn + 124Sn both at an incident beam energy of 1 AGeV were measured with the high-resolution magnetic spectrometer, the Fragment Separator (FRS) of GSI. For both reactions the characteristics of the velocity distributions and nuclide production cross secti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1106.5368v1-abstract-full').style.display = 'inline'; document.getElementById('1106.5368v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1106.5368v1-abstract-full" style="display: none;"> Production cross-sections and longitudinal velocity distributions of the projectile-like residues produced in the reactions 112Sn + 112Sn and 124Sn + 124Sn both at an incident beam energy of 1 AGeV were measured with the high-resolution magnetic spectrometer, the Fragment Separator (FRS) of GSI. For both reactions the characteristics of the velocity distributions and nuclide production cross sections were determined for residues with atomic number Z $\geq$ 10. A comparison of the results of the two reactions is presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1106.5368v1-abstract-full').style.display = 'none'; document.getElementById('1106.5368v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 June, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 12 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1105.0487">arXiv:1105.0487</a> <span> [<a href="https://arxiv.org/pdf/1105.0487">pdf</a>, <a href="https://arxiv.org/ps/1105.0487">ps</a>, <a href="https://arxiv.org/format/1105.0487">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2011.08.037">10.1016/j.physletb.2011.08.037 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of neutron-rich nuclei in fragmentation reactions of 132Sn projectiles at relativistic energies </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9rez-Loureiro%2C+D">D. P茅rez-Loureiro</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=%C3%81lvarez-Pol%2C+H">H. 脕lvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Dragosavac%2C+D">D. Dragosavac</a>, <a href="/search/nucl-ex?searchtype=author&query=F%C3%B6hr%2C+V">V. F枚hr</a>, <a href="/search/nucl-ex?searchtype=author&query=Gasc%C3%B3n%2C+M">M. Gasc贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Gawlikowicz%2C+W">W. Gawlikowicz</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Helariutta%2C+K">K. Helariutta</a>, <a href="/search/nucl-ex?searchtype=author&query=Keli%C4%87%2C+A">A. Keli膰</a>, <a href="/search/nucl-ex?searchtype=author&query=Luki%C4%87%2C+S">S. Luki膰</a>, <a href="/search/nucl-ex?searchtype=author&query=Montes%2C+F">F. Montes</a>, <a href="/search/nucl-ex?searchtype=author&query=Pie%C5%84kowski%2C+L">L. Pie艅kowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K">K-H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Staniou%2C+M">M. Staniou</a>, <a href="/search/nucl-ex?searchtype=author&query=Suboti%C4%87%2C+K">K. Suboti膰</a>, <a href="/search/nucl-ex?searchtype=author&query=S%C3%BCmmerer%2C+K">K. S眉mmerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Taieb%2C+J">J. Taieb</a>, <a href="/search/nucl-ex?searchtype=author&query=Trzci%C5%84ska%2C+A">A. Trzci艅ska</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1105.0487v1-abstract-short" style="display: inline;"> The fragmentation of neutron-rich 132Sn nuclei produced in the fission of 238U projectiles at 950 MeV/u has been investigated at the FRagment Separator (FRS) at GSI. This work represents the first investigation of fragmentation of medium-mass radioactive projectiles with a large neutron excess. The measured production cross sections of the residual nuclei are relevant for the possible use of a two… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.0487v1-abstract-full').style.display = 'inline'; document.getElementById('1105.0487v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1105.0487v1-abstract-full" style="display: none;"> The fragmentation of neutron-rich 132Sn nuclei produced in the fission of 238U projectiles at 950 MeV/u has been investigated at the FRagment Separator (FRS) at GSI. This work represents the first investigation of fragmentation of medium-mass radioactive projectiles with a large neutron excess. The measured production cross sections of the residual nuclei are relevant for the possible use of a two-stage reaction scheme (fission+fragmentation) for the production of extremely neutron-rich medium-mass nuclei in future rare-ion-beam facilities. Moreover, the new data will provide a better understanding of the "memory" effect in fragmentation reactions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.0487v1-abstract-full').style.display = 'none'; document.getElementById('1105.0487v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 May, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physics Letters B, 703, 552 (2001) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1007.5506">arXiv:1007.5506</a> <span> [<a href="https://arxiv.org/pdf/1007.5506">pdf</a>, <a href="https://arxiv.org/ps/1007.5506">ps</a>, <a href="https://arxiv.org/format/1007.5506">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.82.041602">10.1103/PhysRevC.82.041602 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of new neutron-rich isotopes of heavy elements in fragmentation reactions of $^{238}$U projectiles at 1 A GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+B">B. Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Junghans%2C+A+R">A. R. Junghans</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1007.5506v1-abstract-short" style="display: inline;"> The production of heavy neutron-rich nuclei has been investigated using cold fragmentation reactions of $^{238}$U projectiles at relativistic energies. The experiment performed at the high-resolving-power magnetic spectrometer FRS at GSI allowed to identify 45 new heavy neutron-rich nuclei: $^{205}$Pt, $^{207-210}$Au, $^{211-216}$Hg, $^{213-217}$Tl, $^{215-220}$Pb, $^{219-224}$Bi, $^{221-227}$Po,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1007.5506v1-abstract-full').style.display = 'inline'; document.getElementById('1007.5506v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1007.5506v1-abstract-full" style="display: none;"> The production of heavy neutron-rich nuclei has been investigated using cold fragmentation reactions of $^{238}$U projectiles at relativistic energies. The experiment performed at the high-resolving-power magnetic spectrometer FRS at GSI allowed to identify 45 new heavy neutron-rich nuclei: $^{205}$Pt, $^{207-210}$Au, $^{211-216}$Hg, $^{213-217}$Tl, $^{215-220}$Pb, $^{219-224}$Bi, $^{221-227}$Po, $^{224-229}$At, $^{229-231}$Rn and $^{233}$Fr. The production cross sections of these nuclei were also determined and used to benchmark reaction codes that predict the production of nuclei far from stability. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1007.5506v1-abstract-full').style.display = 'none'; document.getElementById('1007.5506v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 July, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 2 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C82:041602,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1004.0265">arXiv:1004.0265</a> <span> [<a href="https://arxiv.org/pdf/1004.0265">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Extending the north-east limit of the chart of nuclides </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurtukian-Nieto%2C+T">T. Kurtukian-Nieto</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Becker%2C+F">F. Becker</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Fern%C3%A1ndez%2C+B">B. Fern谩ndez</a>, <a href="/search/nucl-ex?searchtype=author&query=Fern%C3%A1ndez-Ord%C3%B3%C3%B1ez%2C+M">M. Fern谩ndez-Ord贸帽ez</a>, <a href="/search/nucl-ex?searchtype=author&query=Giovinazzo%2C+J">J. Giovinazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Junghans%2C+A+R">A. R. Junghans</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1004.0265v1-abstract-short" style="display: inline;"> The existence of nuclei with exotic combinations of protons and neutrons provides fundamental information on the forces acting between nucleons. The maximum number of neutrons a given number of protons can bind, neutron drip line1, is only known for the lightest chemical elements, up to oxygen. For heavier elements, the larger its atomic number, the farther from this limit is the most neutron-rich… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1004.0265v1-abstract-full').style.display = 'inline'; document.getElementById('1004.0265v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1004.0265v1-abstract-full" style="display: none;"> The existence of nuclei with exotic combinations of protons and neutrons provides fundamental information on the forces acting between nucleons. The maximum number of neutrons a given number of protons can bind, neutron drip line1, is only known for the lightest chemical elements, up to oxygen. For heavier elements, the larger its atomic number, the farther from this limit is the most neutron-rich known isotope. The properties of heavy neutron-rich nuclei also have a direct impact on understanding the observed abundances of chemical elements heavier than iron in our Universe. Above half of the abundances of these elements are thought to be produced in rapid-neutron capture reactions, r-process, taking place in violent stellar scenarios2 where heavy neutron-rich nuclei, far beyond the ones known up today, are produced. Here we present a major step forward in the production of heavy neutron-rich nuclei: the discovery of 73 new neutron-rich isotopes of chemical elements between tantalum (Z=72) and actinium (Z=89). This result proves that cold-fragmentation reactions3 at relativistic energies are governed by large fluctuations in isospin and energy dissipation making possible the massive production of heavy neutron-rich nuclei, paving then the way for the full understanding of the origin of the heavier elements in our Universe. It is expected that further studies providing ground and structural properties of the nuclei presented here will reveal further details on the nuclear shell evolution along Z=82 and N=126, but also on the understanding of the stellar nucleosyntheis r-process around the waiting point at A~190 defining the speed of the matter flow towards heavier fissioning nuclei. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1004.0265v1-abstract-full').style.display = 'none'; document.getElementById('1004.0265v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 April, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2010. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0905.0682">arXiv:0905.0682</a> <span> [<a href="https://arxiv.org/pdf/0905.0682">pdf</a>, <a href="https://arxiv.org/ps/0905.0682">ps</a>, <a href="https://arxiv.org/format/0905.0682">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/4/11/P11007">10.1088/1748-0221/4/11/P11007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performances of multi-gap timing RPCs for relativistic ions in the range Z=1-6 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cabanelas%2C+P">P. Cabanelas</a>, <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+M">M. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Garzon%2C+J+A">J. A. Garzon</a>, <a href="/search/nucl-ex?searchtype=author&query=Gil%2C+A">A. Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Gonzalez-Diaz%2C+D">D. Gonzalez-Diaz</a>, <a href="/search/nucl-ex?searchtype=author&query=Blanco%2C+A">A. Blanco</a>, <a href="/search/nucl-ex?searchtype=author&query=Belver%2C+D">D. Belver</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Fonte%2C+P">P. Fonte</a>, <a href="/search/nucl-ex?searchtype=author&query=Koenig%2C+W">W. Koenig</a>, <a href="/search/nucl-ex?searchtype=author&query=Lopes%2C+L">L. Lopes</a>, <a href="/search/nucl-ex?searchtype=author&query=Palka%2C+M">M. Palka</a>, <a href="/search/nucl-ex?searchtype=author&query=Pietraszko%2C+J">J. Pietraszko</a>, <a href="/search/nucl-ex?searchtype=author&query=Traxler%2C+M">M. Traxler</a>, <a href="/search/nucl-ex?searchtype=author&query=Weber%2C+M">M. Weber</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0905.0682v2-abstract-short" style="display: inline;"> We present the performance of Multi-gap timing RPCs under irradiation by fully stripped relativistic ions (gamma*beta=2.7, Z=1-6). A time resolution of 80 ps at high efficiency has been obtained by just using standard `off the shelf' 4-gap timing RPCs from the new HADES ToF wall. The resolution worsened to 100 ps for ~ 1 kHz/cm2 proton flux and for ~ 100 Hz/cm2 Carbon flux. The chambers were ope… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0905.0682v2-abstract-full').style.display = 'inline'; document.getElementById('0905.0682v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0905.0682v2-abstract-full" style="display: none;"> We present the performance of Multi-gap timing RPCs under irradiation by fully stripped relativistic ions (gamma*beta=2.7, Z=1-6). A time resolution of 80 ps at high efficiency has been obtained by just using standard `off the shelf' 4-gap timing RPCs from the new HADES ToF wall. The resolution worsened to 100 ps for ~ 1 kHz/cm2 proton flux and for ~ 100 Hz/cm2 Carbon flux. The chambers were operated at a standard field of E=100 kV/cm and showed a high stability during the experiment, supporting the fact that RPCs are a convenient choice when accommodating a very broad range of ionizing particles is needed. The data provides insight in the region of very highly ionizing particles (up to x 36 mips) and can be used to constrain the existing avalanche and Space-Charge models far from the usual `mip valley'. The implications of these results for the general case of detection based on secondary processes (n, gamma) resulting in highly ionizing particles with characteristic energy distributions will be discussed, together with the nature of the time-charge correlation curve. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0905.0682v2-abstract-full').style.display = 'none'; document.getElementById('0905.0682v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 May, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 May, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">31 pages, 19 figures, submitted to JINST</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 4:P11007,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0810.3157">arXiv:0810.3157</a> <span> [<a href="https://arxiv.org/pdf/0810.3157">pdf</a>, <a href="https://arxiv.org/ps/0810.3157">ps</a>, <a href="https://arxiv.org/format/0810.3157">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2009.03.049">10.1016/j.physletb.2009.03.049 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Structure of 55Ti from relativistic one-neutron knockout </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Maierbeck%2C+P">P. Maierbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%BCcken%2C+R">R. Kr眉cken</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%B6ll%2C+T">T. Kr枚ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez-Pol%2C+H">H. Alvarez-Pol</a>, <a href="/search/nucl-ex?searchtype=author&query=Aksouh%2C+F">F. Aksouh</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Behr%2C+K">K. Behr</a>, <a href="/search/nucl-ex?searchtype=author&query=Benjamim%2C+E+A">E. A. Benjamim</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bildstein%2C+V">V. Bildstein</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%B6hmer%2C+M">M. B枚hmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Borge%2C+M+J+G">M. J. G. Borge</a>, <a href="/search/nucl-ex?searchtype=author&query=Br%C3%BCnle%2C+A">A. Br眉nle</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%BCrger%2C+A">A. B眉rger</a>, <a href="/search/nucl-ex?searchtype=author&query=Caama%C3%B1o%2C+M">M. Caama帽o</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Chulkov%2C+L+V">L. V. Chulkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Enders%2C+J">J. Enders</a>, <a href="/search/nucl-ex?searchtype=author&query=Eppinger%2C+K">K. Eppinger</a>, <a href="/search/nucl-ex?searchtype=author&query=Faestermann%2C+T">T. Faestermann</a>, <a href="/search/nucl-ex?searchtype=author&query=Friese%2C+J">J. Friese</a> , et al. (40 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0810.3157v2-abstract-short" style="display: inline;"> Results are presented from a one-neutron knockout reaction at relativistic energies on 56Ti using the GSI FRS as a two-stage magnetic spectrometer and the Miniball array for gamma-ray detection. Inclusive and exclusive longitudinal momentum distributions and cross-sections were measured enabling the determination of the orbital angular momentum of the populated states. First-time observation of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0810.3157v2-abstract-full').style.display = 'inline'; document.getElementById('0810.3157v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0810.3157v2-abstract-full" style="display: none;"> Results are presented from a one-neutron knockout reaction at relativistic energies on 56Ti using the GSI FRS as a two-stage magnetic spectrometer and the Miniball array for gamma-ray detection. Inclusive and exclusive longitudinal momentum distributions and cross-sections were measured enabling the determination of the orbital angular momentum of the populated states. First-time observation of the 955(6) keV nu p3/2-hole state in 55Ti is reported. The measured data for the first time proves that the ground state of 55Ti is a 1/2- state, in agreement with shell-model calculations using the GXPF1A interaction that predict a sizable N=34 gap in 54Ca. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0810.3157v2-abstract-full').style.display = 'none'; document.getElementById('0810.3157v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 February, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 October, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 3 figures, submitted to Physics Letters B 13 pages, 4 figures, resubmitted to Physics Letters B (major revision to meet the suggestions of the reviewers)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B675:22-27,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0807.2851">arXiv:0807.2851</a> <span> [<a href="https://arxiv.org/pdf/0807.2851">pdf</a>, <a href="https://arxiv.org/ps/0807.2851">ps</a>, <a href="https://arxiv.org/format/0807.2851">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.78.054605">10.1103/PhysRevC.78.054605 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of medium-mass neutron-rich nuclei in reactions induced by 136Xe projectiles at 1 A GeV on a beryllium target </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Ordonez%2C+M">M. Fernandez-Ordonez</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ducret%2C+J+E">J. E. Ducret</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzl%2C+V">V. Henzl</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic%2C+A">A. Kelic</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+V">M. V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Stephan%2C+C">C. Stephan</a>, <a href="/search/nucl-ex?searchtype=author&query=Tassan-Got%2C+L">L. Tassan-Got</a>, <a href="/search/nucl-ex?searchtype=author&query=Volant%2C+C">C. Volant</a>, <a href="/search/nucl-ex?searchtype=author&query=Villagrasa%2C+C">C. Villagrasa</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0807.2851v1-abstract-short" style="display: inline;"> Production cross sections of medium-mass neutron-rich nuclei obtained in the fragmentation of 136Xe projectiles at 1 A GeV have been measured with the FRagment Separator (FRS) at GSI. 125Pd was identified for the first time. The measured cross sections are compared to 238U fission yields and model calculations in order to determine the optimum reaction mechanism to extend the limits of the chart… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0807.2851v1-abstract-full').style.display = 'inline'; document.getElementById('0807.2851v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0807.2851v1-abstract-full" style="display: none;"> Production cross sections of medium-mass neutron-rich nuclei obtained in the fragmentation of 136Xe projectiles at 1 A GeV have been measured with the FRagment Separator (FRS) at GSI. 125Pd was identified for the first time. The measured cross sections are compared to 238U fission yields and model calculations in order to determine the optimum reaction mechanism to extend the limits of the chart of the nuclides around the r-process waiting point at N=82. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0807.2851v1-abstract-full').style.display = 'none'; document.getElementById('0807.2851v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 July, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C78:054605,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0802.4263">arXiv:0802.4263</a> <span> [<a href="https://arxiv.org/pdf/0802.4263">pdf</a>, <a href="https://arxiv.org/ps/0802.4263">ps</a>, <a href="https://arxiv.org/format/0802.4263">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.77.061303">10.1103/PhysRevC.77.061303 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Proton-proton correlations observed in two-proton decay of $^{19}$Mg and $^{16}$Ne </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Mukha%2C+I">I. Mukha</a>, <a href="/search/nucl-ex?searchtype=author&query=Grigorenko%2C+L">L. Grigorenko</a>, <a href="/search/nucl-ex?searchtype=author&query=Summerer%2C+K">K. Summerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+M+A+G">M. A. G. Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatillon%2C+A">A. Chatillon</a>, <a href="/search/nucl-ex?searchtype=author&query=Cortina-Gil%2C+D">D. Cortina-Gil</a>, <a href="/search/nucl-ex?searchtype=author&query=Espino%2C+J">J. Espino</a>, <a href="/search/nucl-ex?searchtype=author&query=Fomichev%2C+A">A. Fomichev</a>, <a href="/search/nucl-ex?searchtype=author&query=Garcia-Ramos%2C+J+E">J. E. Garcia-Ramos</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gomez-Camacho%2C+J">J. Gomez-Camacho</a>, <a href="/search/nucl-ex?searchtype=author&query=Hofmann%2C+J">J. Hofmann</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiselev%2C+O">O. Kiselev</a>, <a href="/search/nucl-ex?searchtype=author&query=Korsheninnikov%2C+A">A. Korsheninnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurz%2C+N">N. Kurz</a>, <a href="/search/nucl-ex?searchtype=author&query=Litvinov%2C+Y">Yu. Litvinov</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a>, <a href="/search/nucl-ex?searchtype=author&query=Nociforo%2C+C">C. Nociforo</a>, <a href="/search/nucl-ex?searchtype=author&query=Ott%2C+W">W. Ott</a>, <a href="/search/nucl-ex?searchtype=author&query=Pfutzner%2C+M">M. Pfutzner</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodriguez-Tajes%2C+C">C. Rodriguez-Tajes</a>, <a href="/search/nucl-ex?searchtype=author&query=Roeckl%2C+E">E. Roeckl</a>, <a href="/search/nucl-ex?searchtype=author&query=Stanoiu%2C+M">M. Stanoiu</a> , et al. (2 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0802.4263v1-abstract-short" style="display: inline;"> Proton-proton correlations were observed for the two-proton decays of the ground states of $^{19}$Mg and $^{16}$Ne. The trajectories of the respective decay products, $^{17}$Ne+p+p and $^{14}$O+p+p, were measured by using a tracking technique with microstrip detectors. These data were used to reconstruct the angular correlations of fragments projected on planes transverse to the precursor moment… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0802.4263v1-abstract-full').style.display = 'inline'; document.getElementById('0802.4263v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0802.4263v1-abstract-full" style="display: none;"> Proton-proton correlations were observed for the two-proton decays of the ground states of $^{19}$Mg and $^{16}$Ne. The trajectories of the respective decay products, $^{17}$Ne+p+p and $^{14}$O+p+p, were measured by using a tracking technique with microstrip detectors. These data were used to reconstruct the angular correlations of fragments projected on planes transverse to the precursor momenta. The measured three-particle correlations reflect a genuine three-body decay mechanism and allowed us to obtain spectroscopic information on the precursors with valence protons in the $sd$ shell. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0802.4263v1-abstract-full').style.display = 'none'; document.getElementById('0802.4263v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 February, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C77:061303,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0801.3110">arXiv:0801.3110</a> <span> [<a href="https://arxiv.org/pdf/0801.3110">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.78.044616">10.1103/PhysRevC.78.044616 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental investigation of the residues produced in the 136Xe+Pb and 124Xe+Pb fragmentation reactions at 1 A GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+V">M. V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic%2C+A">A. Kelic</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzl%2C+V">V. Henzl</a>, <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ducret%2C+J+E">J. E. Ducret</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Junghans%2C+A">A. Junghans</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Krasa%2C+A">A. Krasa</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurtukian%2C+T">T. Kurtukian</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=Ordonez%2C+M+F">M. F. Ordonez</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Pleskac%2C+R">R. Pleskac</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Stephan%2C+C">C. Stephan</a>, <a href="/search/nucl-ex?searchtype=author&query=Tassan-Got%2C+L">L. Tassan-Got</a> , et al. (4 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0801.3110v1-abstract-short" style="display: inline;"> This paper presents the nuclide cross sections and the longitudinal velocity distributions of residues produced in the reactions of 136Xe and 124Xe at 1 A GeV in a lead target, measured at the high-resolution magnetic spectrometer, the Fragment Separator (FRS) of GSI. The data cover a broad range of isotopes of the elements between Z = 3 and Z = 56 for 136Xe and between Z = 5 and Z = 55 for 124X… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0801.3110v1-abstract-full').style.display = 'inline'; document.getElementById('0801.3110v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0801.3110v1-abstract-full" style="display: none;"> This paper presents the nuclide cross sections and the longitudinal velocity distributions of residues produced in the reactions of 136Xe and 124Xe at 1 A GeV in a lead target, measured at the high-resolution magnetic spectrometer, the Fragment Separator (FRS) of GSI. The data cover a broad range of isotopes of the elements between Z = 3 and Z = 56 for 136Xe and between Z = 5 and Z = 55 for 124Xe, reaching down to cross sections of a few microbarns. The velocity distributions exhibit a Gaussian shape for masses above A = 20, while more complex behaviour is observed for lighter masses. The isotopic distributions for both reactions preserve a memory on the projectile N/Z ratio over the whole residue mass range. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0801.3110v1-abstract-full').style.display = 'none'; document.getElementById('0801.3110v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 January, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">31 pages, 9 figures, 1 table, background information on http://www.gsi.de/charms</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0711.0101">arXiv:0711.0101</a> <span> [<a href="https://arxiv.org/pdf/0711.0101">pdf</a>, <a href="https://arxiv.org/ps/0711.0101">ps</a>, <a href="https://arxiv.org/format/0711.0101">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> First access to beta half-lives approaching the r-process path near N=126 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Kurtukian-Nieto%2C+T">T. Kurtukian-Nieto</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Becker%2C+F">F. Becker</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Borzov%2C+I+N">I. N. Borzov</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Ordonez%2C+M">M. Fernandez-Ordonez</a>, <a href="/search/nucl-ex?searchtype=author&query=Giovinazzo%2C+J">J. Giovinazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Langanke%2C+K">K. Langanke</a>, <a href="/search/nucl-ex?searchtype=author&query=Martinez-Pinedo%2C+G">G. Martinez-Pinedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0711.0101v1-abstract-short" style="display: inline;"> Heavy neutron-rich nuclei close to N=126 were produced by fragmentation of a 1 A GeV 208Pb beam at the FRS at GSI. The beta-decay half-lives of 8 nuclides have been determined. The comparison of the data with model calculations including an approach based on the self-consistent ground-state description and continuum QRPA considering the Gamow-Teller and first-forbidden decays provide a first ind… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.0101v1-abstract-full').style.display = 'inline'; document.getElementById('0711.0101v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0711.0101v1-abstract-full" style="display: none;"> Heavy neutron-rich nuclei close to N=126 were produced by fragmentation of a 1 A GeV 208Pb beam at the FRS at GSI. The beta-decay half-lives of 8 nuclides have been determined. The comparison of the data with model calculations including an approach based on the self-consistent ground-state description and continuum QRPA considering the Gamow-Teller and first-forbidden decays provide a first indication on the importance of first-forbidden transitions around A=195. The measured data indicate that the matter flow in the r-process to heavier fissioning nuclei is faster than previously expected. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.0101v1-abstract-full').style.display = 'none'; document.getElementById('0711.0101v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 4 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0708.1127">arXiv:0708.1127</a> <span> [<a href="https://arxiv.org/pdf/0708.1127">pdf</a>, <a href="https://arxiv.org/ps/0708.1127">ps</a>, <a href="https://arxiv.org/format/0708.1127">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.100.022701">10.1103/PhysRevLett.100.022701 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Coincidence measurement of residues and light particles in the reaction 56Fe+p at 1 GeV per nucleon with SPALADIN </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Gentil%2C+E+L">E. Le Gentil</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacri%2C+C+O">C. O. Bacri</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianchin%2C+S">S. Bianchin</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%B6hmer%2C+M">M. B枚hmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Brzychczyk%2C+J">J. Brzychczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Combet%2C+M">M. Combet</a>, <a href="/search/nucl-ex?searchtype=author&query=Donadille%2C+L">L. Donadille</a>, <a href="/search/nucl-ex?searchtype=author&query=Ducret%2C+J+E">J. E. Ducret</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez-Ordo%C3%B1ez%2C+M">M. Fernandez-Ordo帽ez</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Johansson%2C+H">H. Johansson</a>, <a href="/search/nucl-ex?searchtype=author&query=Kezzar%2C+K">K. Kezzar</a>, <a href="/search/nucl-ex?searchtype=author&query=Kurtukian-Nieto%2C+T">T. Kurtukian-Nieto</a>, <a href="/search/nucl-ex?searchtype=author&query=Lafriakh%2C+A">A. Lafriakh</a>, <a href="/search/nucl-ex?searchtype=author&query=Lavaud%2C+F">F. Lavaud</a>, <a href="/search/nucl-ex?searchtype=author&query=F%C3%A8vre%2C+A+L">A. Le F猫vre</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=L%C3%BChning%2C+J">J. L眉hning</a>, <a href="/search/nucl-ex?searchtype=author&query=Lukasik%2C+J">J. Lukasik</a>, <a href="/search/nucl-ex?searchtype=author&query=Lynen%2C+U">U. Lynen</a>, <a href="/search/nucl-ex?searchtype=author&query=M%C3%BCller%2C+W+F">W. F. M眉ller</a> , et al. (9 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0708.1127v2-abstract-short" style="display: inline;"> The spallation of $^{56}$Fe in collisions with hydrogen at 1 A GeV has been studied in inverse kinematics with the large-aperture setup SPALADIN at GSI. Coincidences of residues with low-center-of-mass kinetic energy light particles and fragments have been measured allowing the decomposition of the total reaction cross-section into the different possible de-excitation channels. Detailed informat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0708.1127v2-abstract-full').style.display = 'inline'; document.getElementById('0708.1127v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0708.1127v2-abstract-full" style="display: none;"> The spallation of $^{56}$Fe in collisions with hydrogen at 1 A GeV has been studied in inverse kinematics with the large-aperture setup SPALADIN at GSI. Coincidences of residues with low-center-of-mass kinetic energy light particles and fragments have been measured allowing the decomposition of the total reaction cross-section into the different possible de-excitation channels. Detailed information on the evolution of these de-excitation channels with excitation energy has also been obtained. The comparison of the data with predictions of several de-excitation models coupled to the INCL4 intra-nuclear cascade model shows that only GEMINI can reasonably account for the bulk of collected results, indicating that in a light system with no compression and little angular momentum, multifragmentation might not be necessary to explain the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0708.1127v2-abstract-full').style.display = 'none'; document.getElementById('0708.1127v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 August, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 5 figures, revised version accepted in Phys. Rev. Lett</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.100:022701,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0706.0646">arXiv:0706.0646</a> <span> [<a href="https://arxiv.org/pdf/0706.0646">pdf</a>, <a href="https://arxiv.org/ps/0706.0646">ps</a>, <a href="https://arxiv.org/format/0706.0646">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.76.064609">10.1103/PhysRevC.76.064609 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the complete nuclide production and kinetic energies of the system 136Xe + hydrogen at 1 GeV per nucleon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Tassan-Got%2C+L">L. Tassan-Got</a>, <a href="/search/nucl-ex?searchtype=author&query=Armbruster%2C+P">P. Armbruster</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Heinz%2C+A">A. Heinz</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzl%2C+V">V. Henzl</a>, <a href="/search/nucl-ex?searchtype=author&query=Henzlova%2C+D">D. Henzlova</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelic%2C+A">A. Kelic</a>, <a href="/search/nucl-ex?searchtype=author&query=Pleskac%2C+R">R. Pleskac</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+V">M. V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bernas%2C+M">M. Bernas</a>, <a href="/search/nucl-ex?searchtype=author&query=Lafriaskh%2C+A">A. Lafriaskh</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Stephan%2C+C">C. Stephan</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ordonez%2C+M+F">M. Fernandez Ordonez</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+B">B. Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a> , et al. (2 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0706.0646v1-abstract-short" style="display: inline;"> We present an extensive overview of production cross sections and kinetic energies for the complete set of nuclides formed in the spallation of 136Xe by protons at the incident energy of 1 GeV per nucleon. The measurement was performed in inverse kinematics at the FRagment Separator (GSI, Darmstadt). Slightly below the Businaro-Gallone point, 136Xe is the stable nuclide with the largest neutron… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0706.0646v1-abstract-full').style.display = 'inline'; document.getElementById('0706.0646v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0706.0646v1-abstract-full" style="display: none;"> We present an extensive overview of production cross sections and kinetic energies for the complete set of nuclides formed in the spallation of 136Xe by protons at the incident energy of 1 GeV per nucleon. The measurement was performed in inverse kinematics at the FRagment Separator (GSI, Darmstadt). Slightly below the Businaro-Gallone point, 136Xe is the stable nuclide with the largest neutron excess. The kinematic data and cross sections collected in this work for the full nuclide production are a general benchmark for modelling the spallation process in a neutron-rich nuclear system, where fission is characterised by predominantly mass-asymmetric splits. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0706.0646v1-abstract-full').style.display = 'none'; document.getElementById('0706.0646v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 June, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">18 pages, 14 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C76:064609,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/0612001">arXiv:nucl-ex/0612001</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/0612001">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/0612001">ps</a>, <a href="https://arxiv.org/format/nucl-ex/0612001">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.75.044603">10.1103/PhysRevC.75.044603 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Spallation Residues in the Reaction 56Fe + p at 0.3, 0.5, 0.75, 1.0 and 1.5 A GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Villagrasa-Canton%2C+C">C. Villagrasa-Canton</a>, <a href="/search/nucl-ex?searchtype=author&query=Boudard%2C+A">A. Boudard</a>, <a href="/search/nucl-ex?searchtype=author&query=Ducret%2C+J+-">J. -E. Ducret</a>, <a href="/search/nucl-ex?searchtype=author&query=Fernandez%2C+B">B. Fernandez</a>, <a href="/search/nucl-ex?searchtype=author&query=Leray%2C+S">S. Leray</a>, <a href="/search/nucl-ex?searchtype=author&query=Volant%2C+C">C. Volant</a>, <a href="/search/nucl-ex?searchtype=author&query=Armbruster%2C+P">P. Armbruster</a>, <a href="/search/nucl-ex?searchtype=author&query=Enqvist%2C+T">T. Enqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Hammache%2C+F">F. Hammache</a>, <a href="/search/nucl-ex?searchtype=author&query=Helariutta%2C+K">K. Helariutta</a>, <a href="/search/nucl-ex?searchtype=author&query=Jurado%2C+B">B. Jurado</a>, <a href="/search/nucl-ex?searchtype=author&query=Ricciardi%2C+M+-">M. -V. Ricciardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a>, <a href="/search/nucl-ex?searchtype=author&query=Summerer%2C+K">K. Summerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Vives%2C+F">F. Vives</a>, <a href="/search/nucl-ex?searchtype=author&query=Yordanov%2C+O">O. Yordanov</a>, <a href="/search/nucl-ex?searchtype=author&query=Audouin%2C+L">L. Audouin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bacri%2C+C+-">C. -O. Bacri</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferrant%2C+L">L. Ferrant</a>, <a href="/search/nucl-ex?searchtype=author&query=Napolitani%2C+P">P. Napolitani</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Stephan%2C+C">C. Stephan</a>, <a href="/search/nucl-ex?searchtype=author&query=Tassan-Got%2C+L">L. Tassan-Got</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a> , et al. (13 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/0612001v1-abstract-short" style="display: inline;"> The spallation residues produced in the bombardment of 56}Fe at 1.5, 1.0, 0.75, 0.5 and 0.3 A GeV on a liquid-hydrogen target have been measured using the reverse kinematics technique and the Fragment Separator at GSI (Darmstadt). This technique has permitted the full identification in charge and mass of all isotopes produced with cross-sections larger than 10^{-2} mb down to Z=8. Their individu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0612001v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/0612001v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/0612001v1-abstract-full" style="display: none;"> The spallation residues produced in the bombardment of 56}Fe at 1.5, 1.0, 0.75, 0.5 and 0.3 A GeV on a liquid-hydrogen target have been measured using the reverse kinematics technique and the Fragment Separator at GSI (Darmstadt). This technique has permitted the full identification in charge and mass of all isotopes produced with cross-sections larger than 10^{-2} mb down to Z=8. Their individual production cross-sections and recoil velocities at the five energies are presented. Production cross-sections are compared to previously existing data and to empirical parametric formulas, often used in cosmic-ray astrophysics. The experimental data are also extensively compared to different combinations of intra-nuclear cascade and de-excitation models. It is shown that the yields of the lightest isotopes cannot be accounted for by standard evaporation models. The GEMINI model, which includes an asymmetric fission decay mode, gives an overall good agreement with the data. These experimental data can be directly used for the estimation of composition modifications and damages in materials containing iron in spallation sources. They are also useful for improving high precision cosmic-ray measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0612001v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/0612001v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 December, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submited to Phys. Rev. C (10/2006)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C75:044603,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/0511032">arXiv:nucl-ex/0511032</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/0511032">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/0511032">ps</a>, <a href="https://arxiv.org/format/nucl-ex/0511032">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.74.014609">10.1103/PhysRevC.74.014609 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transient and quasi-stationary dissipative effects in the fission flux across the barrier in 1 A GeV 238U on deuterium reactions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Pereira%2C+J">J. Pereira</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmidt%2C+K+-">K. -H. Schmidt</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/0511032v1-abstract-short" style="display: inline;"> Isotopic cross sections of all projectile residues with Z above 23 produced in collisions induced by 238U at 1 A GeV on deuterium have been measured. The isotopic distributions reflect the role of evaporation and fission in the formation process of these nuclei. The comparison of the measured cross sections with Monte-Carlo de-excitation codes including an analytical description of the dynamics… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0511032v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/0511032v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/0511032v1-abstract-full" style="display: none;"> Isotopic cross sections of all projectile residues with Z above 23 produced in collisions induced by 238U at 1 A GeV on deuterium have been measured. The isotopic distributions reflect the role of evaporation and fission in the formation process of these nuclei. The comparison of the measured cross sections with Monte-Carlo de-excitation codes including an analytical description of the dynamics of fission shows the sensitivity of the data to nuclear dissipation. Moreover, the large excitation-energy range covered in this experiment together with the high accuracy of the measured cross sections allowed to clearly separate and quantify the role of transient and quasi-stationary dissipative effects in the fission-decay width. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0511032v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/0511032v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 November, 2005; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2005. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev. 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