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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <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/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/2206.12341">arXiv:2206.12341</a> <span> [<a href="https://arxiv.org/pdf/2206.12341">pdf</a>, <a href="https://arxiv.org/ps/2206.12341">ps</a>, <a href="https://arxiv.org/format/2206.12341">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.105.044607">10.1103/PhysRevC.105.044607 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Analysis of one-neutron transfer reaction in $^{18}$O + $^{76}$Se collision at 275 MeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ciraldo%2C+I">I. Ciraldo</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Burrello%2C+S">S. Burrello</a>, <a href="/search/nucl-ex?searchtype=author&query=Spatafora%2C+A">A. Spatafora</a>, <a href="/search/nucl-ex?searchtype=author&query=Gargano%2C+A">A. Gargano</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Gregorio%2C+G">G. De Gregorio</a>, <a href="/search/nucl-ex?searchtype=author&query=Vsevolodovna%2C+R+I+M">R. I. Maga帽a Vsevolodovna</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Amador-Valenzuela%2C+P">P. Amador-Valenzuela</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Brischetto%2C+G+A">G. A. Brischetto</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Capirossi%2C+V">V. Capirossi</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomel%C3%AD%2C+E+R+C">E. R. Ch谩vez Lomel铆</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Djapo%2C+H">H. Djapo</a>, <a href="/search/nucl-ex?searchtype=author&query=Eke%2C+C">C. Eke</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Firat%2C+S">S. Firat</a>, <a href="/search/nucl-ex?searchtype=author&query=Fisichella%2C+M">M. Fisichella</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="2206.12341v1-abstract-short" style="display: inline;"> Purpose: We want to analyze transitions to low-lying excited states of the residual and ejectile nuclei in the 76Se(18O, 17O) 77Se one-neutron stripping reaction at 275-MeV incident energy and determine the role of single-particle and core excitation in the description of the measured cross sections. In addition, we explore the sensitivity of the calculated cross section to different nuclear struc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.12341v1-abstract-full').style.display = 'inline'; document.getElementById('2206.12341v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2206.12341v1-abstract-full" style="display: none;"> Purpose: We want to analyze transitions to low-lying excited states of the residual and ejectile nuclei in the 76Se(18O, 17O) 77Se one-neutron stripping reaction at 275-MeV incident energy and determine the role of single-particle and core excitation in the description of the measured cross sections. In addition, we explore the sensitivity of the calculated cross section to different nuclear structure models. Methods: The excitation energy spectrum and the differential cross-section angular distributions are measured using the MAGNEX large acceptance magnetic spectrometer for the detection of the ejectiles and the missing mass technique for the reconstruction of the reaction kinematics. The data are compared with calculations based on distorted-wave Born approximation, coupled-channels Born approximation, and coupled reaction channels adopting spectroscopic amplitudes for the projectile and target overlaps derived by large-scale shell-model calculations and interacting boson-fermion model. Results: Peaks in the energy spectra corresponding to groups of unresolved transitions to 77Se and 17O are identified. The experimental cross sections are extracted and compared to theoretical calculations. A remarkable agreement is found, without using any scaling factors, demonstrating that the adopted models for nuclear structure and reaction take into account the relevant aspects of the studied processes. The main transitions which contribute to the cross section of each peak are identified. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.12341v1-abstract-full').style.display = 'none'; document.getElementById('2206.12341v1-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 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">15 pages, 4 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 105, 044607 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.05918">arXiv:2202.05918</a> <span> [<a href="https://arxiv.org/pdf/2202.05918">pdf</a>, <a href="https://arxiv.org/format/2202.05918">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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/10.1103/PhysRevC.105.024616">10.1103/PhysRevC.105.024616 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Multi-channel experimental and theoretical constraints for the $^{116}$Cd($^{20}$Ne,$^{20}$F)$^{116}$In charge exchange reaction at 306 MeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Burrello%2C+S">S. Burrello</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Lay%2C+J+A">J. A. Lay</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenske%2C+H">H. Lenske</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferreira%2C+J+L">J. L. Ferreira</a>, <a href="/search/nucl-ex?searchtype=author&query=Firat%2C+S">S. Firat</a>, <a href="/search/nucl-ex?searchtype=author&query=Hacisalihoglu%2C+A">A. Hacisalihoglu</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Fauci%2C+L">L. La Fauci</a>, <a href="/search/nucl-ex?searchtype=author&query=Spatafora%2C+A">A. Spatafora</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellone%2C+J+I">J. I. Bellone</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Brischetto%2C+G+A">G. A. Brischetto</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Ch%C3%A1vez-Lomel%C3%AD%2C+E+R">E. R. Ch谩vez-Lomel铆</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciraldo%2C+I">I. Ciraldo</a>, <a href="/search/nucl-ex?searchtype=author&query=Cutuli%2C+M">M. Cutuli</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a> , et al. (21 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="2202.05918v1-abstract-short" style="display: inline;"> Charge exchange (CE) reactions offer a major opportunity to excite nuclear isovector modes, providing clues about the nuclear interaction in the medium. Moreover, double charge exchange (DCE) reactions are proving to be a tempting tool to access nuclear transition matrix elements (NME) related to double beta-decay processes. Through a multi-channel experimental analysis and a consistent theoretica… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.05918v1-abstract-full').style.display = 'inline'; document.getElementById('2202.05918v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.05918v1-abstract-full" style="display: none;"> Charge exchange (CE) reactions offer a major opportunity to excite nuclear isovector modes, providing clues about the nuclear interaction in the medium. Moreover, double charge exchange (DCE) reactions are proving to be a tempting tool to access nuclear transition matrix elements (NME) related to double beta-decay processes. Through a multi-channel experimental analysis and a consistent theoretical approach of the $^{116}$Cd($^{20}$Ne,$^{20}$F)$^{116}$In single charge exchange (SCE) reaction at 306 MeV, we aim at disentangling from the experimental cross section the contribution of the competing mechanisms, associated with second or higher order sequential transfer and inelastic processes. We measured excitation energy spectra and absolute cross sections for elastic + inelastic, one-proton transfer and SCE channels, using the MAGNEX large acceptance magnetic spectrometer to detect the ejectiles. For the first two channels, we also extracted the experimental cross section angular distributions. The experimental data are compared with theoretical predictions obtained by performing two-step distorted wave Born approximation and coupled reaction channel calculations. We employ spectroscopic amplitudes for single-particle transitions derived within a large-scale shell model approach and different optical potentials for modeling the initial and the final state interactions. The present study significantly mitigates the possible model dependence existing in the description of these complex reaction mechanisms, thanks to the reproduction of several channels at once. In particular, our work demonstrates that the two-step transfer mechanisms produce a non negligible contribution to the total cross section of the $^{116}$Cd($^{20}$Ne,$^{20}$F)$^{116}$In reaction channel, although a relevant fraction is still missing, being ascribable to the direct SCE mechanism, which is not addressed here. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.05918v1-abstract-full').style.display = 'none'; document.getElementById('2202.05918v1-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 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">21 pages, 11 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/2110.13092">arXiv:2110.13092</a> <span> [<a href="https://arxiv.org/pdf/2110.13092">pdf</a>, <a href="https://arxiv.org/format/2110.13092">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.2020.164500">10.1016/j.nima.2020.164500 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Analysis of the background on cross section measurements with the MAGNEX spectrometer: the (20Ne,20O) Double Charge Exchange case </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Torresi%2C+D">D. Torresi</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Brischetto%2C+G+A">G. A. Brischetto</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciraldo%2C+I">I. Ciraldo</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmukh%2C+N">N. Deshmukh</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Faria%2C+P+N">P. N. de Faria</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Foti%2C+A">A. Foti</a>, <a href="/search/nucl-ex?searchtype=author&query=Gallo%2C+G">G. Gallo</a>, <a href="/search/nucl-ex?searchtype=author&query=Hacisalihoglu%2C+A">A. Hacisalihoglu</a>, <a href="/search/nucl-ex?searchtype=author&query=Iazzi%2C+F">F. Iazzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Introzzi%2C+R">R. Introzzi</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Fauci%2C+L">L. La Fauci</a>, <a href="/search/nucl-ex?searchtype=author&query=Lanzalone%2C+G">G. Lanzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Linares%2C+R">R. Linares</a> , et al. (18 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="2110.13092v1-abstract-short" style="display: inline;"> The MAGNEX magnetic spectrometer is used in the experimental measurements of Double Charge Exchange and Multi-Nucleon Transfer reactions induced by heavy ions within the NUMEN project. These processes are characterized by small cross sections under a large background due to other reaction channels. Therefore an accurate control of the signal to background ratio is mandatory. In this article, the d… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.13092v1-abstract-full').style.display = 'inline'; document.getElementById('2110.13092v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.13092v1-abstract-full" style="display: none;"> The MAGNEX magnetic spectrometer is used in the experimental measurements of Double Charge Exchange and Multi-Nucleon Transfer reactions induced by heavy ions within the NUMEN project. These processes are characterized by small cross sections under a large background due to other reaction channels. Therefore an accurate control of the signal to background ratio is mandatory. In this article, the determination of the MAGNEX spectrometer background contribution on cross section measurements is presented by applying a suitable analysis to quantify the limits of the adopted particle identification technique. The method is discussed considering the 116Cd(20Ne,20O)116Sn Double Charge Exchange reaction data, however it can be applied to any other reaction channel of interest. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.13092v1-abstract-full').style.display = 'none'; document.getElementById('2110.13092v1-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 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Instrum. Methods Phys. Res. A 980 (2020) 164500 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.10634">arXiv:2110.10634</a> <span> [<a href="https://arxiv.org/pdf/2110.10634">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> <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.102.044606">10.1103/PhysRevC.102.044606 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Analysis of two-nucleon transfer reactions in the 20Ne + 116Cd system at 306 MeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferreira%2C+J+L">J. L. Ferreira</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Hacisalihoglu%2C+A">A. Hacisalihoglu</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenske%2C+H">H. Lenske</a>, <a href="/search/nucl-ex?searchtype=author&query=Lubian%2C+J">J. Lubian</a>, <a href="/search/nucl-ex?searchtype=author&query=Vsevolodovna%2C+R+I+M">R. I. Magana Vsevolodovna</a>, <a href="/search/nucl-ex?searchtype=author&query=Santopinto%2C+E">E. Santopinto</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Brischetto%2C+G+A">G. A. Brischetto</a>, <a href="/search/nucl-ex?searchtype=author&query=Burrello%2C+S">S. Burrello</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomel%C3%AD%2C+E+R+C">E. R. Ch谩vez Lomel铆</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciraldo%2C+I">I. Ciraldo</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmukh%2C+N">N. Deshmukh</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Fisichella%2C+M">M. Fisichella</a> , et al. (24 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="2110.10634v1-abstract-short" style="display: inline;"> Background: Heavy-ion induced two-nucleon transfer reactions are powerful tools to reveal peculiar aspects of the atomic nucleus, such as pairing correlations, single-particle and collective degrees of freedom, and more. Also, these processes are in competition with the direct meson exchange in the double charge exchange reactions, which have recently attracted great interest due to their possible… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.10634v1-abstract-full').style.display = 'inline'; document.getElementById('2110.10634v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.10634v1-abstract-full" style="display: none;"> Background: Heavy-ion induced two-nucleon transfer reactions are powerful tools to reveal peculiar aspects of the atomic nucleus, such as pairing correlations, single-particle and collective degrees of freedom, and more. Also, these processes are in competition with the direct meson exchange in the double charge exchange reactions, which have recently attracted great interest due to their possible connection to neutrinoless double-beta decay. In this framework, the exploration of two-nucleon transfer reactions in the 20Ne+116Cd collision at energies above the Coulomb barrier is particularly relevant since the 116Cd nucleus is a candidate for the double-beta decay. Methods: We measured the excitation energy spectra and absolute cross sections for the two reactions using the MAGNEX large acceptance magnetic spectrometer to detect the ejectiles. We performed direct coupled reaction channels and sequential distorted wave Born approximation calculations using the double folding S茫o Paulo potential to model the initial and final state interactions. The spectroscopic amplitudes for two- and singleparticle transitions were derived by different nuclear structure approaches: microscopic large-scale shell model, interacting boson model-2 and quasiparticle random phase approximation. Results: The calculations are able to reproduce the experimental cross sections for both two-neutron and twoproton transfer reactions. The role of couplings with the inelastic channels are found to be important in the two-proton transfer case. A competition between the direct and the sequential process is found in the reaction mechanism. For the two-proton transfer case, the inclusion of the 1g7/2 and 2d5/2 orbitals in the model space is crucial. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.10634v1-abstract-full').style.display = 'none'; document.getElementById('2110.10634v1-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 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2108.06145">arXiv:2108.06145</a> <span> [<a href="https://arxiv.org/pdf/2108.06145">pdf</a>, <a href="https://arxiv.org/format/2108.06145">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> <p class="title is-5 mathjax"> The 27Al(p,a)24Mg reaction at astrophysical energies studied by means of the Trojan Horse Method applied to the 2H(27Al,a24Mg)n reaction </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Palmerini%2C+S">Sara Palmerini</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Cognata%2C+M">Marco La Cognata</a>, <a href="/search/nucl-ex?searchtype=author&query=Hammache%2C+F">Fairouz Hammache</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">Luis Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Alba%2C+R">Rosa Alba</a>, <a href="/search/nucl-ex?searchtype=author&query=Burjan%2C+V">Vaclav Burjan</a>, <a href="/search/nucl-ex?searchtype=author&query=Chavez%2C+E">Efrain Chavez</a>, <a href="/search/nucl-ex?searchtype=author&query=Cherubini%2C+S">Silvio Cherubini</a>, <a href="/search/nucl-ex?searchtype=author&query=Cvetinovic%2C+A">Alexandra Cvetinovic</a>, <a href="/search/nucl-ex?searchtype=author&query=D%27Agata%2C+G">Giuseppe D'Agata</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Sereville%2C+N">Nicolas De Sereville</a>, <a href="/search/nucl-ex?searchtype=author&query=Di+Pietro%2C+A">Alessia Di Pietro</a>, <a href="/search/nucl-ex?searchtype=author&query=Figuera%2C+P">Pierpaolo Figuera</a>, <a href="/search/nucl-ex?searchtype=author&query=Fullop%2C+Z">Zsolt Fullop</a>, <a href="/search/nucl-ex?searchtype=author&query=Rios%2C+K+D+L">Karen De Los Rios</a>, <a href="/search/nucl-ex?searchtype=author&query=Guardo%2C+G+L">Giovanni Luca Guardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Gulino%2C+M">Marisa Gulino</a>, <a href="/search/nucl-ex?searchtype=author&query=Hayakawa%2C+S">Seiya Hayakawa</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiss%2C+G">Gabor Kiss</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Commara%2C+M">Marco La Commara</a>, <a href="/search/nucl-ex?searchtype=author&query=Lamia%2C+L">Livio Lamia</a>, <a href="/search/nucl-ex?searchtype=author&query=Manic%C3%B2%2C+C+M+G">Concetta Maiolino Giulio Manic貌</a>, <a href="/search/nucl-ex?searchtype=author&query=Matei%2C+C">Catalin Matei</a>, <a href="/search/nucl-ex?searchtype=author&query=Mazzocco%2C+M">Marco Mazzocco</a>, <a href="/search/nucl-ex?searchtype=author&query=Mrazek%2C+J">Jaromir Mrazek</a> , et al. (11 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="2108.06145v1-abstract-short" style="display: inline;"> The 27Al(p,a)24Mg reaction, which drives the destruction of 27Al and the production of 24Mg in stellar hydrogen burning, has been investigated via the Trojan Horse Method (THM) by measuring the 2H(27Al,a24Mg)n three-body reaction. The experiment covered a broad energy range (-0.5 MeV < E_cm < 1.5 MeV), aiming to investigate those of interest for astrophysics.The results confirm the THM as a valuab… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.06145v1-abstract-full').style.display = 'inline'; document.getElementById('2108.06145v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2108.06145v1-abstract-full" style="display: none;"> The 27Al(p,a)24Mg reaction, which drives the destruction of 27Al and the production of 24Mg in stellar hydrogen burning, has been investigated via the Trojan Horse Method (THM) by measuring the 2H(27Al,a24Mg)n three-body reaction. The experiment covered a broad energy range (-0.5 MeV < E_cm < 1.5 MeV), aiming to investigate those of interest for astrophysics.The results confirm the THM as a valuable technique for the experimental study of fusion reactions at very low energies and suggest the presence of a rich pattern of resonances in the energy region close to the Gamow window of stellar hydrogen burning (70-120 keV), with potential impact on astrophysics. To estimate such an impact a second run of the experiment is needed, since the background due the three-body reaction hampered to collect enough data to resolve the resonant structures and extract the reaction rate. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2108.06145v1-abstract-full').style.display = 'none'; document.getElementById('2108.06145v1-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 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">8 pages, accepted for publication by EPJ Plus</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2002.02761">arXiv:2002.02761</a> <span> [<a href="https://arxiv.org/pdf/2002.02761">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"> NURE: An ERC project to study nuclear reactions for neutrinoless double beta decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Aciksoz%2C+E">E. Aciksoz</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Auerbach%2C+N">N. Auerbach</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellone%2C+J">J. Bellone</a>, <a href="/search/nucl-ex?searchtype=author&query=Bijker%2C+R">R. Bijker</a>, <a href="/search/nucl-ex?searchtype=author&query=Bianco%2C+S">S. Bianco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello%2C+T">T. Borello</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Branchina%2C+V">V. Branchina</a>, <a href="/search/nucl-ex?searchtype=author&query=Bussa%2C+M+P">M. P. Bussa</a>, <a href="/search/nucl-ex?searchtype=author&query=Busso%2C+L">L. Busso</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabretta%2C+L">L. Calabretta</a>, <a href="/search/nucl-ex?searchtype=author&query=Calanna%2C+A">A. Calanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomeli%2C+E+R+C">E. R. Chavez Lomeli</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Agostino%2C+G+D">G. D Agostino</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmuk%2C+N">N. Deshmuk</a> , et al. (49 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="2002.02761v1-abstract-short" style="display: inline;"> Neutrinoless double beta decay (0谓\b{eta}\b{eta}) is considered the best potential resource to determine the absolute neutrino mass scale. Moreover, if observed, it will signal that the total lepton number is not conserved and neutrinos are their own anti-particles. Presently, this physics case is one of the most important research beyond Standard Model and might guide the way towards a Grand Unif… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2002.02761v1-abstract-full').style.display = 'inline'; document.getElementById('2002.02761v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2002.02761v1-abstract-full" style="display: none;"> Neutrinoless double beta decay (0谓\b{eta}\b{eta}) is considered the best potential resource to determine the absolute neutrino mass scale. Moreover, if observed, it will signal that the total lepton number is not conserved and neutrinos are their own anti-particles. Presently, this physics case is one of the most important research beyond Standard Model and might guide the way towards a Grand Unified Theory of fundamental interactions. Since the \b{eta}\b{eta} decay process involves nuclei, its analysis necessarily implies nuclear structure issues. The 0谓\b{eta}\b{eta} decay rate can be expressed as a product of independent factors: the phase-space factors, the nuclear matrix elements (NME) and a function of the masses of the neutrino species. Thus the knowledge of the NME can give information on the neutrino mass scale, if the 0谓\b{eta}\b{eta} decay rate is measured. In the NURE project, supported by a Starting Grant of the European Research Council, nuclear reactions of double charge-exchange (DCE) will be used as a tool to extract information on the \b{eta}\b{eta} NME. In DCE reactions and \b{eta}\b{eta} decay, the initial and final nuclear states are the same and the transition operators have similar structure. Thus the measurement of the DCE absolute crosssections can give crucial information on \b{eta}\b{eta} matrix elements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2002.02761v1-abstract-full').style.display = 'none'; document.getElementById('2002.02761v1-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 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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: substantial text overlap with arXiv:2001.09657; text overlap with arXiv:2001.09648</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.09674">arXiv:2001.09674</a> <span> [<a href="https://arxiv.org/pdf/2001.09674">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"> Charge-state distributions of 20Ne ions emerging from thin foils </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Santagati%2C+G">G. Santagati</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Linares%2C+R">R. Linares</a>, <a href="/search/nucl-ex?searchtype=author&query=Torresi%2C+D">D. Torresi</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomeli%2C+E+R+C">E. R. Chavez Lomeli</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Faria%2C+P+N">P. N. De Faria</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmukh%2C+N">N. Deshmukh</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Fisichella%2C+M">M. Fisichella</a>, <a href="/search/nucl-ex?searchtype=author&query=Foti%2C+A">A. Foti</a>, <a href="/search/nucl-ex?searchtype=author&query=Gallo%2C+G">G. Gallo</a>, <a href="/search/nucl-ex?searchtype=author&query=Hacisalihoglu%2C+A">A. Hacisalihoglu</a>, <a href="/search/nucl-ex?searchtype=author&query=Iazzi%2C+F">F. Iazzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Introzzi%2C+R">R. Introzzi</a> , et al. (20 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="2001.09674v1-abstract-short" style="display: inline;"> New experimental measurements of charge state distributions produced by a 20Ne10+ beam at 15 MeV/u colliding on various thin solid targets are presented. The use of the MAGNEX magnetic spectrometer enabled measurements of the 8+ charge state down to fractions of a few 10-5. The use of different post-stripper foils located downstream of the main target is explored, showing that low Z materials are… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09674v1-abstract-full').style.display = 'inline'; document.getElementById('2001.09674v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.09674v1-abstract-full" style="display: none;"> New experimental measurements of charge state distributions produced by a 20Ne10+ beam at 15 MeV/u colliding on various thin solid targets are presented. The use of the MAGNEX magnetic spectrometer enabled measurements of the 8+ charge state down to fractions of a few 10-5. The use of different post-stripper foils located downstream of the main target is explored, showing that low Z materials are particularly effective to shift the charge state distributions towards fully stripped conditions. The dependence on the foil thickness is also studied and discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09674v1-abstract-full').style.display = 'none'; document.getElementById('2001.09674v1-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 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.09648">arXiv:2001.09648</a> <span> [<a href="https://arxiv.org/pdf/2001.09648">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/10.1088/1742-6596/966/1/012021">10.1088/1742-6596/966/1/012021 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measuring nuclear reaction cross sections to extract information on neutrinoless double beta decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Auerbach%2C+N">N. Auerbach</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellone%2C+J">J. Bellone</a>, <a href="/search/nucl-ex?searchtype=author&query=Bijker%2C+R">R. Bijker</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Branchina%2C+V">V. Branchina</a>, <a href="/search/nucl-ex?searchtype=author&query=Bussa%2C+M+P">M. P. Bussa</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabretta%2C+L">L. Calabretta</a>, <a href="/search/nucl-ex?searchtype=author&query=Calanna%2C+A">A. Calanna</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomel%C3%AD%2C+E+R+C">E. R. Ch谩vez Lomel铆</a>, <a href="/search/nucl-ex?searchtype=author&query=Coban%2C+A">A. Coban</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=D%27Agostino%2C+G">G. D'Agostino</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Geronimo%2C+G">G. De Geronimo</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmukh%2C+N">N. Deshmukh</a> , et al. (50 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="2001.09648v1-abstract-short" style="display: inline;"> Neutrinoless double beta decay (0v\b{eta}\b{eta}) is considered the best potential resource to access the absolute neutrino mass scale. Moreover, if observed, it will signal that neutrinos are their own anti-particles (Majorana particles). Presently, this physics case is one of the most important research "beyond Standard Model" and might guide the way towards a Grand Unified Theory of fundamental… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09648v1-abstract-full').style.display = 'inline'; document.getElementById('2001.09648v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.09648v1-abstract-full" style="display: none;"> Neutrinoless double beta decay (0v\b{eta}\b{eta}) is considered the best potential resource to access the absolute neutrino mass scale. Moreover, if observed, it will signal that neutrinos are their own anti-particles (Majorana particles). Presently, this physics case is one of the most important research "beyond Standard Model" and might guide the way towards a Grand Unified Theory of fundamental interactions. Since the 0v\b{eta}\b{eta} decay process involves nuclei, its analysis necessarily implies nuclear structure issues. In the NURE project, supported by a Starting Grant of the European Research Council (ERC), nuclear reactions of double charge-exchange (DCE) are used as a tool to extract information on the 0v\b{eta}\b{eta} Nuclear Matrix Elements. In DCE reactions and \b{eta}\b{eta} decay indeed the initial and final nuclear states are the same and the transition operators have similar structure. Thus the measurement of the DCE absolute cross-sections can give crucial information on \b{eta}\b{eta} matrix elements. In a wider view, the NUMEN international collaboration plans a major upgrade of the INFN-LNS facilities in the next years in order to increase the experimental production of nuclei of at least two orders of magnitude, thus making feasible a systematic study of all the cases of interest as candidates for 0v\b{eta}\b{eta}. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09648v1-abstract-full').style.display = 'none'; document.getElementById('2001.09648v1-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 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IOP Conf. Series: Journal of Physics: Conf. Series 966 (2018) 01202 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1910.03000">arXiv:1910.03000</a> <span> [<a href="https://arxiv.org/pdf/1910.03000">pdf</a>, <a href="https://arxiv.org/format/1910.03000">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.100.034620">10.1103/PhysRevC.100.034620 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> 20Ne + 76Ge elastic and inelastic scattering at 306 MeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Spatafora%2C+A">A. Spatafora</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Lay%2C+J+A">J. A. Lay</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Brischetto%2C+G+A">G. A. Brischetto</a>, <a href="/search/nucl-ex?searchtype=author&query=Burrello%2C+S">S. Burrello</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Lomel%C3%AD%2C+E+R+C">E. R. Ch脿vez Lomel铆</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciraldo%2C+I">I. Ciraldo</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaunay%2C+F">F. Delaunay</a>, <a href="/search/nucl-ex?searchtype=author&query=Deshmukh%2C+N">N. Deshmukh</a>, <a href="/search/nucl-ex?searchtype=author&query=Ferreira%2C+J+L">J. L. Ferreira</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Fisichella%2C+M">M. Fisichella</a>, <a href="/search/nucl-ex?searchtype=author&query=Foti%2C+A">A. Foti</a>, <a href="/search/nucl-ex?searchtype=author&query=Gallo%2C+G">G. Gallo</a>, <a href="/search/nucl-ex?searchtype=author&query=Hacisalihoglu%2C+A">A. Hacisalihoglu</a> , et al. (24 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="1910.03000v1-abstract-short" style="display: inline;"> Background: Double charge exchange (DCE) nuclear reactions have recently attracted much interest as tools to provide experimentally driven information about nuclear matrix elements of interest in the context of neutrinoless double-beta decay. In this framework, a good description of the reaction mechanism and a complete knowledge of the initial and final-state interactions are mandatory. Presently… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.03000v1-abstract-full').style.display = 'inline'; document.getElementById('1910.03000v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1910.03000v1-abstract-full" style="display: none;"> Background: Double charge exchange (DCE) nuclear reactions have recently attracted much interest as tools to provide experimentally driven information about nuclear matrix elements of interest in the context of neutrinoless double-beta decay. In this framework, a good description of the reaction mechanism and a complete knowledge of the initial and final-state interactions are mandatory. Presently, not enough is known about the details of the optical potentials and nuclear response to isospin operators for many of the projectile-target systems proposed for future DCE studies. Among these, the 20Ne + 76Ge DCE reaction is particularly relevant due to its connection with 76Ge double-beta decay. Purpose: We intend to characterize the initial-state interaction for the 20Ne + 76Ge reactions at 306 MeV bombarding energy and determine the optical potential and the role of the couplings between elastic channel and inelastic transitions to the first low-lying excited states. Methods: We determine the experimental elastic and inelastic scattering cross-section angular distributions, compare the theoretical predictions by adopting different models of optical potentials with the experimental data, and evaluate the coupling effect through the comparison of the distorted-wave Born approximation calculations with the coupled channels ones. Results: Optical models fail to describe the elastic angular distribution above the grazing angle (9.4掳). A correction in the geometry to effectively account for deformation of the involved nuclear systems improves the agreement up to about 14掳. Coupled channels effects are crucial to obtain good agreement at large angles in the elastic scattering cross section. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.03000v1-abstract-full').style.display = 'none'; document.getElementById('1910.03000v1-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 October, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review C 100, 034620 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1907.05471">arXiv:1907.05471</a> <span> [<a href="https://arxiv.org/pdf/1907.05471">pdf</a>, <a href="https://arxiv.org/format/1907.05471">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.100.034320">10.1103/PhysRevC.100.034320 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental investigation of $伪$-condensation in light nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Bishop%2C+J">Jack Bishop</a>, <a href="/search/nucl-ex?searchtype=author&query=Kokalova%2C+T">Tzany Kokalova</a>, <a href="/search/nucl-ex?searchtype=author&query=Freer%2C+M">Martin Freer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Assie%2C+M">M Assie</a>, <a href="/search/nucl-ex?searchtype=author&query=Bailey%2C+S">S Bailey</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=Curtis%2C+N">N Curtis</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=Dell%27Aquila%2C+D">D Dell'Aquila</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Luca%2C+S">S De Luca</a>, <a href="/search/nucl-ex?searchtype=author&query=Francalanza%2C+L">L Francalanza</a>, <a href="/search/nucl-ex?searchtype=author&query=Gnoffo%2C+B">B Gnoffo</a>, <a href="/search/nucl-ex?searchtype=author&query=Lanzalone%2C+G">G Lanzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Martorana%2C+N+S">N. S. Martorana</a>, <a href="/search/nucl-ex?searchtype=author&query=Norella%2C+S">S Norella</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+A">A Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+E+V">E. V. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Papa%2C+M">M. Papa</a>, <a href="/search/nucl-ex?searchtype=author&query=Pirrone%2C+S">S. Pirrone</a>, <a href="/search/nucl-ex?searchtype=author&query=Politi%2C+G">G Politi</a>, <a href="/search/nucl-ex?searchtype=author&query=Rizzo%2C+F">F Rizzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Russotto%2C+P">P Russotto</a>, <a href="/search/nucl-ex?searchtype=author&query=Quattrocchi%2C+L">L Quattrocchi</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="1907.05471v2-abstract-short" style="display: inline;"> Method: To examine signatures of this alpha-condensation, a compound nucleus reaction using 160, 280, and 400 MeV 16O beams impinging on a carbon target was used to investigate the 12C(16O,7a) reaction. This permits a search for near-threshold states in the alpha-conjugate nuclei up to 24Mg. Results: Events up to an alpha-particle multiplicity of 7 were measured and the results were compared to bo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.05471v2-abstract-full').style.display = 'inline'; document.getElementById('1907.05471v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.05471v2-abstract-full" style="display: none;"> Method: To examine signatures of this alpha-condensation, a compound nucleus reaction using 160, 280, and 400 MeV 16O beams impinging on a carbon target was used to investigate the 12C(16O,7a) reaction. This permits a search for near-threshold states in the alpha-conjugate nuclei up to 24Mg. Results: Events up to an alpha-particle multiplicity of 7 were measured and the results were compared to both an Extended Hauser-Feshbach calculation and the Fermi break-up model. The measured multiplicity distribution exceeded that predicted from a sequential decay mechanism and had a better agreement with the multi-particle Fermi break-up model. Examination of how these 7 alpha final states could be reconstructed to form 8Be and 12C(0_2+) showed a quantitative difference in which decay modes were dominant compared to the Fermi break-up model. No new states were observed in 16O, 20Ne, and 24Mg due to the effect of the N-alpha penetrability suppressing the total alpha-particle dissociation decay mode. Conclusion: The reaction mechanism for a high energy compound nucleus reaction can only be described by a hybrid of sequential decay and multi-particle breakup. Highly alpha-clustered states were seen which did not originate from simple binary reaction processes. Direct investigations of near-threshold states in N-alpha systems are inherently impeded by the Coulomb barrier prohibiting the observation of states in the N-alpha decay channel. No evidence of a highly clustered 15.1 MeV state in 16O was observed from (28Si*,12C(0_2+))16O(0_6+) when reconstructing the Hoyle state from 3 alpha-particles. Therefore, no experimental signatures for alpha-condensation were observed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.05471v2-abstract-full').style.display = 'none'; document.getElementById('1907.05471v2-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> 19 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 100, 034320 (2019) </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/1811.08693">arXiv:1811.08693</a> <span> [<a href="https://arxiv.org/pdf/1811.08693">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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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/10.1140/epja/i2018-12509-3">10.1140/epja/i2018-12509-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The NUMEN project: NUclear Matrix Elements for Neutrinoless double beta decay </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Tudisco%2C+S">S. Tudisco</a>, <a href="/search/nucl-ex?searchtype=author&query=Presti%2C+D+L">D. Lo Presti</a>, <a href="/search/nucl-ex?searchtype=author&query=Oliveira%2C+J+R+B">J. R. B. Oliveira</a>, <a href="/search/nucl-ex?searchtype=author&query=Finocchiaro%2C+P">P. Finocchiaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+M">M. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Rifuggiato%2C+D">D. Rifuggiato</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabretta%2C+L">L. Calabretta</a>, <a href="/search/nucl-ex?searchtype=author&query=Calvo%2C+D">D. Calvo</a>, <a href="/search/nucl-ex?searchtype=author&query=Pandola%2C+L">L. Pandola</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Auerbach%2C+N">N. Auerbach</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellone%2C+J">J. Bellone</a>, <a href="/search/nucl-ex?searchtype=author&query=Bijker%2C+R">R. Bijker</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonanno%2C+D">D. Bonanno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bongiovanni%2C+D">D. Bongiovanni</a>, <a href="/search/nucl-ex?searchtype=author&query=Borello-Lewin%2C+T">T. Borello-Lewin</a>, <a href="/search/nucl-ex?searchtype=author&query=Boztosun%2C+I">I. Boztosun</a>, <a href="/search/nucl-ex?searchtype=author&query=Brunasso%2C+O">O. Brunasso</a>, <a href="/search/nucl-ex?searchtype=author&query=Burrello%2C+S">S. Burrello</a>, <a href="/search/nucl-ex?searchtype=author&query=Calabrese%2C+S">S. Calabrese</a>, <a href="/search/nucl-ex?searchtype=author&query=Calanna%2C+A">A. Calanna</a> , et al. (46 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="1811.08693v1-abstract-short" style="display: inline;"> The article describes the main achievements of the NUMEN project together with an updated and detailed overview of the related R&D activities and theoretical developments. NUMEN proposes an innovative technique to access the nuclear matrix elements entering the expression of the lifetime of the double beta decay by cross section measurements of heavy-ion induced Double Charge Exchange (DCE) reacti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.08693v1-abstract-full').style.display = 'inline'; document.getElementById('1811.08693v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1811.08693v1-abstract-full" style="display: none;"> The article describes the main achievements of the NUMEN project together with an updated and detailed overview of the related R&D activities and theoretical developments. NUMEN proposes an innovative technique to access the nuclear matrix elements entering the expression of the lifetime of the double beta decay by cross section measurements of heavy-ion induced Double Charge Exchange (DCE) reactions. Despite the two processes, namely neutrinoless double beta decay and DCE reactions, are triggered by the weak and strong interaction respectively, important analogies are suggested. The basic point is the coincidence of the initial and final state many-body wave-functions in the two types of processes and the formal similarity of the transition operators. First experimental results obtained at the INFN-LNS laboratory for the 40Ca(18O,18Ne)40Ar reaction at 270 MeV, give encouraging indication on the capability of the proposed technique to access relevant quantitative information. The two major aspects for this project are the K800 Superconducting Cyclotron and MAGNEX spectrometer. The former is used for the acceleration of the required high resolution and low emittance heavy ion beams and the latter is the large acceptance magnetic spectrometer for the detection of the ejectiles. The use of the high-order trajectory reconstruction technique, implemented in MAGNEX, allows to reach the experimental resolution and sensitivity required for the accurate measurement of the DCE cross sections at forward angles. However, the tiny values of such cross sections and the resolution requirements demand beam intensities much larger than manageable with the present facility. The on-going upgrade of the INFN-LNS facilities in this perspective is part of the NUMEN project and will be discussed in the article. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.08693v1-abstract-full').style.display = 'none'; document.getElementById('1811.08693v1-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 November, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2018. </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/1803.03046">arXiv:1803.03046</a> <span> [<a href="https://arxiv.org/pdf/1803.03046">pdf</a>, <a href="https://arxiv.org/ps/1803.03046">ps</a>, <a href="https://arxiv.org/format/1803.03046">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"> Isospin influence on dynamical production of Intermediate Mass Fragments at Fermi Energies </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Russotto%2C+P">P. Russotto</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=Pagano%2C+E+V">E. V. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Auditore%2C+L">L. Auditore</a>, <a href="/search/nucl-ex?searchtype=author&query=Cap%2C+T">T. Cap</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G. Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Luca%2C+S">S. De Luca</a>, <a href="/search/nucl-ex?searchtype=author&query=Gnoffo%2C+B">B. Gnoffo</a>, <a href="/search/nucl-ex?searchtype=author&query=Lanzalone%2C+G">G. Lanzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I. Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Maiolino%2C+C">C. Maiolino</a>, <a href="/search/nucl-ex?searchtype=author&query=Martorana%2C+N+S">N. S. Martorana</a>, <a href="/search/nucl-ex?searchtype=author&query=Minniti%2C+T">T. Minniti</a>, <a href="/search/nucl-ex?searchtype=author&query=Norella%2C+S">S. Norella</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+A">A. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Papa%2C+M">M. Papa</a>, <a href="/search/nucl-ex?searchtype=author&query=Piasecki%2C+E">E. Piasecki</a>, <a href="/search/nucl-ex?searchtype=author&query=Pirrone%2C+S">S. Pirrone</a>, <a href="/search/nucl-ex?searchtype=author&query=Politi%2C+G">G. Politi</a>, <a href="/search/nucl-ex?searchtype=author&query=Porto%2C+F">F. Porto</a>, <a href="/search/nucl-ex?searchtype=author&query=Quattrocchi%2C+L">L. Quattrocchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Rizzo%2C+F">F. Rizzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Rosato%2C+E">E. Rosato</a>, <a href="/search/nucl-ex?searchtype=author&query=Siwek-Wilczy%C5%84ska%2C+K">K. Siwek-Wilczy艅ska</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="1803.03046v1-abstract-short" style="display: inline;"> The Intermediate Mass Fragments emission probability from Projectile-Like Fragment break-up in semi-peripheral reactions has been measured in collisions of $^{124}$Xe projectiles with two different targets of $^{64}$Ni and $^{64}$Zn at the laboratory energy of 35 \amev. The two colliding systems differ only for the target atomic number Z and, consequently, for the Isospin $N/Z$ ratio. An enhanceme… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.03046v1-abstract-full').style.display = 'inline'; document.getElementById('1803.03046v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.03046v1-abstract-full" style="display: none;"> The Intermediate Mass Fragments emission probability from Projectile-Like Fragment break-up in semi-peripheral reactions has been measured in collisions of $^{124}$Xe projectiles with two different targets of $^{64}$Ni and $^{64}$Zn at the laboratory energy of 35 \amev. The two colliding systems differ only for the target atomic number Z and, consequently, for the Isospin $N/Z$ ratio. An enhancement of Intermediate Mass Fragments production for the neutron rich $^{64}$Ni target, with respect to the $^{64}$Zn, is found. In the case of one Intermediate Mass Fragment emission, the contributions of the dynamical and statistical emissions have been evaluated, showing that the increase of the effect above is due to an enhancement of the dynamical emission probability, especially for heavy IMFs (Z$\gtrsim$ 7). This proves an influence of the target Isospin on inducing the dynamical fragment production from Projectile-Like Fragment break-up. In addition, a comparison of the Xe+Ni,Zn results with the previously studied $^{112,124}Sn+^{58,64}Ni$ systems is discussed in order to investigate the influence of the projectile Isospin alone and to disentangle between Isospin effects against system-size effects on the emission probability. These comparisons suggest that the prompt-dynamical emission is mainly ruled by the $N/Z$ content of, both, projectile and target; for the cases here investigated, the influence of the system size on the dynamical emission probability can be excluded. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.03046v1-abstract-full').style.display = 'none'; document.getElementById('1803.03046v1-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 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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/1705.09196">arXiv:1705.09196</a> <span> [<a href="https://arxiv.org/pdf/1705.09196">pdf</a>, <a href="https://arxiv.org/format/1705.09196">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.119.132501">10.1103/PhysRevLett.119.132501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High precision probe of the fully sequential decay width of the Hoyle state in $^{12}$C </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Dell%27Aquila%2C+D">D. Dell'Aquila</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I. Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Verde%2C+G">G. Verde</a>, <a href="/search/nucl-ex?searchtype=author&query=Vigilante%2C+M">M. Vigilante</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Cappuzzello%2C+F">F. Cappuzzello</a>, <a href="/search/nucl-ex?searchtype=author&query=Carbone%2C+D">D. Carbone</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+M">M. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Cherubini%2C+S">S. Cherubini</a>, <a href="/search/nucl-ex?searchtype=author&query=Cvetinovic%2C+A">A. Cvetinovic</a>, <a href="/search/nucl-ex?searchtype=author&query=D%27Agata%2C+G">G. D'Agata</a>, <a href="/search/nucl-ex?searchtype=author&query=Francalanza%2C+L">L. Francalanza</a>, <a href="/search/nucl-ex?searchtype=author&query=Guardo%2C+G+L">G. L. Guardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Gulino%2C+M">M. Gulino</a>, <a href="/search/nucl-ex?searchtype=author&query=Indelicato%2C+I">I. Indelicato</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Cognata%2C+M">M. La Cognata</a>, <a href="/search/nucl-ex?searchtype=author&query=Lamia%2C+L">L. Lamia</a>, <a href="/search/nucl-ex?searchtype=author&query=Ordine%2C+A">A. Ordine</a>, <a href="/search/nucl-ex?searchtype=author&query=Pizzone%2C+R+G">R. G. Pizzone</a>, <a href="/search/nucl-ex?searchtype=author&query=Puglia%2C+S+M+R">S. M. R. Puglia</a>, <a href="/search/nucl-ex?searchtype=author&query=Rapisarda%2C+G+G">G. G. Rapisarda</a>, <a href="/search/nucl-ex?searchtype=author&query=Romano%2C+S">S. Romano</a>, <a href="/search/nucl-ex?searchtype=author&query=Santagati%2C+G">G. Santagati</a>, <a href="/search/nucl-ex?searchtype=author&query=Spart%C3%A0%2C+R">R. Spart脿</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="1705.09196v2-abstract-short" style="display: inline;"> The decay path of the Hoyle state in $^{12}$C ($E_x=7.654\textrm{MeV}$) has been studied with the $^{14}\textrm{N}(\textrm{d},伪_2)^{12}\textrm{C}(7.654)$ reaction induced at $10.5\textrm{MeV}$. High resolution invariant mass spectroscopy techniques have allowed to unambiguously disentangle direct and sequential decays of the state passing through the ground state of $^{8}$Be. Thanks to the almost… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.09196v2-abstract-full').style.display = 'inline'; document.getElementById('1705.09196v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1705.09196v2-abstract-full" style="display: none;"> The decay path of the Hoyle state in $^{12}$C ($E_x=7.654\textrm{MeV}$) has been studied with the $^{14}\textrm{N}(\textrm{d},伪_2)^{12}\textrm{C}(7.654)$ reaction induced at $10.5\textrm{MeV}$. High resolution invariant mass spectroscopy techniques have allowed to unambiguously disentangle direct and sequential decays of the state passing through the ground state of $^{8}$Be. Thanks to the almost total absence of background and the attained resolution, a fully sequential decay contribution to the width of the state has been observed. The direct decay width is negligible, with an upper limit of $0.043\%$ ($95\%$ C.L.). The precision of this result is about a factor $5$ higher than previous studies. This has significant implications on nuclear structure, as it provides constraints to $3$-$伪$ cluster model calculations, where higher precision limits are needed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1705.09196v2-abstract-full').style.display = 'none'; document.getElementById('1705.09196v2-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 June, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 May, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 119, 132501 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1608.04332">arXiv:1608.04332</a> <span> [<a href="https://arxiv.org/pdf/1608.04332">pdf</a>, <a href="https://arxiv.org/ps/1608.04332">ps</a>, <a href="https://arxiv.org/format/1608.04332">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.94.034608">10.1103/PhysRevC.94.034608 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Results of the ASY-EOS experiment at GSI: The symmetry energy at suprasaturation density </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Russotto%2C+P">P. Russotto</a>, <a href="/search/nucl-ex?searchtype=author&query=Gannon%2C+S">S. Gannon</a>, <a href="/search/nucl-ex?searchtype=author&query=Kupny%2C+S">S. Kupny</a>, <a href="/search/nucl-ex?searchtype=author&query=Lasko%2C+P">P. Lasko</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Adamczyk%2C+M">M. Adamczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ajlan%2C+A">A. Al-Ajlan</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Garawi%2C+M">M. Al-Garawi</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Homaidhi%2C+S">S. Al-Homaidhi</a>, <a href="/search/nucl-ex?searchtype=author&query=Amorini%2C+F">F. Amorini</a>, <a href="/search/nucl-ex?searchtype=author&query=Auditore%2C+L">L. Auditore</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=Basrak%2C+Z">Z. Basrak</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Boisjoli%2C+M">M. Boisjoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Boretzky%2C+K">K. Boretzky</a>, <a href="/search/nucl-ex?searchtype=author&query=Brzychczyk%2C+J">J. Brzychczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Budzanowski%2C+A">A. Budzanowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Caesar%2C+C">C. Caesar</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G. Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=Cammarata%2C+P">P. Cammarata</a>, <a href="/search/nucl-ex?searchtype=author&query=Chajecki%2C+Z">Z. Chajecki</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</a>, <a href="/search/nucl-ex?searchtype=author&query=Chbihi%2C+A">A. Chbihi</a> , et al. (67 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="1608.04332v2-abstract-short" style="display: inline;"> Directed and elliptic flows of neutrons and light charged particles were measured for the reaction 197Au+197Au at 400 MeV/nucleon incident energy within the ASY-EOS experimental campaign at the GSI laboratory. The detection system consisted of the Large Area Neutron Detector LAND, combined with parts of the CHIMERA multidetector, of the ALADIN Time-of-flight Wall, and of the Washington-University… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.04332v2-abstract-full').style.display = 'inline'; document.getElementById('1608.04332v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1608.04332v2-abstract-full" style="display: none;"> Directed and elliptic flows of neutrons and light charged particles were measured for the reaction 197Au+197Au at 400 MeV/nucleon incident energy within the ASY-EOS experimental campaign at the GSI laboratory. The detection system consisted of the Large Area Neutron Detector LAND, combined with parts of the CHIMERA multidetector, of the ALADIN Time-of-flight Wall, and of the Washington-University Microball detector. The latter three arrays were used for the event characterization and reaction-plane reconstruction. In addition, an array of triple telescopes, KRATTA, was used for complementary measurements of the isotopic composition and flows of light charged particles. From the comparison of the elliptic flow ratio of neutrons with respect to charged particles with UrQMD predictions, a value 纬= 0.72 \pm 0.19 is obtained for the power-law coefficient describing the density dependence of the potential part in the parametrization of the symmetry energy. It represents a new and more stringent constraint for the regime of supra-saturation density and confirms, with a considerably smaller uncertainty, the moderately soft to linear density dependence deduced from the earlier FOPI-LAND data. The densities probed are shown to reach beyond twice saturation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.04332v2-abstract-full').style.display = 'none'; document.getElementById('1608.04332v2-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 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2016. </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, 22 figures, accepted for publication in Physical Review C</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 94, 034608 (2016) </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/1501.00801">arXiv:1501.00801</a> <span> [<a href="https://arxiv.org/pdf/1501.00801">pdf</a>, <a href="https://arxiv.org/ps/1501.00801">ps</a>, <a href="https://arxiv.org/format/1501.00801">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.91.041601">10.1103/PhysRevC.91.041601 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Dipolar degrees of freedom and Isospin equilibration processes in Heavy Ion collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Papa%2C+M">M. Papa</a>, <a href="/search/nucl-ex?searchtype=author&query=Berceanu%2C+I">I. Berceanu</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Amorini%2C+F">F. Amorini</a>, <a href="/search/nucl-ex?searchtype=author&query=Agodi%2C+C">C. Agodi</a>, <a href="/search/nucl-ex?searchtype=author&query=Anzalone%2C+A">A. Anzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Auditore%2C+L">L. Auditore</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G. Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=Cavallaro%2C+S">S. Cavallaro</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatterjee%2C+M+B">M. B. Chatterjee</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=Francalanza%2C+L">L. Francalanza</a>, <a href="/search/nucl-ex?searchtype=author&query=Geraci%2C+E">E. Geraci</a>, <a href="/search/nucl-ex?searchtype=author&query=Grassi%2C+L">L. Grassi</a>, <a href="/search/nucl-ex?searchtype=author&query=Gnoffo%2C+B">B. Gnoffo</a>, <a href="/search/nucl-ex?searchtype=author&query=Han%2C+J">J. Han</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Guidara%2C+E">E. La Guidara</a>, <a href="/search/nucl-ex?searchtype=author&query=Lanzalone%2C+G">G. Lanzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I. Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+C+M+T+M+A">C. Maiolino T. Minniti A. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+E+V">E. V. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Pirrone%2C+S">S. Pirrone</a>, <a href="/search/nucl-ex?searchtype=author&query=Politi%2C+G">G. Politi</a>, <a href="/search/nucl-ex?searchtype=author&query=Porto%2C+F">F. Porto</a>, <a href="/search/nucl-ex?searchtype=author&query=Quattrocchi%2C+L">L. Quattrocchi</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="1501.00801v1-abstract-short" style="display: inline;"> Background: In heavy ion collision at the Fermi energies Isospin equilibration processes occur- ring when nuclei with different charge/mass asymmetries interacts have been investigated to get information on the nucleon-nucleon Iso-vectorial effective interaction. Purpose: In this paper, for the system 48Ca +27 Al at 40 MeV/nucleon, we investigate on this process by means of an observable tightly l… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.00801v1-abstract-full').style.display = 'inline'; document.getElementById('1501.00801v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1501.00801v1-abstract-full" style="display: none;"> Background: In heavy ion collision at the Fermi energies Isospin equilibration processes occur- ring when nuclei with different charge/mass asymmetries interacts have been investigated to get information on the nucleon-nucleon Iso-vectorial effective interaction. Purpose: In this paper, for the system 48Ca +27 Al at 40 MeV/nucleon, we investigate on this process by means of an observable tightly linked to isospin equilibration processes and sensitive in exclusive way to the dynamical stage of the collision. From the comparison with dynamical model calculations we want also to obtain information on the Iso-vectorial effective microscopic interaction. Method: The average time derivative of the total dipole associated to the relative motion of all emitted charged particles and fragments has been determined from the measured charges and velocities by using the 4? multi-detector CHIMERA. The average has been determined for semi- peripheral collisions and for different charges Zb of the biggest produced fragment. Experimental evidences collected for the systems 27Al+48Ca and 27Al+40Ca at 40 MeV/nucleon used to support this novel method of investigation are also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1501.00801v1-abstract-full').style.display = 'none'; document.getElementById('1501.00801v1-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 January, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">Submitted for publication on Phys. Rev. C. 0n 24-oct-2014</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1212.4593">arXiv:1212.4593</a> <span> [<a href="https://arxiv.org/pdf/1212.4593">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/10.1016/j.nima.2013.03.028">10.1016/j.nima.2013.03.028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Kinematical coincidence method in transfer reactions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Amorini%2C+F">F. Amorini</a>, <a href="/search/nucl-ex?searchtype=author&query=Auditore%2C+L">L. Auditore</a>, <a href="/search/nucl-ex?searchtype=author&query=Berceanu%2C+I">I. Berceanu</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G. Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=Chatterjiee%2C+M+B">M. B. Chatterjiee</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=FrancalanzA%2C+L">L. FrancalanzA</a>, <a href="/search/nucl-ex?searchtype=author&query=Gian%C3%AC%2C+R">R. Gian矛</a>, <a href="/search/nucl-ex?searchtype=author&query=Grassi%2C+L">L. Grassi</a>, <a href="/search/nucl-ex?searchtype=author&query=Grzeszczuk%2C+A">A. Grzeszczuk</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Guidara%2C+E">E. La Guidara</a>, <a href="/search/nucl-ex?searchtype=author&query=Lanzalone%2C+G">G. Lanzalone</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I. Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Loria%2C+D">D. Loria</a>, <a href="/search/nucl-ex?searchtype=author&query=Minniti%2C+T">T. Minniti</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+E+V">E. V. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Papa%2C+M">M. Papa</a>, <a href="/search/nucl-ex?searchtype=author&query=Pirrone%2C+S">S. Pirrone</a>, <a href="/search/nucl-ex?searchtype=author&query=Politi%2C+G">G. Politi</a>, <a href="/search/nucl-ex?searchtype=author&query=Pop%2C+A">A. Pop</a>, <a href="/search/nucl-ex?searchtype=author&query=Porto%2C+F">F. Porto</a>, <a href="/search/nucl-ex?searchtype=author&query=Rizzo%2C+F">F. Rizzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Rosato%2C+E">E. Rosato</a>, <a href="/search/nucl-ex?searchtype=author&query=Russotto%2C+P">P. Russotto</a> , et al. (5 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="1212.4593v2-abstract-short" style="display: inline;"> A new method to extract high resolution angular distributions from kinematical coincidence measurements in binary reactions is presented. Kinematic is used to extract the center of mass angular distribution from the measured energy spectrum of light particles. Results obtained in the case of 10Be+p-->9Be+d reaction measured with the CHIMERA detector are shown. An angular resolution of few degrees… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.4593v2-abstract-full').style.display = 'inline'; document.getElementById('1212.4593v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1212.4593v2-abstract-full" style="display: none;"> A new method to extract high resolution angular distributions from kinematical coincidence measurements in binary reactions is presented. Kinematic is used to extract the center of mass angular distribution from the measured energy spectrum of light particles. Results obtained in the case of 10Be+p-->9Be+d reaction measured with the CHIMERA detector are shown. An angular resolution of few degrees in the center of mass is obtained. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.4593v2-abstract-full').style.display = 'none'; document.getElementById('1212.4593v2-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">v1</span> submitted 19 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">6 Page 10 Figures submitted to Nuclear Instruments and Methods A</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.5961">arXiv:1209.5961</a> <span> [<a href="https://arxiv.org/pdf/1209.5961">pdf</a>, <a href="https://arxiv.org/ps/1209.5961">ps</a>, <a href="https://arxiv.org/format/1209.5961">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/10.1088/1742-6596/420/1/012092">10.1088/1742-6596/420/1/012092 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The ASY-EOS experiment at GSI: investigating the symmetry energy at supra-saturation densities </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Russotto%2C+P">P. Russotto</a>, <a href="/search/nucl-ex?searchtype=author&query=Chartier%2C+M">M. Chartier</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=F%C3%A9vre%2C+A+L">A. Le F茅vre</a>, <a href="/search/nucl-ex?searchtype=author&query=Gannon%2C+S">S. Gannon</a>, <a href="/search/nucl-ex?searchtype=author&query=Ga%C5%A1pari%C4%87%2C+I">I. Ga拧pari膰</a>, <a href="/search/nucl-ex?searchtype=author&query=Ki%C5%A1%2C+M">M. Ki拧</a>, <a href="/search/nucl-ex?searchtype=author&query=Kupny%2C+S">S. Kupny</a>, <a href="/search/nucl-ex?searchtype=author&query=Leifels%2C+Y">Y. Leifels</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemmon%2C+R+C">R. C. Lemmon</a>, <a href="/search/nucl-ex?searchtype=author&query=%C5%81ukasik%2C+J">J. 艁ukasik</a>, <a href="/search/nucl-ex?searchtype=author&query=Marini%2C+P">P. Marini</a>, <a href="/search/nucl-ex?searchtype=author&query=Pagano%2C+A">A. Pagano</a>, <a href="/search/nucl-ex?searchtype=author&query=Paw%C5%82owski%2C+P">P. Paw艂owski</a>, <a href="/search/nucl-ex?searchtype=author&query=Santoro%2C+S">S. Santoro</a>, <a href="/search/nucl-ex?searchtype=author&query=Trautmann%2C+W">W. Trautmann</a>, <a href="/search/nucl-ex?searchtype=author&query=Veselsky%2C+M">M. Veselsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Acosta%2C+L">L. Acosta</a>, <a href="/search/nucl-ex?searchtype=author&query=Adamczyk%2C+M">M. Adamczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ajlan%2C+A">A. Al-Ajlan</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Garawi%2C+M">M. Al-Garawi</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Homaidhi%2C+S">S. Al-Homaidhi</a>, <a href="/search/nucl-ex?searchtype=author&query=Amorini%2C+F">F. Amorini</a>, <a href="/search/nucl-ex?searchtype=author&query=Auditore%2C+L">L. Auditore</a>, <a href="/search/nucl-ex?searchtype=author&query=Aumann%2C+T">T. Aumann</a> , et al. (67 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="1209.5961v1-abstract-short" style="display: inline;"> The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation Of State (EOS) at supra-saturation densities. The recent results obtained from the existing FOPI/LAND data for $^{197}$Au+$^{197}$Au collisions at 400 MeV/nucleo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.5961v1-abstract-full').style.display = 'inline'; document.getElementById('1209.5961v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.5961v1-abstract-full" style="display: none;"> The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation Of State (EOS) at supra-saturation densities. The recent results obtained from the existing FOPI/LAND data for $^{197}$Au+$^{197}$Au collisions at 400 MeV/nucleon in comparison with the UrQMD model allowed a first estimate of the symmetry term of the EOS but suffer from a considerable statistical uncertainty. In order to obtain an improved data set for Au+Au collisions and to extend the study to other systems, a new experiment was carried out at the GSI laboratory by the ASY-EOS collaboration in May 2011. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.5961v1-abstract-full').style.display = 'none'; document.getElementById('1209.5961v1-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> 26 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">Talk given by P. Russotto 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/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> </ol> <div 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