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</div> <div class="control"> <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/2411.00509">arXiv:2411.00509</a> <span> [<a href="https://arxiv.org/pdf/2411.00509">pdf</a>, <a href="https://arxiv.org/format/2411.00509">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> <p class="title is-5 mathjax"> Isospin breaking in the $^{71}$Kr and $^{71}$Br mirror system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Vit%C3%A9z-Sveiczer%2C+A">A. Vit茅z-Sveiczer</a>, <a href="/search/nucl-ex?searchtype=author&query=Poves%2C+A">A. Poves</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiss%2C+G+G">G. G. Kiss</a>, <a href="/search/nucl-ex?searchtype=author&query=Rubio%2C+B">B. Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Recchia%2C+F">F. Recchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Nishimura%2C+S">S. Nishimura</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodriguez%2C+T">T. Rodriguez</a>, <a href="/search/nucl-ex?searchtype=author&query=Sarriguren%2C+P">P. Sarriguren</a>, <a href="/search/nucl-ex?searchtype=author&query=Agramunt%2C+J">J. Agramunt</a>, <a href="/search/nucl-ex?searchtype=author&query=Guadilla%2C+V">V. Guadilla</a>, <a href="/search/nucl-ex?searchtype=author&query=Montaner-Piz%C3%A1%2C+A">A. Montaner-Piz谩</a>, <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Orrigo%2C+S+E+A">S. E. A. Orrigo</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D">D. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Phong%2C+V+H">V. H. Phong</a>, <a href="/search/nucl-ex?searchtype=author&query=Wu%2C+J">J. Wu</a>, <a href="/search/nucl-ex?searchtype=author&query=S%C3%B6derstr%C3%B6m%2C+P+-">P. -A. S枚derstr枚m</a>, <a href="/search/nucl-ex?searchtype=author&query=Sumikama%2C+T">T. Sumikama</a>, <a href="/search/nucl-ex?searchtype=author&query=Suzuki%2C+H">H. Suzuki</a>, <a href="/search/nucl-ex?searchtype=author&query=Takeda%2C+H">H. Takeda</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahn%2C+D+S">D. S. Ahn</a> , et al. (43 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="2411.00509v1-abstract-short" style="display: inline;"> Isospin symmetry is a fundamental concept in nuclear physics. Even though isospin symmetry is partially broken, it holds approximately for most nuclear systems, which makes exceptions very interesting from the nuclear structure perspective. In this framework, it is expected that the spins and parities of the ground states of mirror nuclei should be the same, in particular for the simplest systems… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.00509v1-abstract-full').style.display = 'inline'; document.getElementById('2411.00509v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.00509v1-abstract-full" style="display: none;"> Isospin symmetry is a fundamental concept in nuclear physics. Even though isospin symmetry is partially broken, it holds approximately for most nuclear systems, which makes exceptions very interesting from the nuclear structure perspective. In this framework, it is expected that the spins and parities of the ground states of mirror nuclei should be the same, in particular for the simplest systems where a proton is exchanged with a neutron or vice versa. In this work, we present evidence that this assumption is broken in the mirror pair $^{71}$Br and $^{71}$Kr system. Our conclusions are based on a high-statistics $尾$ decay study of $^{71}$Kr and on state-of-the-art shell model calculations. In our work, we also found evidence of a new state in $^{70}$Se, populated in the $尾$-delayed proton emission process which can be interpreted as the long sought coexisting 0$^+$ state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.00509v1-abstract-full').style.display = 'none'; document.getElementById('2411.00509v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">8 pages with references, 3 figures. Supplemental material 4 pages (1 table, 3 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/2410.17701">arXiv:2410.17701</a> <span> [<a href="https://arxiv.org/pdf/2410.17701">pdf</a>, <a href="https://arxiv.org/format/2410.17701">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"> Nuclear structure of dripline nuclei elucidated through precision mass measurements of $^{23}$Si, $^{26}$P, $^{27,28}$S, and $^{31}$Ar </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Yu%2C+Y">Y. Yu</a>, <a href="/search/nucl-ex?searchtype=author&query=Xing%2C+Y+M">Y. M. Xing</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+Y+H">Y. H. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Wang%2C+M">M. Wang</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X+H">X. H. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+J+G">J. G. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Li%2C+H+H">H. H. Li</a>, <a href="/search/nucl-ex?searchtype=author&query=Yuan%2C+Q">Q. Yuan</a>, <a href="/search/nucl-ex?searchtype=author&query=Niu%2C+Y+F">Y. F. Niu</a>, <a href="/search/nucl-ex?searchtype=author&query=Huang%2C+Y+N">Y. N. Huang</a>, <a href="/search/nucl-ex?searchtype=author&query=Geng%2C+J">J. Geng</a>, <a href="/search/nucl-ex?searchtype=author&query=Guo%2C+J+Y">J. Y. Guo</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+J+W">J. W. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Pei%2C+J+C">J. C. Pei</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+F+R">F. R. Xu</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=Blaum%2C+K">K. Blaum</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Tanihata%2C+I">I. Tanihata</a>, <a href="/search/nucl-ex?searchtype=author&query=Yamaguchi%2C+T">T. Yamaguchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhou%2C+X">X. Zhou</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+H+S">H. S. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+Z+Y">Z. Y. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+R+J">R. J. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Deng%2C+H+Y">H. Y. Deng</a> , et al. (17 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="2410.17701v1-abstract-short" style="display: inline;"> Using the B$蟻$-defined isochronous mass spectrometry technique, we report the first determination of the $^{23}$Si, $^{26}$P, $^{27}$S, and $^{31}$Ar masses and improve the precision of the $^{28}$S mass by a factor of 11. Our measurements confirm that these isotopes are bound and fix the location of the proton dripline in P, S, and Ar. We find that the mirror energy differences of the mirror-nucl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17701v1-abstract-full').style.display = 'inline'; document.getElementById('2410.17701v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.17701v1-abstract-full" style="display: none;"> Using the B$蟻$-defined isochronous mass spectrometry technique, we report the first determination of the $^{23}$Si, $^{26}$P, $^{27}$S, and $^{31}$Ar masses and improve the precision of the $^{28}$S mass by a factor of 11. Our measurements confirm that these isotopes are bound and fix the location of the proton dripline in P, S, and Ar. We find that the mirror energy differences of the mirror-nuclei pairs $^{26}$P-$^{26}$Na, $^{27}$P-$^{27}$Mg, $^{27}$S-$^{27}$Na, $^{28}$S-$^{28}$Mg, and $^{31}$Ar-$^{31}$Al deviate significantly from the values predicted assuming mirror symmetry. In addition, we observe similar anomalies in the excited states, but not in the ground states, of the mirror-nuclei pairs $^{22}$Al-$^{22}$F and $^{23}$Al-$^{23}$Ne. Using $ab~ initio$ VS-IMSRG and mean field calculations, we show that such a mirror-symmetry breaking phenomeon can be explained by the extended charge distributions of weakly-bound, proton-rich nuclei. When observed, this phenomenon serves as a unique signature that can be valuable for identifying proton-halo candidates. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.17701v1-abstract-full').style.display = 'none'; document.getElementById('2410.17701v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2405.15601">arXiv:2405.15601</a> <span> [<a href="https://arxiv.org/pdf/2405.15601">pdf</a>, <a href="https://arxiv.org/format/2405.15601">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.110.034304">10.1103/PhysRevC.110.034304 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-resolution spectroscopy of neutron-rich Br isotopes and signatures for a prolate-to-oblate shape transition at N=56 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Dudouet%2C+J">J. Dudouet</a>, <a href="/search/nucl-ex?searchtype=author&query=Colombi%2C+G">G. Colombi</a>, <a href="/search/nucl-ex?searchtype=author&query=Tello%2C+D+R">D. Reygadas Tello</a>, <a href="/search/nucl-ex?searchtype=author&query=Michelagnoli%2C+C">C. Michelagnoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Dao%2C+D+D">D. D. Dao</a>, <a href="/search/nucl-ex?searchtype=author&query=Nowacki%2C+F">F. Nowacki</a>, <a href="/search/nucl-ex?searchtype=author&query=Abushawish%2C+M">M. Abushawish</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=Costache%2C+C">C. Costache</a>, <a href="/search/nucl-ex?searchtype=author&query=Duch%C3%AAne%2C+G">G. Duch锚ne</a>, <a href="/search/nucl-ex?searchtype=author&query=Kandzia%2C+F">F. Kandzia</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+N">N. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+R">R. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Mihai%2C+C">C. Mihai</a>, <a href="/search/nucl-ex?searchtype=author&query=Pascu%2C+S">S. Pascu</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+M">M. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Rezynkina%2C+K">K. Rezynkina</a>, <a href="/search/nucl-ex?searchtype=author&query=Stezowski%2C+O">O. Stezowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Turturica%2C+A">A. Turturica</a>, <a href="/search/nucl-ex?searchtype=author&query=Ujeniuc%2C+S">S. Ujeniuc</a>, <a href="/search/nucl-ex?searchtype=author&query=Astier%2C+A">A. Astier</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Delafosse%2C+C">C. Delafosse</a> , et al. (17 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="2405.15601v2-abstract-short" style="display: inline;"> The first systematic experimental study of the neutron-rich Br isotopes with two complementary state-of-the-art techniques is presented. These isotopes have been populated in the fission process at two different facilities, GANIL and ILL. New spectroscopic information has been obtained for odd-even $^{87-93}$Br isotopes and the experimental results have been compared with state-of-the-art Large-Sc… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.15601v2-abstract-full').style.display = 'inline'; document.getElementById('2405.15601v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2405.15601v2-abstract-full" style="display: none;"> The first systematic experimental study of the neutron-rich Br isotopes with two complementary state-of-the-art techniques is presented. These isotopes have been populated in the fission process at two different facilities, GANIL and ILL. New spectroscopic information has been obtained for odd-even $^{87-93}$Br isotopes and the experimental results have been compared with state-of-the-art Large-Scale Shell-Model and DNO Shell-Model calculations. As a result of such theoretical approaches, a transition from prolate ($^{87,89}$Br) to oblate ($^{91,93}$Br) shapes is obtained from the subtle balance between proton and neutron quadrupole deformations, as a clear signature of pseudo-SU3 quadrupole regime. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2405.15601v2-abstract-full').style.display = 'none'; document.getElementById('2405.15601v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">17 pages, 24 figures, 5 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2311.07103">arXiv:2311.07103</a> <span> [<a href="https://arxiv.org/pdf/2311.07103">pdf</a>, <a href="https://arxiv.org/format/2311.07103">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.nimb.2023.05.053">10.1016/j.nimb.2023.05.053 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Particle Identification at VAMOS++ with Machine Learning Techniques </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cho%2C+Y">Y. Cho</a>, <a href="/search/nucl-ex?searchtype=author&query=Kim%2C+Y+H">Y. H. Kim</a>, <a href="/search/nucl-ex?searchtype=author&query=Choi%2C+S">S. Choi</a>, <a href="/search/nucl-ex?searchtype=author&query=Park%2C+J">J. Park</a>, <a href="/search/nucl-ex?searchtype=author&query=Bae%2C+S">S. Bae</a>, <a href="/search/nucl-ex?searchtype=author&query=Hahn%2C+K+I">K. I. Hahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Son%2C+Y">Y. Son</a>, <a href="/search/nucl-ex?searchtype=author&query=Navin%2C+A">A. Navin</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+M">M. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=Ramos%2C+D">D. Ramos</a>, <a href="/search/nucl-ex?searchtype=author&query=Ackermann%2C+D">D. Ackermann</a>, <a href="/search/nucl-ex?searchtype=author&query=Utepov%2C+A">A. Utepov</a>, <a href="/search/nucl-ex?searchtype=author&query=Fourgeres%2C+C">C. Fourgeres</a>, <a href="/search/nucl-ex?searchtype=author&query=Thomas%2C+J+C">J. C. Thomas</a>, <a href="/search/nucl-ex?searchtype=author&query=Goupil%2C+J">J. Goupil</a>, <a href="/search/nucl-ex?searchtype=author&query=Fremont%2C+G">G. Fremont</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Watanabe%2C+Y+X">Y. X. Watanabe</a>, <a href="/search/nucl-ex?searchtype=author&query=Hirayama%2C+Y">Y. Hirayama</a>, <a href="/search/nucl-ex?searchtype=author&query=Jeong%2C+S">S. Jeong</a>, <a href="/search/nucl-ex?searchtype=author&query=Niwase%2C+T">T. Niwase</a>, <a href="/search/nucl-ex?searchtype=author&query=Miyatake%2C+H">H. Miyatake</a>, <a href="/search/nucl-ex?searchtype=author&query=Schury%2C+P">P. Schury</a>, <a href="/search/nucl-ex?searchtype=author&query=Rosenbusch%2C+M">M. Rosenbusch</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="2311.07103v2-abstract-short" style="display: inline;"> Multi-nucleon transfer reaction between 136Xe beam and 198Pt target was performed using the VAMOS++ spectrometer at GANIL to study the structure of n-rich nuclei around N=126. Unambiguous charge state identification was obtained by combining two supervised machine learning methods, deep neural network (DNN) and positional correction using a gradient-boosting decision tree (GBDT). The new method re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.07103v2-abstract-full').style.display = 'inline'; document.getElementById('2311.07103v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2311.07103v2-abstract-full" style="display: none;"> Multi-nucleon transfer reaction between 136Xe beam and 198Pt target was performed using the VAMOS++ spectrometer at GANIL to study the structure of n-rich nuclei around N=126. Unambiguous charge state identification was obtained by combining two supervised machine learning methods, deep neural network (DNN) and positional correction using a gradient-boosting decision tree (GBDT). The new method reduced the complexity of the kinetic energy calibration and outperformed the conventional method, improving the charge state resolution by 8% <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2311.07103v2-abstract-full').style.display = 'none'; document.getElementById('2311.07103v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 541, August 2023, Pages 240-242 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.10108">arXiv:2203.10108</a> <span> [<a href="https://arxiv.org/pdf/2203.10108">pdf</a>, <a href="https://arxiv.org/format/2203.10108">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.106.014320">10.1103/PhysRevC.106.014320 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Structure of $^{83}$As, $^{85}$As and $^{87}$As: from semi-magicity to $纬$-softness </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Rezynkina%2C+K">K. Rezynkina</a>, <a href="/search/nucl-ex?searchtype=author&query=Dao%2C+D+D">D. D. Dao</a>, <a href="/search/nucl-ex?searchtype=author&query=Duchene%2C+G">G. Duchene</a>, <a href="/search/nucl-ex?searchtype=author&query=Dudouet%2C+J">J. Dudouet</a>, <a href="/search/nucl-ex?searchtype=author&query=Nowacki%2C+F">F. Nowacki</a>, <a href="/search/nucl-ex?searchtype=author&query=Clement%2C+E">E. Clement</a>, <a href="/search/nucl-ex?searchtype=author&query=Lemasson%2C+A">A. Lemasson</a>, <a href="/search/nucl-ex?searchtype=author&query=Andreoiu%2C+C">C. Andreoiu</a>, <a href="/search/nucl-ex?searchtype=author&query=Astier%2C+A">A. Astier</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Delafosse%2C+C">C. Delafosse</a>, <a href="/search/nucl-ex?searchtype=author&query=Deloncle%2C+I">I. Deloncle</a>, <a href="/search/nucl-ex?searchtype=author&query=Didierjean%2C+F">F. Didierjean</a>, <a href="/search/nucl-ex?searchtype=author&query=Dombradi%2C+Z">Z. Dombradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Ducoin%2C+C">C. Ducoin</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Guinet%2C+D">D. Guinet</a>, <a href="/search/nucl-ex?searchtype=author&query=Jacquot%2C+B">B. Jacquot</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+P">P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Konstantinopoulos%2C+T">T. Konstantinopoulos</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuti%2C+I">I. Kuti</a>, <a href="/search/nucl-ex?searchtype=author&query=Korichi%2C+A">A. Korichi</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.10108v1-abstract-short" style="display: inline;"> The structure of $^{83}$As, $^{85}$As and $^{87}$As have been studied in fusion-fission reaction $^{238}$U+$^9$Be. Fission fragments were identified in mass and atomic number using the VAMOS++ spectrometer and the coincident $纬$-rays were detected in the $纬$-ray tracking array AGATA. New transitions in $^{83}$As and $^{85}$As are reported and placed in the level schemes. A level scheme of the exci… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.10108v1-abstract-full').style.display = 'inline'; document.getElementById('2203.10108v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.10108v1-abstract-full" style="display: none;"> The structure of $^{83}$As, $^{85}$As and $^{87}$As have been studied in fusion-fission reaction $^{238}$U+$^9$Be. Fission fragments were identified in mass and atomic number using the VAMOS++ spectrometer and the coincident $纬$-rays were detected in the $纬$-ray tracking array AGATA. New transitions in $^{83}$As and $^{85}$As are reported and placed in the level schemes. A level scheme of the excited states in $^{87}$As is proposed for the first time. The data are interpreted in frame of Large-Scale Shell-Model calculations, SU3 symmetries and Beyond Mean-Field frameworks. A spherical regime at magic number $N$=50 is predicted and the location of the proton $g_{9/2}$ orbital is proposed for the first time. Development of collectivity in a prolate deformed, $纬$-soft regime in the open shell cases $^{85}$As and $^{87}$As, most neutron-rich isotopes beyond $N$=50, is concluded. Data and theoretical calculations give confidence to a relatively high extrapolated excitation energy about 4 MeV of the $9/2^+$ state in $^{79}$Cu, one proton above $^{78}$Ni. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.10108v1-abstract-full').style.display = 'none'; document.getElementById('2203.10108v1-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 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.03932">arXiv:2110.03932</a> <span> [<a href="https://arxiv.org/pdf/2110.03932">pdf</a>, <a href="https://arxiv.org/format/2110.03932">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> <p class="title is-5 mathjax"> Coulomb and nuclear excitations of $^{70}$Zn and $^{68}$Ni at intermediate energy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Calinescu%2C+S">S. Calinescu</a>, <a href="/search/nucl-ex?searchtype=author&query=Sorlin%2C+O">O. Sorlin</a>, <a href="/search/nucl-ex?searchtype=author&query=Matea%2C+I">I. Matea</a>, <a href="/search/nucl-ex?searchtype=author&query=Carstoiu%2C+F">F. Carstoiu</a>, <a href="/search/nucl-ex?searchtype=author&query=Dao%2C+D">D. Dao</a>, <a href="/search/nucl-ex?searchtype=author&query=Nowacki%2C+F">F. Nowacki</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Astabatyan%2C+R">R. Astabatyan</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagchi%2C+S">S. Bagchi</a>, <a href="/search/nucl-ex?searchtype=author&query=Borcea%2C+C">C. Borcea</a>, <a href="/search/nucl-ex?searchtype=author&query=Borcea%2C+R">R. Borcea</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A1ceres%2C+L">L. C谩ceres</a>, <a href="/search/nucl-ex?searchtype=author&query=Ciem%C3%A1la%2C+M">M. Ciem谩la</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=Dombr%C3%A1di%2C+Z">Z. Dombr谩di</a>, <a href="/search/nucl-ex?searchtype=author&query=Franchoo%2C+S">S. Franchoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Gr%C3%A9vy%2C+S">S. Gr茅vy</a>, <a href="/search/nucl-ex?searchtype=author&query=Guerin%2C+H">H. Guerin</a>, <a href="/search/nucl-ex?searchtype=author&query=Harakeh%2C+M+N">M. N. Harakeh</a>, <a href="/search/nucl-ex?searchtype=author&query=Harca%2C+I+M">I. M. Harca</a>, <a href="/search/nucl-ex?searchtype=author&query=Kamalou%2C+O">O. Kamalou</a>, <a href="/search/nucl-ex?searchtype=author&query=Kmiecik%2C+M">M. Kmiecik</a>, <a href="/search/nucl-ex?searchtype=author&query=Krasznahorkay%2C+A">A. Krasznahorkay</a>, <a href="/search/nucl-ex?searchtype=author&query=Krzysiek%2C+M">M. Krzysiek</a> , et al. (26 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="2110.03932v1-abstract-short" style="display: inline;"> The reduced transition probabilities $B(E2; 0^+_{g.s.}\rightarrow2_1^+,2^+_2)$ in $^{70}$Zn and the full $B(E2; 0^+_{g.s.}\rightarrow2^+)$ strength up to S$_n$=7.79 MeV in $^{68}$Ni have been determined at the LISE/GANIL facility using the Coulomb-excitation technique at intermediate beam energy on a $^{208}$Pb target. The $纬$ rays emitted in-flight were detected with an array of 46 BaF$_2$ cryst… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.03932v1-abstract-full').style.display = 'inline'; document.getElementById('2110.03932v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.03932v1-abstract-full" style="display: none;"> The reduced transition probabilities $B(E2; 0^+_{g.s.}\rightarrow2_1^+,2^+_2)$ in $^{70}$Zn and the full $B(E2; 0^+_{g.s.}\rightarrow2^+)$ strength up to S$_n$=7.79 MeV in $^{68}$Ni have been determined at the LISE/GANIL facility using the Coulomb-excitation technique at intermediate beam energy on a $^{208}$Pb target. The $纬$ rays emitted in-flight were detected with an array of 46 BaF$_2$ crystals. The angles of the deflected nuclei were determined in order to disentangle and extract the Coulomb and nuclear contributions to the excitation of the 2$^+$ states. The measured $B(E2; 0^+_{g.s.}\rightarrow2_1^+)$ of 1432(124) e$^2$fm$^4$ for $^{70}$Zn falls in the lower part of the published values which clustered either around 1600 or above 2000 e$^2$fm$^4$, while the $B(E2; 0^+_{g.s.}\rightarrow2^+_2)$ of 53(7) e$^2$fm$^4$ agrees very well with the two published values. The relatively low $B(E2; 0^+_{g.s.}\rightarrow2_1^+)$ of 301(38) e$^2$fm$^4$ for $^{68}$Ni agrees with previous studies and confirms a local magicity at $Z=28, N=40$. Combining the results of the low-energy spectra of $^{68}$Ni and $^{70}$Zn and their shell-model interpretations, it is interesting to notice that four different shapes (spherical, oblate, prolate and triaxial) are present. Finally, a summed $E2$ strength of only about 150 e$^2$fm$^4$ has been found experimentally at high excitation energy, likely due to proton excitations across the $Z=28$ gap. The experimental distribution of this high-energy $E2$ excitation agrees with SM calculations, but its strength is about two times weaker. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.03932v1-abstract-full').style.display = 'none'; document.getElementById('2110.03932v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 October, 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/2109.06292">arXiv:2109.06292</a> <span> [<a href="https://arxiv.org/pdf/2109.06292">pdf</a>, <a href="https://arxiv.org/ps/2109.06292">ps</a>, <a href="https://arxiv.org/format/2109.06292">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> <p class="title is-5 mathjax"> Evidence for enhanced neutron-proton correlations from the level structure of the $N=Z+1$ nucleus $^{87}_{43}$Tc$^{\ }_{44}$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+X">X. Liu</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Qi%2C+C">C. Qi</a>, <a href="/search/nucl-ex?searchtype=author&query=Wyss%2C+R+A">R. A. Wyss</a>, <a href="/search/nucl-ex?searchtype=author&query=Aktas%2C+%C3%96">脰. Aktas</a>, <a href="/search/nucl-ex?searchtype=author&query=Ertoprak%2C+A">A. Ertoprak</a>, <a href="/search/nucl-ex?searchtype=author&query=Zhang%2C+W">W. Zhang</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Ralet%2C+D">D. Ralet</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Goasduff%2C+A">A. Goasduff</a>, <a href="/search/nucl-ex?searchtype=author&query=Jaworski%2C+G">G. Jaworski</a>, <a href="/search/nucl-ex?searchtype=author&query=Kuti%2C+I">I. Kuti</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyak%C3%B3%2C+B+M">B. M. Nyak贸</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Palacz%2C+M">M. Palacz</a>, <a href="/search/nucl-ex?searchtype=author&query=Wadsworth%2C+R">R. Wadsworth</a>, <a href="/search/nucl-ex?searchtype=author&query=Valiente-Dob%C3%B3n%2C+J+J">J. J. Valiente-Dob贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Azri%2C+H">H. Al-Azri</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+A+A">A. Ata莽 Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%A4ck%2C+T">T. B盲ck</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Doncel%2C+M">M. Doncel</a>, <a href="/search/nucl-ex?searchtype=author&query=Dudouet%2C+J">J. Dudouet</a> , et al. (47 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="2109.06292v1-abstract-short" style="display: inline;"> The low-lying excited states in the neutron-deficient $N=Z+1$ nucleus $^{87}_{43}$Tc$^{\ }_{44}$ have been studied via the fusion-evaporation reaction $^{54}$Fe($^{36}$Ar, $2n1p$)$^{87}$Tc at the Grand Acc茅l茅rateur National d'Ions Lourds (GANIL), France. The AGATA spectrometer was used in conjunction with the auxiliary NEDA, Neutron Wall, and DIAMANT detector arrays to measure coincident prompt… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.06292v1-abstract-full').style.display = 'inline'; document.getElementById('2109.06292v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2109.06292v1-abstract-full" style="display: none;"> The low-lying excited states in the neutron-deficient $N=Z+1$ nucleus $^{87}_{43}$Tc$^{\ }_{44}$ have been studied via the fusion-evaporation reaction $^{54}$Fe($^{36}$Ar, $2n1p$)$^{87}$Tc at the Grand Acc茅l茅rateur National d'Ions Lourds (GANIL), France. The AGATA spectrometer was used in conjunction with the auxiliary NEDA, Neutron Wall, and DIAMANT detector arrays to measure coincident prompt $纬$-rays, neutrons, and charged particles emitted in the reaction. A level scheme of $^{87}$Tc from the (9/2$^{+}_{g.s.}$) state to the (33/2$^{+}_{1}$) state was established based on 6 mutually coincident $纬$-ray transitions. The constructed level structure exhibits a rotational behavior with a sharp backbending at $\hbar蠅\approx 0.50$ MeV. A decrease in alignment frequency and increase in alignment sharpness in the odd-mass isotonic chains around $N=44$ is proposed as an effect of the enhanced isoscalar neutron-proton interactions in odd-mass nuclei when approaching the $N=Z$ line. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.06292v1-abstract-full').style.display = 'none'; document.getElementById('2109.06292v1-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 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2021. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2101.02363">arXiv:2101.02363</a> <span> [<a href="https://arxiv.org/pdf/2101.02363">pdf</a>, <a href="https://arxiv.org/format/2101.02363">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/PhysRevLett.126.072501">10.1103/PhysRevLett.126.072501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Shape changes in the mirror nuclei $^{70}$Kr and $^{70}$Se </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wimmer%2C+K">K. Wimmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Korten%2C+W">W. Korten</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Arici%2C+T">T. Arici</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Ando%2C+T">T. Ando</a>, <a href="/search/nucl-ex?searchtype=author&query=Baba%2C+H">H. Baba</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+S">S. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaroche%2C+J+-">J. -P. Delaroche</a>, <a href="/search/nucl-ex?searchtype=author&query=Doherty%2C+D+T">D. T. Doherty</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Girod%2C+M">M. Girod</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D">D. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Koyama%2C+S">S. Koyama</a>, <a href="/search/nucl-ex?searchtype=author&query=Motobayashi%2C+T">T. Motobayashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Nagamine%2C+S">S. Nagamine</a>, <a href="/search/nucl-ex?searchtype=author&query=Niikura%2C+M">M. Niikura</a> , et al. (13 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2101.02363v1-abstract-short" style="display: inline;"> We studied the proton-rich $T_z=-1$ nucleus $^{70}$Kr through inelastic scattering at intermediate energies in order to extract the reduced transition probability, $B(E2;\;0^+ \rightarrow 2^+)$. Comparison with the other members of the $A=70$ isospin triplet, $^{70}$Br and $^{70}$Se, studied in the same experiment, shows a $3蟽$ deviation from the expected linearity of the electromagnetic matrix el… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2101.02363v1-abstract-full').style.display = 'inline'; document.getElementById('2101.02363v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2101.02363v1-abstract-full" style="display: none;"> We studied the proton-rich $T_z=-1$ nucleus $^{70}$Kr through inelastic scattering at intermediate energies in order to extract the reduced transition probability, $B(E2;\;0^+ \rightarrow 2^+)$. Comparison with the other members of the $A=70$ isospin triplet, $^{70}$Br and $^{70}$Se, studied in the same experiment, shows a $3蟽$ deviation from the expected linearity of the electromagnetic matrix elements as a function of $T_z$. At present, no established nuclear structure theory can describe this observed deviation quantitatively. This is the first violation of isospin symmetry at this level observed in the transition matrix elements. A heuristic approach may explain the anomaly by a shape change between the mirror nuclei $^{70}$Kr and $^{70}$Se contrary to the model predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2101.02363v1-abstract-full').style.display = 'none'; document.getElementById('2101.02363v1-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 January, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">accepted PRL</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2010.14859">arXiv:2010.14859</a> <span> [<a href="https://arxiv.org/pdf/2010.14859">pdf</a>, <a href="https://arxiv.org/ps/2010.14859">ps</a>, <a href="https://arxiv.org/format/2010.14859">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2021.136183">10.1016/j.physletb.2021.136183 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Manifestation of the Berry phase in the atomic nucleus $^{213}$Pb </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Valiente-Dob%C3%B3n%2C+J+J">J. J. Valiente-Dob贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Benlliure%2C+J">J. Benlliure</a>, <a href="/search/nucl-ex?searchtype=author&query=Boutachkov%2C+P">P. Boutachkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bracco%2C+A">A. Bracco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruce%2C+A+M">A. M. Bruce</a>, <a href="/search/nucl-ex?searchtype=author&query=Camera%2C+F">F. Camera</a>, <a href="/search/nucl-ex?searchtype=author&query=Casarejos%2C+E">E. Casarejos</a>, <a href="/search/nucl-ex?searchtype=author&query=Cort%C3%A9s%2C+M+L">M. L. Cort茅s</a>, <a href="/search/nucl-ex?searchtype=author&query=Crespi%2C+F+C+L">F. C. L. Crespi</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Domingo-Pardo%2C+C">C. Domingo-Pardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Doncel%2C+M">M. Doncel</a>, <a href="/search/nucl-ex?searchtype=author&query=Engert%2C+T">T. Engert</a>, <a href="/search/nucl-ex?searchtype=author&query=Geissel%2C+H">H. Geissel</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Goel%2C+N">N. Goel</a>, <a href="/search/nucl-ex?searchtype=author&query=G%C3%B3rska%2C+M">M. G贸rska</a>, <a href="/search/nucl-ex?searchtype=author&query=Grebosz%2C+J">J. Grebosz</a> , et al. (35 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2010.14859v1-abstract-short" style="display: inline;"> The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $纬$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the n… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.14859v1-abstract-full').style.display = 'inline'; document.getElementById('2010.14859v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2010.14859v1-abstract-full" style="display: none;"> The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $纬$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum $J=0$. The conservation of seniority is a consequence of the Berry phase associated with particle-hole conjugation, which becomes gauge invariant and therefore observable in semi-magic nuclei where nucleons half-fill the valence shell. The $纬$-ray spectroscopic observables in $^{213}$Pb are thus found to be driven by two mechanisms, particle-hole conjugation and seniority conservation, which are intertwined through the Berry phase. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2010.14859v1-abstract-full').style.display = 'none'; document.getElementById('2010.14859v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2020. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.10576">arXiv:2008.10576</a> <span> [<a href="https://arxiv.org/pdf/2008.10576">pdf</a>, <a href="https://arxiv.org/format/2008.10576">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.103.014324">10.1103/PhysRevC.103.014324 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Beta decay of the very neutron-deficient $^{60}$Ge and $^{62}$Ge nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Orrigo%2C+S+E+A">S. E. A. Orrigo</a>, <a href="/search/nucl-ex?searchtype=author&query=Rubio%2C+B">B. Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=Gelletly%2C+W">W. Gelletly</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Agramunt%2C+J">J. Agramunt</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahn%2C+D+S">D. S. Ahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Ascher%2C+P">P. Ascher</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Borcea%2C+C">C. Borcea</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Cakirli%2C+R+B">R. B. Cakirli</a>, <a href="/search/nucl-ex?searchtype=author&query=Chiba%2C+J">J. Chiba</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Diel%2C+F">F. Diel</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Fujita%2C+Y">Y. Fujita</a>, <a href="/search/nucl-ex?searchtype=author&query=Fukuda%2C+N">N. Fukuda</a>, <a href="/search/nucl-ex?searchtype=author&query=Ganio%C4%9Flu%2C+E">E. Ganio臒lu</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerbaux%2C+M">M. Gerbaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Giovinazzo%2C+J">J. Giovinazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Go%2C+S">S. Go</a>, <a href="/search/nucl-ex?searchtype=author&query=Goigoux%2C+T">T. Goigoux</a> , et al. (26 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2008.10576v3-abstract-short" style="display: inline;"> We report here the results of a study of the $尾$ decay of the proton-rich Ge isotopes, $^{60}$Ge and $^{62}$Ge, produced in an experiment at the RIKEN Nishina Center. We have improved our knowledge of the half-lives of $^{62}$Ge (73.5(1) ms), $^{60}$Ge (25.0(3) ms) and its daughter nucleus, $^{60}$Ga (69.4(2) ms). We measured individual $尾$-delayed proton and $纬$ emissions and their related branch… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.10576v3-abstract-full').style.display = 'inline'; document.getElementById('2008.10576v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.10576v3-abstract-full" style="display: none;"> We report here the results of a study of the $尾$ decay of the proton-rich Ge isotopes, $^{60}$Ge and $^{62}$Ge, produced in an experiment at the RIKEN Nishina Center. We have improved our knowledge of the half-lives of $^{62}$Ge (73.5(1) ms), $^{60}$Ge (25.0(3) ms) and its daughter nucleus, $^{60}$Ga (69.4(2) ms). We measured individual $尾$-delayed proton and $纬$ emissions and their related branching ratios. Decay schemes and absolute Fermi and Gamow-Teller transition strengths have been determined. The mass excesses of the nuclei under study have been deduced. A total $尾$-delayed proton-emission branching ratio of 67(3)% has been obtained for $^{60}$Ge. New information has been obtained on the energy levels populated in $^{60}$Ga and on the 1/2$^-$ excited state in the $尾p$ daughter $^{59}$Zn. We extracted a ground state to ground state feeding of 85.3(3)% for the decay of $^{62}$Ge. Eight new $纬$ lines have been added to the de-excitation of levels populated in the $^{62}$Ga daughter. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.10576v3-abstract-full').style.display = 'none'; document.getElementById('2008.10576v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 12 figures, 5 tables. Physical Review C 103, 014324 (2021)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 103, 014324 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.10594">arXiv:2005.10594</a> <span> [<a href="https://arxiv.org/pdf/2005.10594">pdf</a>, <a href="https://arxiv.org/format/2005.10594">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/10.1140/epja/s10050-020-00171-3">10.1140/epja/s10050-020-00171-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Shape coexistence revealed in the $N=Z$ isotope $^{72}$Kr through inelastic scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wimmer%2C+K">K. Wimmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Arici%2C+T">T. Arici</a>, <a href="/search/nucl-ex?searchtype=author&query=Korten%2C+W">W. Korten</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Delaroche%2C+J+-">J. -P. Delaroche</a>, <a href="/search/nucl-ex?searchtype=author&query=Girod%2C+M">M. Girod</a>, <a href="/search/nucl-ex?searchtype=author&query=Libert%2C+J">J. Libert</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez%2C+T+R">T. R. Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Ando%2C+T">T. Ando</a>, <a href="/search/nucl-ex?searchtype=author&query=Baba%2C+H">H. Baba</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+S">S. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Doherty%2C+D+T">D. T. Doherty</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Goigoux%2C+T">T. Goigoux</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D">D. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiss%2C+G">G. Kiss</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.10594v2-abstract-short" style="display: inline;"> The $N=Z=36$ nucleus $^{72}$Kr has been studied by inelastic scattering at intermediate energies. Two targets, $^{9}$Be and $^{197}$Au, were used to extract the nuclear deformation length, $未_\text{N}$, and the reduced $E2$ transition probability, $B(E2)$. The previously unknown non-yrast $2^+$ and $4^+$ states as well as a new candidate for the octupole $3^-$ state have been observed in the scatt… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.10594v2-abstract-full').style.display = 'inline'; document.getElementById('2005.10594v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.10594v2-abstract-full" style="display: none;"> The $N=Z=36$ nucleus $^{72}$Kr has been studied by inelastic scattering at intermediate energies. Two targets, $^{9}$Be and $^{197}$Au, were used to extract the nuclear deformation length, $未_\text{N}$, and the reduced $E2$ transition probability, $B(E2)$. The previously unknown non-yrast $2^+$ and $4^+$ states as well as a new candidate for the octupole $3^-$ state have been observed in the scattering on the Be target and placed in the level scheme based on $纬-纬$ coincidences. The second $2^+$ state was also observed in the scattering on the Au target and the $B(E2;\;2^+_2 \rightarrow 0^+_1)$ value could be determined for the first time. Analyzing the results in terms of a two-band mixing model shows clear evidence for a oblate-prolate shape coexistence and can be explained by a shape change from an oblate ground state to prolate deformed yrast band from the first $2^+$ state. This interpretation is corroborated by beyond mean field calculations using the Gogny D1S interaction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.10594v2-abstract-full').style.display = 'none'; document.getElementById('2005.10594v2-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 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">12 pages, 11 figures, accepted European Physical Journal 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/2003.10147">arXiv:2003.10147</a> <span> [<a href="https://arxiv.org/pdf/2003.10147">pdf</a>, <a href="https://arxiv.org/format/2003.10147">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="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</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/10.1038/s41467-019-10494-5">10.1038/s41467-019-10494-5 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The observation of vibrating pear shapes in radon nuclei: update </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Butler%2C+P+A">P. A. Butler</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaffney%2C+L+P">L. P. Gaffney</a>, <a href="/search/nucl-ex?searchtype=author&query=Spagnoletti%2C+P">P. Spagnoletti</a>, <a href="/search/nucl-ex?searchtype=author&query=Konki%2C+J">J. Konki</a>, <a href="/search/nucl-ex?searchtype=author&query=Scheck%2C+M">M. Scheck</a>, <a href="/search/nucl-ex?searchtype=author&query=Smith%2C+J+F">J. F. Smith</a>, <a href="/search/nucl-ex?searchtype=author&query=Abrahams%2C+K">K. Abrahams</a>, <a href="/search/nucl-ex?searchtype=author&query=Bowry%2C+M">M. Bowry</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chupp%2C+T">T. Chupp</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Witte%2C+H">H. De Witte</a>, <a href="/search/nucl-ex?searchtype=author&query=Garrett%2C+P+E">P. E. Garrett</a>, <a href="/search/nucl-ex?searchtype=author&query=Goldkuhle%2C+A">A. Goldkuhle</a>, <a href="/search/nucl-ex?searchtype=author&query=Henrich%2C+C">C. Henrich</a>, <a href="/search/nucl-ex?searchtype=author&query=Illana%2C+A">A. Illana</a>, <a href="/search/nucl-ex?searchtype=author&query=Johnston%2C+K">K. Johnston</a>, <a href="/search/nucl-ex?searchtype=author&query=Joss%2C+D+T">D. T. Joss</a>, <a href="/search/nucl-ex?searchtype=author&query=Keatings%2C+J+M">J. M. Keatings</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelly%2C+N+A">N. A. Kelly</a>, <a href="/search/nucl-ex?searchtype=author&query=Komorowska%2C+M">M. Komorowska</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%B6ll%2C+T">T. Kr枚ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Lozano%2C+M">M. Lozano</a>, <a href="/search/nucl-ex?searchtype=author&query=Singh%2C+B+S+N">B. S. Nara Singh</a>, <a href="/search/nucl-ex?searchtype=author&query=O%27Donnell%2C+D">D. O'Donnell</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2003.10147v2-abstract-short" style="display: inline;"> There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the standard model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Her… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.10147v2-abstract-full').style.display = 'inline'; document.getElementById('2003.10147v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2003.10147v2-abstract-full" style="display: none;"> There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the standard model of particle physics. Isotopes of both radon and radium have been identified as candidates for such measurements. Here, we have observed the low-lying quantum states in $^{224}$Rn and $^{226}$Rn by accelerating beams of these radioactive nuclei. We report here additional states not assigned in our 2019 publication. We show that radon isotopes undergo octupole vibrations but do not possess static pear-shapes in their ground states. We conclude that radon atoms provide less favourable conditions for the enhancement of a measurable atomic electric-dipole moment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2003.10147v2-abstract-full').style.display = 'none'; document.getElementById('2003.10147v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 March, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Updated from Nat. Comm. 10 (2019) 2473</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.09681">arXiv:2001.09681</a> <span> [<a href="https://arxiv.org/pdf/2001.09681">pdf</a>, <a href="https://arxiv.org/format/2001.09681">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="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Atomic Physics">physics.atom-ph</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.124.042503">10.1103/PhysRevLett.124.042503 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive $^{222}$Ra and $^{228}$Ra Beams </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Butler%2C+P+A">P. A. Butler</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaffney%2C+L+P">L. P. Gaffney</a>, <a href="/search/nucl-ex?searchtype=author&query=Spagnoletti%2C+P">P. Spagnoletti</a>, <a href="/search/nucl-ex?searchtype=author&query=Abrahams%2C+K">K. Abrahams</a>, <a href="/search/nucl-ex?searchtype=author&query=Bowry%2C+M">M. Bowry</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Witte%2C+H">H. De Witte</a>, <a href="/search/nucl-ex?searchtype=author&query=Garrett%2C+P+E">P. E. Garrett</a>, <a href="/search/nucl-ex?searchtype=author&query=Goldkuhle%2C+A">A. Goldkuhle</a>, <a href="/search/nucl-ex?searchtype=author&query=Henrich%2C+C">C. Henrich</a>, <a href="/search/nucl-ex?searchtype=author&query=Illana%2C+A">A. Illana</a>, <a href="/search/nucl-ex?searchtype=author&query=Johnston%2C+K">K. Johnston</a>, <a href="/search/nucl-ex?searchtype=author&query=Joss%2C+D+T">D. T. Joss</a>, <a href="/search/nucl-ex?searchtype=author&query=Keatings%2C+J+M">J. M. Keatings</a>, <a href="/search/nucl-ex?searchtype=author&query=Kelly%2C+N+A">N. A. Kelly</a>, <a href="/search/nucl-ex?searchtype=author&query=Komorowska%2C+M">M. Komorowska</a>, <a href="/search/nucl-ex?searchtype=author&query=Konki%2C+J">J. Konki</a>, <a href="/search/nucl-ex?searchtype=author&query=Kr%C3%B6ll%2C+T">T. Kr枚ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Lozano%2C+M">M. Lozano</a>, <a href="/search/nucl-ex?searchtype=author&query=Singh%2C+B+S+N">B. S. Nara Singh</a>, <a href="/search/nucl-ex?searchtype=author&query=O%27Donnell%2C+D">D. O'Donnell</a>, <a href="/search/nucl-ex?searchtype=author&query=Ojala%2C+J">J. Ojala</a>, <a href="/search/nucl-ex?searchtype=author&query=Page%2C+R+D">R. D. Page</a>, <a href="/search/nucl-ex?searchtype=author&query=Pedersen%2C+L+G">L. G. Pedersen</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="2001.09681v1-abstract-short" style="display: inline;"> There is sparse direct experimental evidence that atomic nuclei can exhibit stable pear shapes arising from strong octupole correlations. In order to investigate the nature of octupole collectivity in radium isotopes, electric octupole ($E3$) matrix elements have been determined for transitions in $^{222,228}$Ra nuclei using the method of sub-barrier, multi-step Coulomb excitation. Beams of the ra… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09681v1-abstract-full').style.display = 'inline'; document.getElementById('2001.09681v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.09681v1-abstract-full" style="display: none;"> There is sparse direct experimental evidence that atomic nuclei can exhibit stable pear shapes arising from strong octupole correlations. In order to investigate the nature of octupole collectivity in radium isotopes, electric octupole ($E3$) matrix elements have been determined for transitions in $^{222,228}$Ra nuclei using the method of sub-barrier, multi-step Coulomb excitation. Beams of the radioactive radium isotopes were provided by the HIE-ISOLDE facility at CERN. The observed pattern of $E$3 matrix elements for different nuclear transitions is explained by describing $^{222}$Ra as pear-shaped with stable octupole deformation, while $^{228}$Ra behaves like an octupole vibrator. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09681v1-abstract-full').style.display = 'none'; document.getElementById('2001.09681v1-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">Comments:</span> <span class="has-text-grey-dark mathjax">to be published in Physical Review Letters</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.09035">arXiv:2001.09035</a> <span> [<a href="https://arxiv.org/pdf/2001.09035">pdf</a>, <a href="https://arxiv.org/format/2001.09035">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.102.014318">10.1103/PhysRevC.102.014318 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Shape coexistence in the neutron-deficient $^{188}$Hg investigated via lifetime measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Siciliano%2C+M">M. Siciliano</a>, <a href="/search/nucl-ex?searchtype=author&query=Zanon%2C+I">I. Zanon</a>, <a href="/search/nucl-ex?searchtype=author&query=Goasduff%2C+A">A. Goasduff</a>, <a href="/search/nucl-ex?searchtype=author&query=John%2C+P+R">P. R. John</a>, <a href="/search/nucl-ex?searchtype=author&query=Rodr%C3%ADguez%2C+T+R">T. R. Rodr铆guez</a>, <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9ru%2C+S">S. P茅ru</a>, <a href="/search/nucl-ex?searchtype=author&query=Deloncle%2C+I">I. Deloncle</a>, <a href="/search/nucl-ex?searchtype=author&query=Libert%2C+J">J. Libert</a>, <a href="/search/nucl-ex?searchtype=author&query=Zieli%C5%84ska%2C+M">M. Zieli艅ska</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashad%2C+D">D. Ashad</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Birkenbach%2C+B">B. Birkenbach</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Braunroth%2C+T">T. Braunroth</a>, <a href="/search/nucl-ex?searchtype=author&query=Cicerchia%2C+M">M. Cicerchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Cieplicka-Ory%C5%84czak%2C+N">N. Cieplicka-Ory艅czak</a>, <a href="/search/nucl-ex?searchtype=author&query=Colucci%2C+G">G. Colucci</a>, <a href="/search/nucl-ex?searchtype=author&query=Davide%2C+F">F. Davide</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Canditiis%2C+B">B. de Canditiis</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaffney%2C+L+P">L. P. Gaffney</a>, <a href="/search/nucl-ex?searchtype=author&query=Galtarossa%2C+F">F. Galtarossa</a>, <a href="/search/nucl-ex?searchtype=author&query=Gozzelino%2C+A">A. Gozzelino</a> , et al. (19 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2001.09035v2-abstract-short" style="display: inline;"> Shape coexistence in the $Z \approx 82$ region has been established in mercury, lead and polonium isotopes. Even-even mercury isotopes with $100 \leq N \leq 106$ present multiple fingerprints of this phenomenon, which seems to be no longer present for $N \geq 110$. According to a number of theoretical calculations, shape coexistence is predicted in the $^{188}$Hg isotope. The $^{188}$Hg nucleus wa… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09035v2-abstract-full').style.display = 'inline'; document.getElementById('2001.09035v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.09035v2-abstract-full" style="display: none;"> Shape coexistence in the $Z \approx 82$ region has been established in mercury, lead and polonium isotopes. Even-even mercury isotopes with $100 \leq N \leq 106$ present multiple fingerprints of this phenomenon, which seems to be no longer present for $N \geq 110$. According to a number of theoretical calculations, shape coexistence is predicted in the $^{188}$Hg isotope. The $^{188}$Hg nucleus was populated using two different fusion-evaporation reactions with two targets, $^{158}$Gd and $^{160}$Gd, and a beam of $^{34}$S, provided by the Tandem-ALPI accelerators complex at the Laboratori Nazionali di Legnaro. The channels of interest were selected using the information from the Neutron Wall array, while the $纬$ rays were detected using the GALILEO $纬$-ray array. The lifetimes of the excited states were determined using the Recoil Distance Doppler-Shift method, employing the dedicated GALILEO plunger device. Using the two-bands mixing and rotational models, the deformation of the pure configurations was obtained from the experimental results. The extracted transition strengths were compared with those calculated with the state-of-the-art symmetry-conserving configuration-mixing (SCCM) and five-dimentional collective Hamiltonian (5DCH) approaches in order to shed light on the nature of the observed structures in the $^{188}$Hg nucleus. An oblate, a normal- and a super-deformed prolate bands were predicted and their underlying shell structure was also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.09035v2-abstract-full').style.display = 'none'; document.getElementById('2001.09035v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 February, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 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">Comments:</span> <span class="has-text-grey-dark mathjax">v1: 13 pages, 10 figures, comparison between IBM-CM and SCCM calculations; v2: 16 pages, 13 figures, discussion on the mixing amplitudes from the experimental B(E2) values, comparison between SCCM and 5DCH calculations</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 102, 014318 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.00976">arXiv:2001.00976</a> <span> [<a href="https://arxiv.org/pdf/2001.00976">pdf</a>, <a href="https://arxiv.org/format/2001.00976">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/PhysRevLett.124.062502">10.1103/PhysRevLett.124.062502 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Tang%2C+T+L">T. L. Tang</a>, <a href="/search/nucl-ex?searchtype=author&query=Kay%2C+B+P">B. P. Kay</a>, <a href="/search/nucl-ex?searchtype=author&query=Hoffman%2C+C+R">C. R. Hoffman</a>, <a href="/search/nucl-ex?searchtype=author&query=Schiffer%2C+J+P">J. P. Schiffer</a>, <a href="/search/nucl-ex?searchtype=author&query=Sharp%2C+D+K">D. K. Sharp</a>, <a href="/search/nucl-ex?searchtype=author&query=Gaffney%2C+L+P">L. P. Gaffney</a>, <a href="/search/nucl-ex?searchtype=author&query=Freeman%2C+S+J">S. J. Freeman</a>, <a href="/search/nucl-ex?searchtype=author&query=Mumpower%2C+M+R">M. R. Mumpower</a>, <a href="/search/nucl-ex?searchtype=author&query=Arokiaraj%2C+A">A. Arokiaraj</a>, <a href="/search/nucl-ex?searchtype=author&query=Baader%2C+E+F">E. F. Baader</a>, <a href="/search/nucl-ex?searchtype=author&query=Butler%2C+P+A">P. A. Butler</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Flavigny%2C+F">F. Flavigny</a>, <a href="/search/nucl-ex?searchtype=author&query=Gott%2C+M+D">M. D. Gott</a>, <a href="/search/nucl-ex?searchtype=author&query=Gregor%2C+E+T">E. T. Gregor</a>, <a href="/search/nucl-ex?searchtype=author&query=Konki%2C+J">J. Konki</a>, <a href="/search/nucl-ex?searchtype=author&query=Labiche%2C+M">M. Labiche</a>, <a href="/search/nucl-ex?searchtype=author&query=Lazurus%2C+I+H">I. H. Lazurus</a>, <a href="/search/nucl-ex?searchtype=author&query=MacGregor%2C+P+T">P. T. MacGregor</a>, <a href="/search/nucl-ex?searchtype=author&query=Martel%2C+I">I. Martel</a>, <a href="/search/nucl-ex?searchtype=author&query=Page%2C+R+D">R. D. Page</a>, <a href="/search/nucl-ex?searchtype=author&query=Podoly%C3%A1k%2C+Z">Zs. Podoly谩k</a>, <a href="/search/nucl-ex?searchtype=author&query=Poleshchuk%2C+O">O. Poleshchuk</a>, <a href="/search/nucl-ex?searchtype=author&query=Raabe%2C+R">R. Raabe</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="2001.00976v1-abstract-short" style="display: inline;"> The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical $r$-process in producing nuclei heavier than $A\sim190$. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. In a first exploration of the shell structure of this region,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.00976v1-abstract-full').style.display = 'inline'; document.getElementById('2001.00976v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.00976v1-abstract-full" style="display: none;"> The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical $r$-process in producing nuclei heavier than $A\sim190$. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. In a first exploration of the shell structure of this region, neutron excitations in $^{207}$Hg have been probed using the neutron-adding ($d$,$p$) reaction in inverse kinematics. The radioactive beam of $^{206}$Hg was delivered to the new ISOLDE Solenoidal Spectrometer at an energy above the Coulomb barrier. The spectroscopy of $^{207}$Hg marks a first step in improving our understanding of the relevant structural properties of nuclei involved in a key part of the path of the $r$-process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.00976v1-abstract-full').style.display = 'none'; document.getElementById('2001.00976v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 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">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">Report number:</span> LA-UR-19-30930 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1906.04067">arXiv:1906.04067</a> <span> [<a href="https://arxiv.org/pdf/1906.04067">pdf</a>, <a href="https://arxiv.org/format/1906.04067">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2019.06.014">10.1016/j.physletb.2019.06.014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Discovery of $^{68}$Br in secondary reactions of radioactive beams </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wimmer%2C+K">K. Wimmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Korten%2C+W">W. Korten</a>, <a href="/search/nucl-ex?searchtype=author&query=Arici%2C+T">T. Arici</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Ando%2C+T">T. Ando</a>, <a href="/search/nucl-ex?searchtype=author&query=Baba%2C+H">H. Baba</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+S">S. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Doherty%2C+D+T">D. T. Doherty</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernhaeuser%2C+R">R. Gernhaeuser</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D">D. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Koyama%2C+S">S. Koyama</a>, <a href="/search/nucl-ex?searchtype=author&query=Motobayashi%2C+T">T. Motobayashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Nagamine%2C+S">S. Nagamine</a>, <a href="/search/nucl-ex?searchtype=author&query=Niikura%2C+M">M. Niikura</a>, <a href="/search/nucl-ex?searchtype=author&query=Obertelli%2C+A">A. Obertelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Lubos%2C+D">D. Lubos</a> , et al. (9 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1906.04067v1-abstract-short" style="display: inline;"> The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary 9Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.04067v1-abstract-full').style.display = 'inline'; document.getElementById('1906.04067v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1906.04067v1-abstract-full" style="display: none;"> The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKEN Nishina Center and identified by the BigRIPS fragment separator, impinged on a secondary 9Be target. Unambiguous particle identification behind the secondary target was achieved with the ZeroDegree spectrometer. Based on the expected direct production cross sections from neighboring isotopes, the lifetime of the ground or long-lived isomeric state of 68Br was estimated. The results suggest that secondary fragmentation reactions, where relatively few nucleons are removed from the projectile, offer an alternative way to search for new isotopes, as these reactions populate preferentially low-lying states. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.04067v1-abstract-full').style.display = 'none'; document.getElementById('1906.04067v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">Phys. Lett. B accepted</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1903.01296">arXiv:1903.01296</a> <span> [<a href="https://arxiv.org/pdf/1903.01296">pdf</a>, <a href="https://arxiv.org/format/1903.01296">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"> High resolution $纬$-ray spectroscopy using GALILEO array </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Testov%2C+D">D. Testov</a>, <a href="/search/nucl-ex?searchtype=author&query=Valiente-Dob%C3%B3n%2C+J+J">J. J. Valiente-Dob贸n</a>, <a href="/search/nucl-ex?searchtype=author&query=Mengoni%2C+D">D. Mengoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Recchia%2C+F">F. Recchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Goasduff%2C+A">A. Goasduff</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Bakes%2C+S">S. Bakes</a>, <a href="/search/nucl-ex?searchtype=author&query=Boiano%2C+C">C. Boiano</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Colucci%2C+G">G. Colucci</a>, <a href="/search/nucl-ex?searchtype=author&query=Cicerchia%2C+M">M. Cicerchia</a>, <a href="/search/nucl-ex?searchtype=author&query=%C4%8Colovi%C4%87%2C+P">P. 膶olovi膰</a>, <a href="/search/nucl-ex?searchtype=author&query=Didierjean%2C+F">F. Didierjean</a>, <a href="/search/nucl-ex?searchtype=author&query=Doncel%2C+M">M. Doncel</a>, <a href="/search/nucl-ex?searchtype=author&query=%7Bn%7Das%2C+J+A+D">J. A. Due\ {n}as</a>, <a href="/search/nucl-ex?searchtype=author&query=Galtarossa%2C+F">F. Galtarossa</a>, <a href="/search/nucl-ex?searchtype=author&query=Gozzelino%2C+A">A. Gozzelino</a>, <a href="/search/nucl-ex?searchtype=author&query=Hady%C5%84ska-Kl%C8%A9k%2C+K">K. Hady艅ska-Kl醛k</a>, <a href="/search/nucl-ex?searchtype=author&query=Isocrate%2C+R">R. Isocrate</a>, <a href="/search/nucl-ex?searchtype=author&query=Jaworski%2C+G">G. Jaworski</a>, <a href="/search/nucl-ex?searchtype=author&query=John%2C+P+R">P. R. John</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+H">H. Liu</a> , et al. (15 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1903.01296v1-abstract-short" style="display: inline;"> The GALILEO $纬$-ray spectrometer has been constructed at the Legnaro National Laboratory of INFN (LNL-INFN). It can be coupled to advanced ancillary devices which allows nuclear structure studies employing the variety of in-beam $纬$-ray spectroscopy methods. Such studies benefit from reactions induced by the intense stable beams delivered by the Tandem-ALPI-PIAVE accelerator complex and by the rad… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.01296v1-abstract-full').style.display = 'inline'; document.getElementById('1903.01296v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1903.01296v1-abstract-full" style="display: none;"> The GALILEO $纬$-ray spectrometer has been constructed at the Legnaro National Laboratory of INFN (LNL-INFN). It can be coupled to advanced ancillary devices which allows nuclear structure studies employing the variety of in-beam $纬$-ray spectroscopy methods. Such studies benefit from reactions induced by the intense stable beams delivered by the Tandem-ALPI-PIAVE accelerator complex and by the radioactive beams which will be provided by the SPES facility. In this paper we outline two experiments performed within the experimental campaign at GALILEO coupled to the EUCLIDES Si-ball and the Neutron Wall array. The first one was aimed at spectroscopic studies in A=31 mirror nuclei and the second one at measurements of lifetimes of excited states in nuclei in the vicinity of $^{100}$Sn. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.01296v1-abstract-full').style.display = 'none'; document.getElementById('1903.01296v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 March, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">The IX International Symposium on EXOtic Nuclei (EXON-2018)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.05262">arXiv:1902.05262</a> <span> [<a href="https://arxiv.org/pdf/1902.05262">pdf</a>, <a href="https://arxiv.org/format/1902.05262">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> <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/10.1393/ncr/i2019-10157-1">10.1393/ncr/i2019-10157-1 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Experimental nuclear astrophysics in Italy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Broggini%2C+C">C. Broggini</a>, <a href="/search/nucl-ex?searchtype=author&query=Straniero%2C+O">O. Straniero</a>, <a href="/search/nucl-ex?searchtype=author&query=Taiuti%2C+M+G+F">M. G. F. Taiuti</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruno%2C+G+E">G. E. Bruno</a>, <a href="/search/nucl-ex?searchtype=author&query=Bufalino%2C+S">S. Bufalino</a>, <a href="/search/nucl-ex?searchtype=author&query=Cardella%2C+G">G. Cardella</a>, <a href="/search/nucl-ex?searchtype=author&query=Colonna%2C+N">N. Colonna</a>, <a href="/search/nucl-ex?searchtype=author&query=Contalbrigo%2C+M">M. Contalbrigo</a>, <a href="/search/nucl-ex?searchtype=author&query=Cosentino%2C+G">G. Cosentino</a>, <a href="/search/nucl-ex?searchtype=author&query=Cristallo%2C+S">S. Cristallo</a>, <a href="/search/nucl-ex?searchtype=author&query=Curceanu%2C+C">C. Curceanu</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=Depalo%2C+R">R. Depalo</a>, <a href="/search/nucl-ex?searchtype=author&query=Di+Leva%2C+A">A. Di Leva</a>, <a href="/search/nucl-ex?searchtype=author&query=Feliciello%2C+A">A. Feliciello</a>, <a href="/search/nucl-ex?searchtype=author&query=Gammino%2C+S">S. Gammino</a>, <a href="/search/nucl-ex?searchtype=author&query=Galat%C3%A0%2C+A">A. Galat脿</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=Lea%2C+R">R. Lea</a>, <a href="/search/nucl-ex?searchtype=author&query=Leoni%2C+S">S. Leoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Lombardo%2C+I">I. Lombardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Manzari%2C+V">V. Manzari</a>, <a href="/search/nucl-ex?searchtype=author&query=Mascali%2C+D">D. Mascali</a> , et al. (14 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="1902.05262v3-abstract-short" style="display: inline;"> Nuclear astrophysics, the union of nuclear physics and astronomy, went through an impressive expansion during the last twenty years. This could be achieved thanks to milestone improvements in astronomical observations, cross section measurements, powerful computer simulations and much refined stellar models. Italian groups are giving quite important contributions to every domain of nuclear astroph… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05262v3-abstract-full').style.display = 'inline'; document.getElementById('1902.05262v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.05262v3-abstract-full" style="display: none;"> Nuclear astrophysics, the union of nuclear physics and astronomy, went through an impressive expansion during the last twenty years. This could be achieved thanks to milestone improvements in astronomical observations, cross section measurements, powerful computer simulations and much refined stellar models. Italian groups are giving quite important contributions to every domain of nuclear astrophysics, sometimes being the leaders of worldwide unique experiments. In this paper we will discuss the astrophysical scenarios where nuclear astrophysics plays a key role and we will provide detailed descriptions of the present and future of the experiments on nuclear astrophysics which belong to the scientific programme of INFN (the National Institute for Nuclear Physics in Italy). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.05262v3-abstract-full').style.display = 'none'; document.getElementById('1902.05262v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">Added paragraphs 5.6 and 7.2. Paragraph 7.3 (former 7.2) revised. Accepted for publication in La Rivista del Nuovo Cimento</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Rivista del Nuovo Cimento 42, 3 (2019) pp. 103-152 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.06728">arXiv:1807.06728</a> <span> [<a href="https://arxiv.org/pdf/1807.06728">pdf</a>, <a href="https://arxiv.org/ps/1807.06728">ps</a>, <a href="https://arxiv.org/format/1807.06728">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2018.07.067">10.1016/j.physletb.2018.07.067 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Shape coexistence and isospin symmetry in $A=70$ nuclei: Spectroscopy of the $T_z = -1$ nucleus $^{70}$Kr </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Wimmer%2C+K">K. Wimmer</a>, <a href="/search/nucl-ex?searchtype=author&query=Korten%2C+W">W. Korten</a>, <a href="/search/nucl-ex?searchtype=author&query=Arici%2C+T">T. Arici</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Ando%2C+T">T. Ando</a>, <a href="/search/nucl-ex?searchtype=author&query=Baba%2C+H">H. Baba</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Chen%2C+S">S. Chen</a>, <a href="/search/nucl-ex?searchtype=author&query=Corsi%2C+A">A. Corsi</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Doherty%2C+D">D. Doherty</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerl%2C+J">J. Gerl</a>, <a href="/search/nucl-ex?searchtype=author&query=Gernh%C3%A4user%2C+R">R. Gernh盲user</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D">D. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Koyama%2C+S">S. Koyama</a>, <a href="/search/nucl-ex?searchtype=author&query=Motobayashi%2C+T">T. Motobayashi</a>, <a href="/search/nucl-ex?searchtype=author&query=Nagamine%2C+S">S. Nagamine</a>, <a href="/search/nucl-ex?searchtype=author&query=Niikura%2C+M">M. Niikura</a>, <a href="/search/nucl-ex?searchtype=author&query=Obertelli%2C+A">A. Obertelli</a>, <a href="/search/nucl-ex?searchtype=author&query=Lubos%2C+D">D. Lubos</a> , et al. (9 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.06728v1-abstract-short" style="display: inline;"> Excited states in the $T_z=-1$ nucleus $^{70}$Kr have been populated using inelastic scattering of a radioactive $^{70}$Kr beam as well as one- and two-neutron removal reactions from $^{71,72}$Kr at intermediate beam energies. The level scheme of $^{70}$Kr was constructed from the observed $纬$-ray transitions and coincidences. Tentative spin and parity assignments were made based on comparison wit… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.06728v1-abstract-full').style.display = 'inline'; document.getElementById('1807.06728v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.06728v1-abstract-full" style="display: none;"> Excited states in the $T_z=-1$ nucleus $^{70}$Kr have been populated using inelastic scattering of a radioactive $^{70}$Kr beam as well as one- and two-neutron removal reactions from $^{71,72}$Kr at intermediate beam energies. The level scheme of $^{70}$Kr was constructed from the observed $纬$-ray transitions and coincidences. Tentative spin and parity assignments were made based on comparison with the mirror nucleus $^{70}$Se. A second $2^+$ state and a candidate for the corresponding $4^+_2$ state suggest shape coexistence in $^{70}$Kr. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.06728v1-abstract-full').style.display = 'none'; document.getElementById('1807.06728v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">accepted Phys. Lett. B</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.11207">arXiv:1710.11207</a> <span> [<a href="https://arxiv.org/pdf/1710.11207">pdf</a>, <a href="https://arxiv.org/format/1710.11207">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2018.04.049">10.1016/j.physletb.2018.04.049 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Is Seniority a Partial Dynamic Symmetry in the First $谓g_{9/2}$ Shell? </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Watanabe%2C+H">H. Watanabe</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Nishimura%2C+S">S. Nishimura</a>, <a href="/search/nucl-ex?searchtype=author&query=Coraggio%2C+L">L. Coraggio</a>, <a href="/search/nucl-ex?searchtype=author&query=Gargano%2C+A">A. Gargano</a>, <a href="/search/nucl-ex?searchtype=author&query=Itaco%2C+N">N. Itaco</a>, <a href="/search/nucl-ex?searchtype=author&query=Otsuka%2C+T">T. Otsuka</a>, <a href="/search/nucl-ex?searchtype=author&query=Tsunoda%2C+Y">Y. Tsunoda</a>, <a href="/search/nucl-ex?searchtype=author&query=Van+Isacker%2C+P">P. Van Isacker</a>, <a href="/search/nucl-ex?searchtype=author&query=Browne%2C+F">F. Browne</a>, <a href="/search/nucl-ex?searchtype=author&query=Daido%2C+R">R. Daido</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Fang%2C+Y">Y. Fang</a>, <a href="/search/nucl-ex?searchtype=author&query=Lorusso%2C+G">G. Lorusso</a>, <a href="/search/nucl-ex?searchtype=author&query=Patel%2C+Z">Z. Patel</a>, <a href="/search/nucl-ex?searchtype=author&query=Rice%2C+S">S. Rice</a>, <a href="/search/nucl-ex?searchtype=author&query=Sinclair%2C+L">L. Sinclair</a>, <a href="/search/nucl-ex?searchtype=author&query=S%C3%B6derstr%C3%B6m%2C+P+-">P. -A. S枚derstr枚m</a>, <a href="/search/nucl-ex?searchtype=author&query=Sumikama%2C+T">T. Sumikama</a>, <a href="/search/nucl-ex?searchtype=author&query=Wu%2C+J">J. Wu</a>, <a href="/search/nucl-ex?searchtype=author&query=Xu%2C+Z+Y">Z. Y. Xu</a>, <a href="/search/nucl-ex?searchtype=author&query=Yagi%2C+A">A. Yagi</a>, <a href="/search/nucl-ex?searchtype=author&query=Yokoyama%2C+R">R. Yokoyama</a> , et al. (38 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1710.11207v2-abstract-short" style="display: inline;"> The low-lying structures of the midshell $谓g_{9/2}$ Ni isotopes $^{72}$Ni and $^{74}$Ni have been investigated at the RIBF facility in RIKEN within the EURICA collaboration. Previously unobserved low-lying states were accessed for the first time following $尾$ decay of the mother nuclei $^{72}$Co and $^{74}$Co. As a result, we provide a complete picture in terms of the seniority scheme up to the fi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.11207v2-abstract-full').style.display = 'inline'; document.getElementById('1710.11207v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.11207v2-abstract-full" style="display: none;"> The low-lying structures of the midshell $谓g_{9/2}$ Ni isotopes $^{72}$Ni and $^{74}$Ni have been investigated at the RIBF facility in RIKEN within the EURICA collaboration. Previously unobserved low-lying states were accessed for the first time following $尾$ decay of the mother nuclei $^{72}$Co and $^{74}$Co. As a result, we provide a complete picture in terms of the seniority scheme up to the first $(8^+)$ levels for both nuclei. The experimental results are compared to shell-model calculations in order to define to what extent the seniority quantum number is preserved in the first neutron $g_{9/2}$ shell. We find that the disappearance of the seniority isomerism in the $(8^+_1)$ states can be explained by a lowering of the seniority-four $(6^+)$ levels as predicted years ago. For $^{74}$Ni, the internal de-excitation pattern of the newly observed $(6^+_2)$ state supports a restoration of the normal seniority ordering up to spin $J=4$. This property, unexplained by the shell-model calculations, is in agreement with a dominance of the single-particle spherical regime near $^{78}$Ni. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.11207v2-abstract-full').style.display = 'none'; document.getElementById('1710.11207v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1704.07610">arXiv:1704.07610</a> <span> [<a href="https://arxiv.org/pdf/1704.07610">pdf</a>, <a href="https://arxiv.org/ps/1704.07610">ps</a>, <a href="https://arxiv.org/format/1704.07610">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.95.064327">10.1103/PhysRevC.95.064327 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Simultaneous investigation of the $\mathbf{T=1~ (J^蟺=0^+)}$ and $\mathbf{T=0 ~ (J^蟺=9^+)}$ $尾$ decays in $^{70}$Br </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Rubio%2C+B">B. Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=Kaneko%2C+K">K. Kaneko</a>, <a href="/search/nucl-ex?searchtype=author&query=Nishimura%2C+S">S. Nishimura</a>, <a href="/search/nucl-ex?searchtype=author&query=Aguilera%2C+P">P. Aguilera</a>, <a href="/search/nucl-ex?searchtype=author&query=Orrigo%2C+S+E+A">S. E. A. Orrigo</a>, <a href="/search/nucl-ex?searchtype=author&query=Molina%2C+F">F. Molina</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Recchia%2C+F">F. Recchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiss%2C+G">G. Kiss</a>, <a href="/search/nucl-ex?searchtype=author&query=Phong%2C+V+H">V. H. Phong</a>, <a href="/search/nucl-ex?searchtype=author&query=Wu%2C+J">J. Wu</a>, <a href="/search/nucl-ex?searchtype=author&query=Nishimura%2C+D">D. Nishimura</a>, <a href="/search/nucl-ex?searchtype=author&query=Oikawa%2C+H">H. Oikawa</a>, <a href="/search/nucl-ex?searchtype=author&query=Goigoux%2C+T">T. Goigoux</a>, <a href="/search/nucl-ex?searchtype=author&query=Giovinazzo%2C+J">J. Giovinazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Ascher%2C+P">P. Ascher</a>, <a href="/search/nucl-ex?searchtype=author&query=Agramunt%2C+J">J. Agramunt</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahn%2C+D+S">D. S. Ahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Baba%2C+H">H. Baba</a>, <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Borcea%2C+C">C. Borcea</a>, <a href="/search/nucl-ex?searchtype=author&query=Boso%2C+A">A. Boso</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a> , et al. (33 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="1704.07610v1-abstract-short" style="display: inline;"> The $尾$ decay of the odd-odd nucleus $^{70}$Br has been investigated with the BigRIPS and EURICA setups at the Radioactive Ion Beam Factory (RIBF) of the RIKEN Nishina Center. The $T=0$ ($J^蟺=9^+$) and $T=1$ ($J^蟺=0^+$) isomers have both been produced in in-flight fragmentation of $^{78}$Kr with ratios of 41.6(8)\% and 58.4(8)\%, respectively. A half-life of $t_{1/2}=2157^{+53}_{-49}$ ms has been… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1704.07610v1-abstract-full').style.display = 'inline'; document.getElementById('1704.07610v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1704.07610v1-abstract-full" style="display: none;"> The $尾$ decay of the odd-odd nucleus $^{70}$Br has been investigated with the BigRIPS and EURICA setups at the Radioactive Ion Beam Factory (RIBF) of the RIKEN Nishina Center. The $T=0$ ($J^蟺=9^+$) and $T=1$ ($J^蟺=0^+$) isomers have both been produced in in-flight fragmentation of $^{78}$Kr with ratios of 41.6(8)\% and 58.4(8)\%, respectively. A half-life of $t_{1/2}=2157^{+53}_{-49}$ ms has been measured for the $J^蟺=9^+$ isomer from $纬$-ray time decay analysis. Based on this result, we provide a new value of the half-life for the $J^蟺=0^+$ ground state of $^{70}$Br, $t_{1/2}=78.42\pm0.51$ ms, which is slightly more precise, and in excellent agreement, with the best measurement reported hitherto in the literature. For this decay, we provide the first estimate of the total branching fraction decaying through the $2^+_1$ state in the daughter nucleus $^{70}$Se, $R(2^+_1)=1.3\pm1.1\%$. We also report four new low-intensity $纬$-ray transitions at 661, 1103, 1561, and 1749 keV following the $尾$ decay of the $J^蟺=9^+$ isomer. Based on their coincidence relationships, we tentatively propose two new excited states at 3945 and 4752 keV in $^{70}$Se with most probable spins and parities of $J^蟺=(6^+)$ and $(8^+)$, respectively. The observed structure is interpreted with the help of shell-model calculations, which predict a complex interplay between oblate and prolate configurations at low excitation energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1704.07610v1-abstract-full').style.display = 'none'; document.getElementById('1704.07610v1-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 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1605.05905">arXiv:1605.05905</a> <span> [<a href="https://arxiv.org/pdf/1605.05905">pdf</a>, <a href="https://arxiv.org/ps/1605.05905">ps</a>, <a href="https://arxiv.org/format/1605.05905">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.061301">10.1103/PhysRevC.93.061301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> New neutron-deficient isotopes from $^{78}$Kr fragmentation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Blank%2C+B">B. Blank</a>, <a href="/search/nucl-ex?searchtype=author&query=Goigoux%2C+T">T. Goigoux</a>, <a href="/search/nucl-ex?searchtype=author&query=Ascher%2C+P">P. Ascher</a>, <a href="/search/nucl-ex?searchtype=author&query=Gerbaux%2C+M">M. Gerbaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Giovinazzo%2C+J">J. Giovinazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Grevy%2C+S">S. Grevy</a>, <a href="/search/nucl-ex?searchtype=author&query=Nieto%2C+T+K">T. Kurtukian Nieto</a>, <a href="/search/nucl-ex?searchtype=author&query=Magron%2C+C">C. Magron</a>, <a href="/search/nucl-ex?searchtype=author&query=Agramunt%2C+J">J. Agramunt</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Guadilla%2C+V">V. Guadilla</a>, <a href="/search/nucl-ex?searchtype=author&query=Montaner-Piza%2C+A">A. Montaner-Piza</a>, <a href="/search/nucl-ex?searchtype=author&query=Morales%2C+A+I">A. I. Morales</a>, <a href="/search/nucl-ex?searchtype=author&query=Orrigo%2C+S+E+A">S. E. A. Orrigo</a>, <a href="/search/nucl-ex?searchtype=author&query=Rubio%2C+B">B. Rubio</a>, <a href="/search/nucl-ex?searchtype=author&query=Ahn%2C+D+S">D. S. Ahn</a>, <a href="/search/nucl-ex?searchtype=author&query=Doornenbal%2C+P">P. Doornenbal</a>, <a href="/search/nucl-ex?searchtype=author&query=Fukuda%2C+N">N. Fukuda</a>, <a href="/search/nucl-ex?searchtype=author&query=Inabe%2C+N">N. Inabe</a>, <a href="/search/nucl-ex?searchtype=author&query=Kiss%2C+G">G. Kiss</a>, <a href="/search/nucl-ex?searchtype=author&query=Kubo%2C+T">T. Kubo</a>, <a href="/search/nucl-ex?searchtype=author&query=Kubono%2C+S">S. Kubono</a>, <a href="/search/nucl-ex?searchtype=author&query=Nishimura%2C+S">S. Nishimura</a>, <a href="/search/nucl-ex?searchtype=author&query=Phong%2C+V+H">V. H. Phong</a>, <a href="/search/nucl-ex?searchtype=author&query=Sakurai%2C+H">H. Sakurai</a> , et al. (27 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="1605.05905v1-abstract-short" style="display: inline;"> In an experiment with the BigRIPS separator at the RIKEN Nishina Center, the fragmentation of a $^{78}$Kr beam allowed the observation of new neutron-deficient isotopes at the proton drip-line. Clean identification spectra could be produced and $^{63}$Se, $^{67}$Kr, and $^{68}$Kr were identified for the first time. In addition, $^{59}$Ge was also observed. Three of these isotopes, $^{59}$Ge,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.05905v1-abstract-full').style.display = 'inline'; document.getElementById('1605.05905v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1605.05905v1-abstract-full" style="display: none;"> In an experiment with the BigRIPS separator at the RIKEN Nishina Center, the fragmentation of a $^{78}$Kr beam allowed the observation of new neutron-deficient isotopes at the proton drip-line. Clean identification spectra could be produced and $^{63}$Se, $^{67}$Kr, and $^{68}$Kr were identified for the first time. In addition, $^{59}$Ge was also observed. Three of these isotopes, $^{59}$Ge, $^{63}$Se, and $^{67}$Kr, are potential candidates for ground-state two-proton radioactivity. In addition, the isotopes $^{58}$Ge, $^{62}$Se, and $^{66}$Kr were also sought but without success. The present experiment also allowed the determination of production cross sections for some of the most exotic isotopes. These measurements confirm the trend already observed that the empirical parameterization of fragmentation cross sections, EPAX, significantly overestimates experimental cross sections in this mass region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1605.05905v1-abstract-full').style.display = 'none'; document.getElementById('1605.05905v1-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 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">accepted as Rapid Communication in PRC</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 061301 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1304.3287">arXiv:1304.3287</a> <span> [<a href="https://arxiv.org/pdf/1304.3287">pdf</a>, <a href="https://arxiv.org/ps/1304.3287">ps</a>, <a href="https://arxiv.org/format/1304.3287">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.87.044328">10.1103/PhysRevC.87.044328 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $纬$-ray linear polarization measurements and $(g_{9/2})^{-3}$ neutron alignment in $^{91}$Ru </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Zheng%2C+Y">Y. Zheng</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Wadsworth%2C+R">R. Wadsworth</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%A4ck%2C+T">T. B盲ck</a>, <a href="/search/nucl-ex?searchtype=author&query=Moradi%2C+F+G">F. Ghazi Moradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Jaworski%2C+G">G. Jaworski</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyak%C3%B3%2C+B+M">B. M. Nyak贸</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Palacz%2C+M">M. Palacz</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Azri%2C+H">H. Al-Azri</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Atac%2C+A">A. Atac</a>, <a href="/search/nucl-ex?searchtype=author&query=Akta%C5%9F%2C+%C3%96">脰. Akta艧</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharyya%2C+S">S. Bhattacharyya</a>, <a href="/search/nucl-ex?searchtype=author&query=Brock%2C+T">T. Brock</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P+J">P. J. Davies</a>, <a href="/search/nucl-ex?searchtype=author&query=Di+Nitto%2C+A">A. Di Nitto</a>, <a href="/search/nucl-ex?searchtype=author&query=Dombradi%2C+Z">Zs. Dombradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gal%2C+J">J. Gal</a>, <a href="/search/nucl-ex?searchtype=author&query=Joshi%2C+P">P. Joshi</a>, <a href="/search/nucl-ex?searchtype=author&query=Juhasz%2C+K">K. Juhasz</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="1304.3287v1-abstract-short" style="display: inline;"> Linear polarization measurements have been performed for $纬$-rays in $^{91}$Ru produced with the $^{58}$Ni($^{36}$Ar, $2p1n$$纬$)$^{91}$Ru reaction at a beam energy of 111 MeV. The EXOGAM Ge clover array has been used to measure the $纬$-$纬$ coincidences, $纬$-ray linear polarization and $纬$-ray angular distributions. The polarization sensitivity of the EXOGAM clover detectors acting as Compton polar… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.3287v1-abstract-full').style.display = 'inline'; document.getElementById('1304.3287v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1304.3287v1-abstract-full" style="display: none;"> Linear polarization measurements have been performed for $纬$-rays in $^{91}$Ru produced with the $^{58}$Ni($^{36}$Ar, $2p1n$$纬$)$^{91}$Ru reaction at a beam energy of 111 MeV. The EXOGAM Ge clover array has been used to measure the $纬$-$纬$ coincidences, $纬$-ray linear polarization and $纬$-ray angular distributions. The polarization sensitivity of the EXOGAM clover detectors acting as Compton polarimeters has been determined in the energy range 0.3$-$1.3 MeV. Several transitions have been observed for the first time. Measurements of linear polarization and angular distribution have led to the firm assignments of spin differences and parity of high-spin states in $^{91}$Ru. More specifically, calculations using a semi-empirical shell model were performed to understand the structures of the first and second (21/2$^{+}$) and (17/2$^{+}$) levels. The results are in good agreement with the experimental data, supporting the interpretation of the non yrast (21/2$^{+}$) and (17/2$^{+}$) states in terms of the $J_{\rm max}$ and $J_{\rm max}-2$ members of the seniority-three $谓(g_{9/2})^{-3}$ multiplet. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1304.3287v1-abstract-full').style.display = 'none'; document.getElementById('1304.3287v1-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 April, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 8 figures, 2 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.4069">arXiv:1211.4069</a> <span> [<a href="https://arxiv.org/pdf/1211.4069">pdf</a>, <a href="https://arxiv.org/ps/1211.4069">ps</a>, <a href="https://arxiv.org/format/1211.4069">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.86.054320">10.1103/PhysRevC.86.054320 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-spin structure in $^{40}$K </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=S%C3%B6derstr%C3%B6m%2C+P+-">P. -A. S枚derstr枚m</a>, <a href="/search/nucl-ex?searchtype=author&query=Recchia%2C+F">F. Recchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Poves%2C+A">A. Poves</a>, <a href="/search/nucl-ex?searchtype=author&query=Ata%C3%A7%2C+A">A. Ata莽</a>, <a href="/search/nucl-ex?searchtype=author&query=Aydin%2C+S">S. Aydin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellato%2C+M">M. Bellato</a>, <a href="/search/nucl-ex?searchtype=author&query=Birkenbach%2C+B">B. Birkenbach</a>, <a href="/search/nucl-ex?searchtype=author&query=Bortolato%2C+D">D. Bortolato</a>, <a href="/search/nucl-ex?searchtype=author&query=Boston%2C+A+J">A. J. Boston</a>, <a href="/search/nucl-ex?searchtype=author&query=Boston%2C+H+C">H. C. Boston</a>, <a href="/search/nucl-ex?searchtype=author&query=Bruyneel%2C+B">B. Bruyneel</a>, <a href="/search/nucl-ex?searchtype=author&query=Bucurescu%2C+D">D. Bucurescu</a>, <a href="/search/nucl-ex?searchtype=author&query=Calore%2C+E">E. Calore</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Charles%2C+L">L. Charles</a>, <a href="/search/nucl-ex?searchtype=author&query=Chavas%2C+J">J. Chavas</a>, <a href="/search/nucl-ex?searchtype=author&query=Colosimo%2C+S">S. Colosimo</a>, <a href="/search/nucl-ex?searchtype=author&query=Crespi%2C+F+C+L">F. C. L. Crespi</a>, <a href="/search/nucl-ex?searchtype=author&query=Cullen%2C+D+M">D. M. Cullen</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a> , et al. (52 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="1211.4069v1-abstract-short" style="display: inline;"> High-spin states of $^{40}$K have been populated in the fusion-evaporation reaction $^{12}$C($^{30}$Si,np)$^{40}$K and studied by means of $纬$-ray spectroscopy techniques using one AGATA triple cluster detector, at INFN - Laboratori Nazionali di Legnaro. Several new states with excitation energy up to 8 MeV and spin up to $10^-$ have been discovered. These new states are discussed in terms of J=3… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4069v1-abstract-full').style.display = 'inline'; document.getElementById('1211.4069v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.4069v1-abstract-full" style="display: none;"> High-spin states of $^{40}$K have been populated in the fusion-evaporation reaction $^{12}$C($^{30}$Si,np)$^{40}$K and studied by means of $纬$-ray spectroscopy techniques using one AGATA triple cluster detector, at INFN - Laboratori Nazionali di Legnaro. Several new states with excitation energy up to 8 MeV and spin up to $10^-$ have been discovered. These new states are discussed in terms of J=3 and T=0 neutron-proton hole pairs. Shell-model calculations in a large model space have shown a good agreement with the experimental data for most of the energy levels. The evolution of the structure of this nucleus is here studied as a function of excitation energy and angular momentum. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4069v1-abstract-full').style.display = 'none'; document.getElementById('1211.4069v1-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 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">23 pages, 5 figures, submitted to Phys. 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/1209.5217">arXiv:1209.5217</a> <span> [<a href="https://arxiv.org/pdf/1209.5217">pdf</a>, <a href="https://arxiv.org/ps/1209.5217">ps</a>, <a href="https://arxiv.org/format/1209.5217">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.86.044311">10.1103/PhysRevC.86.044311 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Isospin Symmetry violation in mirror E1 transitions: Coherent contributions from the Giant Isovector Monopole Resonance in 67As - 67Se </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Bizzeti%2C+P+G">P. G. Bizzeti</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Orlandi%2C+R">R. Orlandi</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1209.5217v1-abstract-short" style="display: inline;"> The assumption of an exact isospin symmetry would imply equal strengths for mirror E1 transitions (at least, in the long-wavelength limit). Actually, large violations of this symmetry rule have been indicated by a number of experimental results, the last of which is the 67As - 67Se doublet investigated at GAMMASPHERE. Here, we examine in detail various possible origins of the observed asymmetry. T… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.5217v1-abstract-full').style.display = 'inline'; document.getElementById('1209.5217v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.5217v1-abstract-full" style="display: none;"> The assumption of an exact isospin symmetry would imply equal strengths for mirror E1 transitions (at least, in the long-wavelength limit). Actually, large violations of this symmetry rule have been indicated by a number of experimental results, the last of which is the 67As - 67Se doublet investigated at GAMMASPHERE. Here, we examine in detail various possible origins of the observed asymmetry. The coherent effect of Coulomb-induced mixing with the high-lying Giant Isovector Monopole Resonance is proposed as the most probable process to produce a large asymmetry in the E1 transitions, with comparatively small effect on the other properties of the parent and daughter levels. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.5217v1-abstract-full').style.display = 'none'; document.getElementById('1209.5217v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">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">14 pages, 2 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/1202.6154">arXiv:1202.6154</a> <span> [<a href="https://arxiv.org/pdf/1202.6154">pdf</a>, <a href="https://arxiv.org/ps/1202.6154">ps</a>, <a href="https://arxiv.org/format/1202.6154">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.85.031301">10.1103/PhysRevC.85.031301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Discovery of a new isomeric state in $^{68}$Ni: Evidence for a highly-deformed proton intruder state </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=De+France%2C+G">G. De France</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Duch%C3%AAne%2C+G">G. Duch锚ne</a>, <a href="/search/nucl-ex?searchtype=author&query=Dudouet%2C+J">J. Dudouet</a>, <a href="/search/nucl-ex?searchtype=author&query=Franchoo%2C+S">S. Franchoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=H%C3%BCy%C3%BCk%2C+T">T. H眉y眉k</a>, <a href="/search/nucl-ex?searchtype=author&query=Jacquot%2C+B">B. Jacquot</a>, <a href="/search/nucl-ex?searchtype=author&query=Kusoglu%2C+A">A. Kusoglu</a>, <a href="/search/nucl-ex?searchtype=author&query=Lebhertz%2C+D">D. Lebhertz</a>, <a href="/search/nucl-ex?searchtype=author&query=Lehaut%2C+G">G. Lehaut</a>, <a href="/search/nucl-ex?searchtype=author&query=Martini%2C+M">M. Martini</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Nowacki%2C+F">F. Nowacki</a>, <a href="/search/nucl-ex?searchtype=author&query=P%C3%A9ru%2C+S">S. P茅ru</a>, <a href="/search/nucl-ex?searchtype=author&query=Poves%2C+A">A. Poves</a>, <a href="/search/nucl-ex?searchtype=author&query=Recchia%2C+F">F. Recchia</a>, <a href="/search/nucl-ex?searchtype=author&query=Redon%2C+N">N. Redon</a>, <a href="/search/nucl-ex?searchtype=author&query=Sahin%2C+E">E. Sahin</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Sferrazza%2C+M">M. Sferrazza</a>, <a href="/search/nucl-ex?searchtype=author&query=Sieja%2C+K">K. Sieja</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="1202.6154v1-abstract-short" style="display: inline;"> We report on the observation of a new isomeric state in $^{68}$Ni. We suggest that the newly observed state at 168(1) keV above the first 2$^+$ state is a $蟺(2p-2h)$ 0$^{+}$ state across the major Z=28 shell gap. Comparison with theoretical calculations indicates a pure proton intruder configuration and the deduced low-lying structure of this key nucleus suggests a possible shape coexistence scena… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.6154v1-abstract-full').style.display = 'inline'; document.getElementById('1202.6154v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.6154v1-abstract-full" style="display: none;"> We report on the observation of a new isomeric state in $^{68}$Ni. We suggest that the newly observed state at 168(1) keV above the first 2$^+$ state is a $蟺(2p-2h)$ 0$^{+}$ state across the major Z=28 shell gap. Comparison with theoretical calculations indicates a pure proton intruder configuration and the deduced low-lying structure of this key nucleus suggests a possible shape coexistence scenario involving a highly deformed state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.6154v1-abstract-full').style.display = 'none'; document.getElementById('1202.6154v1-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, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">5 pages, 3 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">Report number:</span> GANIL P 2012-06 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physical Review C 85 (2012) 031301 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1111.5731">arXiv:1111.5731</a> <span> [<a href="https://arxiv.org/pdf/1111.5731">pdf</a>, <a href="https://arxiv.org/format/1111.5731">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.2011.11.081">10.1016/j.nima.2011.11.081 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> AGATA - Advanced Gamma Tracking Array </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Akkoyun%2C+S">S. Akkoyun</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=Alikhani%2C+B">B. Alikhani</a>, <a href="/search/nucl-ex?searchtype=author&query=Ameil%2C+F">F. Ameil</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Arnold%2C+L">L. Arnold</a>, <a href="/search/nucl-ex?searchtype=author&query=Astier%2C+A">A. Astier</a>, <a href="/search/nucl-ex?searchtype=author&query=Ata%C3%A7%2C+A">A. Ata莽</a>, <a href="/search/nucl-ex?searchtype=author&query=Aubert%2C+Y">Y. Aubert</a>, <a href="/search/nucl-ex?searchtype=author&query=Aufranc%2C+C">C. Aufranc</a>, <a href="/search/nucl-ex?searchtype=author&query=Austin%2C+A">A. Austin</a>, <a href="/search/nucl-ex?searchtype=author&query=Aydin%2C+S">S. Aydin</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Badoer%2C+S">S. Badoer</a>, <a href="/search/nucl-ex?searchtype=author&query=Balabanski%2C+D+L">D. L. Balabanski</a>, <a href="/search/nucl-ex?searchtype=author&query=Barrientos%2C+D">D. Barrientos</a>, <a href="/search/nucl-ex?searchtype=author&query=Baulieu%2C+G">G. Baulieu</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+R">R. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+F+A">F. A. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+T">T. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Bellato%2C+M">M. Bellato</a>, <a href="/search/nucl-ex?searchtype=author&query=Bentley%2C+M+A">M. A. Bentley</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a> , et al. (329 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="1111.5731v2-abstract-short" style="display: inline;"> The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals. This technique requires the accurate determination of the energy, time and position of every interaction as a gamma ray deposits its energy within the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.5731v2-abstract-full').style.display = 'inline'; document.getElementById('1111.5731v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.5731v2-abstract-full" style="display: none;"> The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals. This technique requires the accurate determination of the energy, time and position of every interaction as a gamma ray deposits its energy within the detector volume. Reconstruction of the full interaction path results in a detector with very high efficiency and excellent spectral response. The realization of gamma-ray tracking and AGATA is a result of many technical advances. These include the development of encapsulated highly-segmented germanium detectors assembled in a triple cluster detector cryostat, an electronics system with fast digital sampling and a data acquisition system to process the data at a high rate. The full characterization of the crystals was measured and compared with detector-response simulations. This enabled pulse-shape analysis algorithms, to extract energy, time and position, to be employed. In addition, tracking algorithms for event reconstruction were developed. The first phase of AGATA is now complete and operational in its first physics campaign. In the future AGATA will be moved between laboratories in Europe and operated in a series of campaigns to take advantage of the different beams and facilities available to maximize its science output. The paper reviews all the achievements made in the AGATA project including all the necessary infrastructure to operate and support the spectrometer. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.5731v2-abstract-full').style.display = 'none'; document.getElementById('1111.5731v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">This version contains a correction of a typing error in the caption of Fig. 2. The DOI to the article published in Nucl. Instr. Meth A was also added</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1105.4072">arXiv:1105.4072</a> <span> [<a href="https://arxiv.org/pdf/1105.4072">pdf</a>, <a href="https://arxiv.org/ps/1105.4072">ps</a>, <a href="https://arxiv.org/format/1105.4072">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.85.054321">10.1103/PhysRevC.85.054321 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First direct lifetime measurement of the 2+1 state in 72,74Zn: new evidence for shape transition between N = 40 and N = 42 close to Z = 28 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Niikura%2C+M">M. Niikura</a>, <a href="/search/nucl-ex?searchtype=author&query=Mouginot%2C+B">B. Mouginot</a>, <a href="/search/nucl-ex?searchtype=author&query=Franchoo%2C+S">S. Franchoo</a>, <a href="/search/nucl-ex?searchtype=author&query=Matea%2C+I">I. Matea</a>, <a href="/search/nucl-ex?searchtype=author&query=Stefan%2C+I">I. Stefan</a>, <a href="/search/nucl-ex?searchtype=author&query=Verney%2C+D">D. Verney</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Assie%2C+M">M. Assie</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Borcea%2C+C">C. Borcea</a>, <a href="/search/nucl-ex?searchtype=author&query=Burger%2C+A">A. Burger</a>, <a href="/search/nucl-ex?searchtype=author&query=Burgunder%2C+G">G. Burgunder</a>, <a href="/search/nucl-ex?searchtype=author&query=Buta%2C+A">A. Buta</a>, <a href="/search/nucl-ex?searchtype=author&query=C%C3%A0ceres%2C+L">L. C脿ceres</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+2+E">2 E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=Coquard%2C+L">L. Coquard</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Santos%2C+F+d+O">F. de Oliveira Santos</a>, <a href="/search/nucl-ex?searchtype=author&query=Dewald%2C+A">A. Dewald</a>, <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Dombradi%2C+Z">Z. Dombradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Fiori%2C+E">E. Fiori</a>, <a href="/search/nucl-ex?searchtype=author&query=Fransen%2C+C">C. Fransen</a>, <a href="/search/nucl-ex?searchtype=author&query=Friessner%2C+G">G. Friessner</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="1105.4072v2-abstract-short" style="display: inline;"> We report here the first direct lifetime measurement of the 2+1 state in 72,74Zn. The neutron-rich beam was produced by in-flight fragmentation of 76Ge at the Grand Acc茅l茅rateur National d'Ions Lourds and separated with the LISE spectrometer. The 2+1 state was excited by inelastic scattering and knock-out reaction on a CD2 target and its lifetime was measured by the recoil-distance Dopplershift me… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.4072v2-abstract-full').style.display = 'inline'; document.getElementById('1105.4072v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1105.4072v2-abstract-full" style="display: none;"> We report here the first direct lifetime measurement of the 2+1 state in 72,74Zn. The neutron-rich beam was produced by in-flight fragmentation of 76Ge at the Grand Acc茅l茅rateur National d'Ions Lourds and separated with the LISE spectrometer. The 2+1 state was excited by inelastic scattering and knock-out reaction on a CD2 target and its lifetime was measured by the recoil-distance Dopplershift method with the K枚ln plunger device combined with the EXOGAM detectors. The lifetimes of the 2+1 states in 72,74Zn were determined to be 17.9(18) and 27.0(24) ps, which correspond to reduced transition probabilities B(E2; 2+1 \rightarrow 0+) = 385(39) and 370(33) e2fm4, respectively. These values support the idea of a systematic maximum of collectivity at N = 42 for Zn, Ge and Se nuclei. In addition, the available systematics in the neighboring nuclei point towards a transition from a spherical oscillator at N = 40 to complete 纬-softness at N = 42. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.4072v2-abstract-full').style.display = 'none'; document.getElementById('1105.4072v2-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 April, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 May, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 13 figures; accepted for publication in Phys. 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/1104.4020">arXiv:1104.4020</a> <span> [<a href="https://arxiv.org/pdf/1104.4020">pdf</a>, <a href="https://arxiv.org/ps/1104.4020">ps</a>, <a href="https://arxiv.org/format/1104.4020">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.83.054619">10.1103/PhysRevC.83.054619 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Decay of excited nuclei produced in $^{78,82}$Kr + $^{40}$Ca reactions at 5.5 MeV/nucleon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ademard%2C+G">G. Ademard</a>, <a href="/search/nucl-ex?searchtype=author&query=Wieleczko%2C+J+P">J. P. Wieleczko</a>, <a href="/search/nucl-ex?searchtype=author&query=Del+Campo%2C+J+G">J. Gomez Del Campo</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Commara%2C+M">M. La Commara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bonnet%2C+E">E. Bonnet</a>, <a href="/search/nucl-ex?searchtype=author&query=Vigilante%2C+M">M. Vigilante</a>, <a href="/search/nucl-ex?searchtype=author&query=Chbihi%2C+A">A. Chbihi</a>, <a href="/search/nucl-ex?searchtype=author&query=Frankland%2C+J+D">J. D. Frankland</a>, <a href="/search/nucl-ex?searchtype=author&query=Rosato%2C+E">E. Rosato</a>, <a href="/search/nucl-ex?searchtype=author&query=Spadaccini%2C+G">G. Spadaccini</a>, <a href="/search/nucl-ex?searchtype=author&query=Kalandarov%2C+S+A">Sh. A. Kalandarov</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Barlini%2C+S">S. Barlini</a>, <a href="/search/nucl-ex?searchtype=author&query=Borderie%2C+B">B. Borderie</a>, <a href="/search/nucl-ex?searchtype=author&query=Bougault%2C+R">R. Bougault</a>, <a href="/search/nucl-ex?searchtype=author&query=Dayras%2C+R">R. Dayras</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Sanctis%2C+J">J. De Sanctis</a>, <a href="/search/nucl-ex?searchtype=author&query=Kravchuk%2C+V+L">V. L. Kravchuk</a>, <a href="/search/nucl-ex?searchtype=author&query=Lautesse%2C+P">P. Lautesse</a>, <a href="/search/nucl-ex?searchtype=author&query=Neindre%2C+N+L">N. Le Neindre</a>, <a href="/search/nucl-ex?searchtype=author&query=Moisan%2C+J">J. Moisan</a>, <a href="/search/nucl-ex?searchtype=author&query=D%27onofrio%2C+A">A. D'onofrio</a>, <a href="/search/nucl-ex?searchtype=author&query=Parlog%2C+M">M. Parlog</a>, <a href="/search/nucl-ex?searchtype=author&query=Pierroutsakou%2C+D">D. Pierroutsakou</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="1104.4020v1-abstract-short" style="display: inline;"> Decay modes of excited nuclei are investigated in $^{78,82}$Kr + $^{40}$Ca reactions at 5.5 MeV/nucleon. Charged products were measured by means of the $4蟺$ INDRA array. Kinetic-energy spectra and angular distributions of fragments with atomic number 3 $\le Z \le$ 28 indicate a high degree of relaxation and are compatible with a fission-like phenomenon. Persistence of structure effects is evidence… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1104.4020v1-abstract-full').style.display = 'inline'; document.getElementById('1104.4020v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1104.4020v1-abstract-full" style="display: none;"> Decay modes of excited nuclei are investigated in $^{78,82}$Kr + $^{40}$Ca reactions at 5.5 MeV/nucleon. Charged products were measured by means of the $4蟺$ INDRA array. Kinetic-energy spectra and angular distributions of fragments with atomic number 3 $\le Z \le$ 28 indicate a high degree of relaxation and are compatible with a fission-like phenomenon. Persistence of structure effects is evidenced from elemental cross-sections ($蟽_{Z}$) as well as a strong odd-even-staggering (o-e-s) of the light-fragment yields. The magnitude of the staggering does not significantly depend on the neutron content of the emitting system. Fragment-particle coincidences suggest that the light partners in very asymmetric fission are emitted either cold or at excitation energies below the particle emission thresholds. The evaporation residue cross-section of the $^{78}$Kr + $^{40}$Ca reaction is slightly higher than the one measured in $^{82}$Kr + $^{40}$Ca reaction. The fission-like component is larger by $\sim$ 25% for the reaction having the lowest neutron-to-proton ratio. These experimental features are confronted to the predictions of theoretical models. The Hauser-Feshbach approach including the emission of fragments up to $Z$ = 14 in their ground states as well as excited states does not account for the main features of $蟽_{Z}$. For both reactions, the transition-state formalism reasonably reproduces the $Z$-distribution of the fragments with charge 12 $\le Z \le$ 28. However, this model strongly overestimates the light-fragment cross-sections and does not explain the o-e-s of the yields for 6 $\le Z \le$ 10. The shape of the whole $Z$-distribution and the o-e-s of the light-fragment yields are satisfactorily reproduced within the dinuclear system framework which treats the competition between evaporation, fusion-fission and quasifission processes. The model suggests that heavy fragments come mainly from quasifission while light fragments are predominantly populated by fusion. An underestimation of the cross sections for 16 $\le Z \le$ 22 could signal a mechanism in addition to the capture process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1104.4020v1-abstract-full').style.display = 'none'; document.getElementById('1104.4020v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 April, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">2 tables, 14 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">Report number:</span> GANIL P 2011-04 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C83:054619,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1101.2187">arXiv:1101.2187</a> <span> [<a href="https://arxiv.org/pdf/1101.2187">pdf</a>, <a href="https://arxiv.org/format/1101.2187">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/10.1038/nature09644">10.1038/nature09644 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evidence for a spin-aligned neutron-proton paired phase from the level structure of $^{92}$Pd </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Cederwall%2C+B">B. Cederwall</a>, <a href="/search/nucl-ex?searchtype=author&query=Moradi%2C+F+G">F. Ghazi Moradi</a>, <a href="/search/nucl-ex?searchtype=author&query=B%C3%A4ck%2C+T">T. B盲ck</a>, <a href="/search/nucl-ex?searchtype=author&query=Johnson%2C+A">A. Johnson</a>, <a href="/search/nucl-ex?searchtype=author&query=Blomqvist%2C+J">J. Blomqvist</a>, <a href="/search/nucl-ex?searchtype=author&query=Cl%C3%A9ment%2C+E">E. Cl茅ment</a>, <a href="/search/nucl-ex?searchtype=author&query=de+France%2C+G">G. de France</a>, <a href="/search/nucl-ex?searchtype=author&query=Wadsworth%2C+R">R. Wadsworth</a>, <a href="/search/nucl-ex?searchtype=author&query=Andgren%2C+K">K. Andgren</a>, <a href="/search/nucl-ex?searchtype=author&query=Lagergren%2C+K">K. Lagergren</a>, <a href="/search/nucl-ex?searchtype=author&query=Dijon%2C+A">A. Dijon</a>, <a href="/search/nucl-ex?searchtype=author&query=Jaworski%2C+G">G. Jaworski</a>, <a href="/search/nucl-ex?searchtype=author&query=Liotta%2C+R">R. Liotta</a>, <a href="/search/nucl-ex?searchtype=author&query=Qi%2C+C">C. Qi</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyak%C3%B3%2C+B+M">B. M. Nyak贸</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Palacz%2C+M">M. Palacz</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Azri%2C+H">H. Al-Azri</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ata%C3%A7%2C+A">A. Ata莽</a>, <a href="/search/nucl-ex?searchtype=author&query=Bhattacharyya%2C+S">S. Bhattacharyya</a>, <a href="/search/nucl-ex?searchtype=author&query=Brock%2C+T">T. Brock</a>, <a href="/search/nucl-ex?searchtype=author&query=Brown%2C+J+R">J. R. Brown</a>, <a href="/search/nucl-ex?searchtype=author&query=Davies%2C+P">P. Davies</a> , et al. (32 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="1101.2187v1-abstract-short" style="display: inline;"> The general phenomenon of shell structure in atomic nuclei has been understood since the pioneering work of Goeppert-Mayer, Haxel, Jensen and Suess.They realized that the experimental evidence for nuclear magic numbers could be explained by introducing a strong spin-orbit interaction in the nuclear shell model potential. However, our detailed knowledge of nuclear forces and the mechanisms governin… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1101.2187v1-abstract-full').style.display = 'inline'; document.getElementById('1101.2187v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1101.2187v1-abstract-full" style="display: none;"> The general phenomenon of shell structure in atomic nuclei has been understood since the pioneering work of Goeppert-Mayer, Haxel, Jensen and Suess.They realized that the experimental evidence for nuclear magic numbers could be explained by introducing a strong spin-orbit interaction in the nuclear shell model potential. However, our detailed knowledge of nuclear forces and the mechanisms governing the structure of nuclei, in particular far from stability, is still incomplete. In nuclei with equal neutron and proton numbers ($N = Z$), the unique nature of the atomic nucleus as an object composed of two distinct types of fermions can be expressed as enhanced correlations arising between neutrons and protons occupying orbitals with the same quantum numbers. Such correlations have been predicted to favor a new type of nuclear superfluidity; isoscalar neutron-proton pairing, in addition to normal isovector pairing (see Fig. 1). Despite many experimental efforts these predictions have not been confirmed. Here, we report on the first observation of excited states in $N = Z = 46$ nucleus $^{92}$Pd. Gamma rays emitted following the $^{58}$Ni($^{36}$Ar,2$n$)$^{92}$Pd fusion-evaporation reaction were identified using a combination of state-of-the-art high-resolution 纬-ray, charged-particle and neutron detector systems. Our results reveal evidence for a spin-aligned, isoscalar neutron-proton coupling scheme, different from the previous prediction. We suggest that this coupling scheme replaces normal superfluidity (characterized by seniority coupling) in the ground and low-lying excited states of the heaviest N = Z nuclei. The strong isoscalar neutron- proton correlations in these $N = Z$ nuclei are predicted to have a considerable impact on their level structures, and to influence the dynamics of the stellar rapid proton capture nucleosynthesis process. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1101.2187v1-abstract-full').style.display = 'none'; document.getElementById('1101.2187v1-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 January, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">13 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature 469:68,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1011.3423">arXiv:1011.3423</a> <span> [<a href="https://arxiv.org/pdf/1011.3423">pdf</a>, <a href="https://arxiv.org/ps/1011.3423">ps</a>, <a href="https://arxiv.org/format/1011.3423">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/10.5506/APhysPolB.42.747">10.5506/APhysPolB.42.747 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Clusters in Light Nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Papka%2C+P">P. Papka</a>, <a href="/search/nucl-ex?searchtype=author&query=Zafra%2C+A+S+i">A. Sanchez i Zafra</a>, <a href="/search/nucl-ex?searchtype=author&query=Thummerer%2C+S">S. Thummerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Courtin%2C+S">S. Courtin</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Dorvaux%2C+O">O. Dorvaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Goasduff%2C+A">A. Goasduff</a>, <a href="/search/nucl-ex?searchtype=author&query=Lebhertz%2C+D">D. Lebhertz</a>, <a href="/search/nucl-ex?searchtype=author&query=Nourreddine%2C+A">A. Nourreddine</a>, <a href="/search/nucl-ex?searchtype=author&query=Rousseau%2C+M">M. Rousseau</a>, <a href="/search/nucl-ex?searchtype=author&query=Salsac%2C+M+-">M. -D. Salsac</a>, <a href="/search/nucl-ex?searchtype=author&query=von+Oertzen%2C+W">W. von Oertzen</a>, <a href="/search/nucl-ex?searchtype=author&query=Gebauer%2C+B">B. Gebauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Wheldon%2C+C">C. Wheldon</a>, <a href="/search/nucl-ex?searchtype=author&query=Kokalova%2C+T">Tz. Kokalova</a>, <a href="/search/nucl-ex?searchtype=author&query=Efimov%2C+G">G. Efimov</a>, <a href="/search/nucl-ex?searchtype=author&query=Zherebchevsky%2C+V">V. Zherebchevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Schulz%2C+C">Ch. Schulz</a>, <a href="/search/nucl-ex?searchtype=author&query=Bohlen%2C+H+G">H. G. Bohlen</a>, <a href="/search/nucl-ex?searchtype=author&query=Kamanin%2C+D">D. Kamanin</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</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="1011.3423v1-abstract-short" style="display: inline;"> A great deal of research work has been undertaken in the alpha-clustering study since the pioneering discovery, half a century ago, of 12C+12C molecular resonances. Our knowledge of the field of the physics of nuclear molecules has increased considerably and nuclear clustering remains one of the most fruitful domains of nuclear physics, facing some of the greatest challenges and opportunities in t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1011.3423v1-abstract-full').style.display = 'inline'; document.getElementById('1011.3423v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1011.3423v1-abstract-full" style="display: none;"> A great deal of research work has been undertaken in the alpha-clustering study since the pioneering discovery, half a century ago, of 12C+12C molecular resonances. Our knowledge of the field of the physics of nuclear molecules has increased considerably and nuclear clustering remains one of the most fruitful domains of nuclear physics, facing some of the greatest challenges and opportunities in the years ahead. In this work, the occurence of "exotic" shapes in light N=Z alpha-like nuclei is investigated. Various approaches of superdeformed and hyperdeformed bands associated with quasimolecular resonant structures are presented. Results on clustering aspects are also discussed for light neutron-rich Oxygen isotopes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1011.3423v1-abstract-full').style.display = 'none'; document.getElementById('1011.3423v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 November, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">12 pages, 5 figures. Invited Talk presented by C. Beck at the Zakopane Conference on Nuclear Physics "Extremes of the Nuclear Landscape" XLV in the series of Zakopane Schools of Physics - International Symposium - Zakopane, Poland, August 30 - September 5, 2010.To be publihed in Acta Physica Polonica B42 no 3, March 2011</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Acta Phys.Polon.B42:747-756,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1010.4580">arXiv:1010.4580</a> <span> [<a href="https://arxiv.org/pdf/1010.4580">pdf</a>, <a href="https://arxiv.org/ps/1010.4580">ps</a>, <a href="https://arxiv.org/format/1010.4580">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.82.054311">10.1103/PhysRevC.82.054311 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transition probabilities in the X(5) candidate $^{122}$Ba </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Bizzeti%2C+P+G">P. G. Bizzeti</a>, <a href="/search/nucl-ex?searchtype=author&query=Bizzeti-Sona%2C+A+M">A. M. Bizzeti-Sona</a>, <a href="/search/nucl-ex?searchtype=author&query=Tonev%2C+D">D. Tonev</a>, <a href="/search/nucl-ex?searchtype=author&query=Giannatiempo%2C+A">A. Giannatiempo</a>, <a href="/search/nucl-ex?searchtype=author&query=Ur%2C+C+A">C. A. Ur</a>, <a href="/search/nucl-ex?searchtype=author&query=Dewald%2C+A">A. Dewald</a>, <a href="/search/nucl-ex?searchtype=author&query=Melon%2C+B">B. Melon</a>, <a href="/search/nucl-ex?searchtype=author&query=Michelagnoli%2C+C">C. Michelagnoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Petkov%2C+P">P. Petkov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Costin%2C+A">A. Costin</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Della+Vedova%2C+F">F. Della Vedova</a>, <a href="/search/nucl-ex?searchtype=author&query=Fantuzi%2C+M">M. Fantuzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=Fransen%2C+C">C. Fransen</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+N">N. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+R">R. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Menegazzo%2C+R">R. Menegazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Mengoni%2C+D">D. Mengoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Moeller%2C+O">O. Moeller</a>, <a href="/search/nucl-ex?searchtype=author&query=Nannini%2C+A">A. Nannini</a> , et al. (8 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1010.4580v1-abstract-short" style="display: inline;"> To investigate the possible X(5) character of 122Ba, suggested by the ground state band energy pattern, the lifetimes of the lowest yrast states of 122Ba have been measured, via the Recoil Distance Doppler-Shift method. The relevant levels have been populated by using the 108Cd(16O,2n)122Ba and the 112Sn(13C,3n)122Ba reactions. The B(E2) values deduced in the present work are compared to the predi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1010.4580v1-abstract-full').style.display = 'inline'; document.getElementById('1010.4580v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1010.4580v1-abstract-full" style="display: none;"> To investigate the possible X(5) character of 122Ba, suggested by the ground state band energy pattern, the lifetimes of the lowest yrast states of 122Ba have been measured, via the Recoil Distance Doppler-Shift method. The relevant levels have been populated by using the 108Cd(16O,2n)122Ba and the 112Sn(13C,3n)122Ba reactions. The B(E2) values deduced in the present work are compared to the predictions of the X(5) model and to calculations performed in the framework of the IBA-1 and IBA-2 models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1010.4580v1-abstract-full').style.display = 'none'; document.getElementById('1010.4580v1-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 October, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C82:054311,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0909.4841">arXiv:0909.4841</a> <span> [<a href="https://arxiv.org/pdf/0909.4841">pdf</a>, <a href="https://arxiv.org/ps/0909.4841">ps</a>, <a href="https://arxiv.org/format/0909.4841">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.81.034310">10.1103/PhysRevC.81.034310 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Spectroscopy of Neutron-Rich 168,170Dy: Yrast Band Evolution Close to the NpNn Valence Maximum </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=S%C3%B6derstr%C3%B6m%2C+P+-">P. -A. S枚derstr枚m</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Regan%2C+P+H">P. H. Regan</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashley%2C+S+F">S. F. Ashley</a>, <a href="/search/nucl-ex?searchtype=author&query=Aydin%2C+S">S. Aydin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Casperson%2C+R+J">R. J. Casperson</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chapman%2C+R">R. Chapman</a>, <a href="/search/nucl-ex?searchtype=author&query=Corradi%2C+L">L. Corradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Fahlander%2C+C">C. Fahlander</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=Fioretto%2C+E">E. Fioretto</a>, <a href="/search/nucl-ex?searchtype=author&query=Freeman%2C+S+J">S. J. Freeman</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gelletly%2C+W">W. Gelletly</a>, <a href="/search/nucl-ex?searchtype=author&query=Gottardo%2C+A">A. Gottardo</a>, <a href="/search/nucl-ex?searchtype=author&query=Grodner%2C+E">E. Grodner</a>, <a href="/search/nucl-ex?searchtype=author&query=He%2C+C+Y">C. Y. He</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+G+A">G. A. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Keyes%2C+K">K. Keyes</a>, <a href="/search/nucl-ex?searchtype=author&query=Labiche%2C+M">M. Labiche</a> , et al. (30 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="0909.4841v2-abstract-short" style="display: inline;"> The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multi-nucleon transfer reactions following collisions between a 460-MeV 82Se beam and a 170Er target. The reaction products were identified using the PRISMA magnetic spectrometer and the gamma rays detected using the CLARA HPGe-detector array. The 2+ and 4+ members of the previously measured ground state rotat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0909.4841v2-abstract-full').style.display = 'inline'; document.getElementById('0909.4841v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0909.4841v2-abstract-full" style="display: none;"> The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multi-nucleon transfer reactions following collisions between a 460-MeV 82Se beam and a 170Er target. The reaction products were identified using the PRISMA magnetic spectrometer and the gamma rays detected using the CLARA HPGe-detector array. The 2+ and 4+ members of the previously measured ground state rotational band of 168Dy have been confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+ to 2+ transition in 170Dy was also identified. The data on these nuclei and on the lighter even-even dysprosium isotopes are interpreted in terms of Total Routhian Surface calculations and the evolution of collectivity in the vicinity of the proton-neutron valence product maximum is discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0909.4841v2-abstract-full').style.display = 'none'; document.getElementById('0909.4841v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 December, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 September, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 7 figures, submitted to Phys. Rev. C</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C81:034310,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0905.2901">arXiv:0905.2901</a> <span> [<a href="https://arxiv.org/pdf/0905.2901">pdf</a>, <a href="https://arxiv.org/ps/0905.2901">ps</a>, <a href="https://arxiv.org/format/0905.2901">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.80.034604">10.1103/PhysRevC.80.034604 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Binary reaction decays from 24Mg+12C </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Papka%2C+P">P. Papka</a>, <a href="/search/nucl-ex?searchtype=author&query=Zafra%2C+A+S+i">A. Sanchez i Zafra</a>, <a href="/search/nucl-ex?searchtype=author&query=Thummerer%2C+S">S. Thummerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Courtin%2C+S">S. Courtin</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Dorvaux%2C+O">O. Dorvaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Lebhertz%2C+D">D. Lebhertz</a>, <a href="/search/nucl-ex?searchtype=author&query=Nourreddine%2C+A">A. Nourreddine</a>, <a href="/search/nucl-ex?searchtype=author&query=Rousseau%2C+M">M. Rousseau</a>, <a href="/search/nucl-ex?searchtype=author&query=von+Oertzen%2C+W">W. von Oertzen</a>, <a href="/search/nucl-ex?searchtype=author&query=Gebauer%2C+B">B. Gebauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Wheldon%2C+C">C. Wheldon</a>, <a href="/search/nucl-ex?searchtype=author&query=Kokalova%2C+T">Tz. Kokalova</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Szilner%2C+S">S. Szilner</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D+G">D. G. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Royer%2C+G">G. Royer</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0905.2901v2-abstract-short" style="display: inline;"> Charged particle and gamma decays in 24Mg* are investigated for excitation energies where quasimolecular resonances appear in 12C+12C collisions. Various theoretical predictions for the occurence of superdeformed and hyperdeformed bands associated with resonance structures with low spin are discussed within the measured 24Mg* excitation energy region. The inverse kinematics reaction 24Mg+12C is… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0905.2901v2-abstract-full').style.display = 'inline'; document.getElementById('0905.2901v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0905.2901v2-abstract-full" style="display: none;"> Charged particle and gamma decays in 24Mg* are investigated for excitation energies where quasimolecular resonances appear in 12C+12C collisions. Various theoretical predictions for the occurence of superdeformed and hyperdeformed bands associated with resonance structures with low spin are discussed within the measured 24Mg* excitation energy region. The inverse kinematics reaction 24Mg+12C is studied at E_lab(24Mg) = 130 MeV, an energy which enables the population of 24Mg states decaying into 12C+12C resonant break-up states. Exclusive data were collected with the Binary Reaction Spectrometer in coincidence with EUROBALL IV installed at the VIVITRON Tandem facility at Strasbourg. Specific structures with large deformation were selectively populated in binary reactions and their associated gamma decays studied. Coincident events associated with inelastic and alpha-transfer channels have been selected by choosing the excitation energy or the entry point via the two-body Q-values. The analysis of the binary reaction channels is presented with a particular emphasis on 24Mg-gamma, 20Ne-gamma and 16O-gamma coincidences. New information (spin and branching ratios) is deduced on high-energy states in 24Mg and 16O, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0905.2901v2-abstract-full').style.display = 'none'; document.getElementById('0905.2901v2-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 July, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 May, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages, 8 figures, 1 table</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> IPHC-09-006 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C80:034604,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0903.3819">arXiv:0903.3819</a> <span> [<a href="https://arxiv.org/pdf/0903.3819">pdf</a>, <a href="https://arxiv.org/ps/0903.3819">ps</a>, <a href="https://arxiv.org/format/0903.3819">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"> Spectroscopic studies of Dy-168,170 using CLARA and PRISMA </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=S%C3%B6derstr%C3%B6m%2C+P+-">P. -A. S枚derstr枚m</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyberg%2C+J">J. Nyberg</a>, <a href="/search/nucl-ex?searchtype=author&query=Regan%2C+P+H">P. H. Regan</a>, <a href="/search/nucl-ex?searchtype=author&query=Algora%2C+A">A. Algora</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Ashley%2C+S+F">S. F. Ashley</a>, <a href="/search/nucl-ex?searchtype=author&query=Aydin%2C+S">S. Aydin</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Casperson%2C+R+J">R. J. Casperson</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Cederk%C3%A4ll%2C+J">J. Cederk盲ll</a>, <a href="/search/nucl-ex?searchtype=author&query=Chapman%2C+R">R. Chapman</a>, <a href="/search/nucl-ex?searchtype=author&query=Corradi%2C+L">L. Corradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Fahlander%2C+C">C. Fahlander</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=Freeman%2C+S+J">S. J. Freeman</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gelletly%2C+W">W. Gelletly</a>, <a href="/search/nucl-ex?searchtype=author&query=Grodner%2C+E">E. Grodner</a>, <a href="/search/nucl-ex?searchtype=author&query=He%2C+C+Y">C. Y. He</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+G+A">G. A. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Keyes%2C+K">K. Keyes</a>, <a href="/search/nucl-ex?searchtype=author&query=Labiche%2C+M">M. Labiche</a>, <a href="/search/nucl-ex?searchtype=author&query=Liang%2C+X">X. Liang</a>, <a href="/search/nucl-ex?searchtype=author&query=Liu%2C+Z">Z. Liu</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="0903.3819v1-abstract-short" style="display: inline;"> Preliminary results from an experiment aiming at Dy-170. Submitted to the LNL Annual Report 2008. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0903.3819v1-abstract-full" style="display: none;"> Preliminary results from an experiment aiming at Dy-170. Submitted to the LNL Annual Report 2008. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0903.3819v1-abstract-full').style.display = 'none'; document.getElementById('0903.3819v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 March, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">2 pages, 4 figures, Submitted to the LNL Annual Report 2008</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0811.1283">arXiv:0811.1283</a> <span> [<a href="https://arxiv.org/pdf/0811.1283">pdf</a>, <a href="https://arxiv.org/ps/0811.1283">ps</a>, <a href="https://arxiv.org/format/0811.1283">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"> Search for Fingerprints of Tetrahedral Symmetry in $^{156}Gd$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Doan%2C+Q+T">Q. T. Doan</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Stezowski%2C+O">O. Stezowski</a>, <a href="/search/nucl-ex?searchtype=author&query=Dudek%2C+J">J. Dudek</a>, <a href="/search/nucl-ex?searchtype=author&query=Mazurek%2C+K">K. Mazurek</a>, <a href="/search/nucl-ex?searchtype=author&query=Gozdz%2C+A">A. Gozdz</a>, <a href="/search/nucl-ex?searchtype=author&query=Piot%2C+J">J. Piot</a>, <a href="/search/nucl-ex?searchtype=author&query=Duchene%2C+G">G. Duchene</a>, <a href="/search/nucl-ex?searchtype=author&query=Gall%2C+B">B. Gall</a>, <a href="/search/nucl-ex?searchtype=author&query=Molique%2C+H">H. Molique</a>, <a href="/search/nucl-ex?searchtype=author&query=Richet%2C+M">M. Richet</a>, <a href="/search/nucl-ex?searchtype=author&query=Medina%2C+P">P. Medina</a>, <a href="/search/nucl-ex?searchtype=author&query=Guinet%2C+D">D. Guinet</a>, <a href="/search/nucl-ex?searchtype=author&query=Redon%2C+N">N. Redon</a>, <a href="/search/nucl-ex?searchtype=author&query=Schmitt%2C+C">C. Schmitt</a>, <a href="/search/nucl-ex?searchtype=author&query=Jones%2C+P">P. Jones</a>, <a href="/search/nucl-ex?searchtype=author&query=Julin%2C+R">R. Julin</a>, <a href="/search/nucl-ex?searchtype=author&query=Peura%2C+P">P. Peura</a>, <a href="/search/nucl-ex?searchtype=author&query=Ketelhut%2C+S">S. Ketelhut</a>, <a href="/search/nucl-ex?searchtype=author&query=Nyman%2C+M">M. Nyman</a>, <a href="/search/nucl-ex?searchtype=author&query=Jakobsson%2C+U">U. Jakobsson</a>, <a href="/search/nucl-ex?searchtype=author&query=Maj%2C+A">A. Maj</a>, <a href="/search/nucl-ex?searchtype=author&query=Zuber%2C+K">K. Zuber</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Schunck%2C+N">N. Schunck</a> , et al. (6 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="0811.1283v2-abstract-short" style="display: inline;"> Theoretical predictions suggest the presence of tetrahedral symmetry as an explanation for the vanishing intra-band E2-transitions at the bottom of the odd-spin negative parity band in $^{156}Gd$. The present study reports on experiment performed to address this phenomenon. It allowed to determine the intra-band E2 transitions and branching ratios B(E2)/B(E1) of two of the negative-parity bands… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0811.1283v2-abstract-full').style.display = 'inline'; document.getElementById('0811.1283v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0811.1283v2-abstract-full" style="display: none;"> Theoretical predictions suggest the presence of tetrahedral symmetry as an explanation for the vanishing intra-band E2-transitions at the bottom of the odd-spin negative parity band in $^{156}Gd$. The present study reports on experiment performed to address this phenomenon. It allowed to determine the intra-band E2 transitions and branching ratios B(E2)/B(E1) of two of the negative-parity bands in $^{156}Gd$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0811.1283v2-abstract-full').style.display = 'none'; document.getElementById('0811.1283v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 November, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">presented by Q.T. Doan at XLII Zakopane School of Physics: Breaking Frontiers: Submicron Structures in Physics and Biology, May 2008. 5 pages, minor corrections. To be published in the proceedings</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Acta Phys.Polon.B40:725-730,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0811.0992">arXiv:0811.0992</a> <span> [<a href="https://arxiv.org/pdf/0811.0992">pdf</a>, <a href="https://arxiv.org/ps/0811.0992">ps</a>, <a href="https://arxiv.org/format/0811.0992">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/10.1063/1.3108798">10.1063/1.3108798 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Reaction mechanisms in 24Mg+12C and 32S+24Mg </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Zafra%2C+A+S+i">A. Sanchez i Zafra</a>, <a href="/search/nucl-ex?searchtype=author&query=Papka%2C+P">P. Papka</a>, <a href="/search/nucl-ex?searchtype=author&query=Thummerer%2C+S">S. Thummerer</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Courtin%2C+S">S. Courtin</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Dorvaux%2C+O">O. Dorvaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Lebhertz%2C+D">D. Lebhertz</a>, <a href="/search/nucl-ex?searchtype=author&query=Nourreddine%2C+A">A. Nourreddine</a>, <a href="/search/nucl-ex?searchtype=author&query=Rousseau%2C+M">M. Rousseau</a>, <a href="/search/nucl-ex?searchtype=author&query=von+Oertzen%2C+W">W. von Oertzen</a>, <a href="/search/nucl-ex?searchtype=author&query=Gebauer%2C+B">B. Gebauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Kokalova%2C+T">Tz. Kokalova</a>, <a href="/search/nucl-ex?searchtype=author&query=Wheldon%2C+C">C. Wheldon</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Szilner%2C+S">S. Szilner</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+n">W. n. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D+G">D. G. Jenkins</a>, <a href="/search/nucl-ex?searchtype=author&query=Royer%2C+G">G. Royer</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0811.0992v2-abstract-short" style="display: inline;"> The occurence of "exotic" shapes in light N=Z alpha-like nuclei is investigated for 24Mg+12C and 32S+24Mg. Various approaches of superdeformed and hyperdeformed bands associated with quasimolecular resonant structures with low spin are presented. For both reactions, exclusive data were collected with the Binary Reaction Spectrometer in coincidence with EUROBALL IV installed at the VIVITRON Tande… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0811.0992v2-abstract-full').style.display = 'inline'; document.getElementById('0811.0992v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0811.0992v2-abstract-full" style="display: none;"> The occurence of "exotic" shapes in light N=Z alpha-like nuclei is investigated for 24Mg+12C and 32S+24Mg. Various approaches of superdeformed and hyperdeformed bands associated with quasimolecular resonant structures with low spin are presented. For both reactions, exclusive data were collected with the Binary Reaction Spectrometer in coincidence with EUROBALL IV installed at the VIVITRON Tandem facility of Strasbourg. Specific structures with large deformation were selectively populated in binary reactions and their associated $纬$-decays studied. The analysis of the binary and ternary reaction channels is discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0811.0992v2-abstract-full').style.display = 'none'; document.getElementById('0811.0992v2-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 November, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 November, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">7 pages, 4 figures, Paper presented at the Fusion08 International Conference on New Aspects of Heavy Ion Collisions Near the Coulomb Barrier, Chicago. Proceedings to be published by AIP Conference Proceedings Illinois, USA, September 22-26, 2008</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> AIP Conf.Proc.1098:207-212,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0808.2885">arXiv:0808.2885</a> <span> [<a href="https://arxiv.org/pdf/0808.2885">pdf</a>, <a href="https://arxiv.org/ps/0808.2885">ps</a>, <a href="https://arxiv.org/format/0808.2885">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/10.1142/S0218301308011616">10.1142/S0218301308011616 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Influence of Neutron Enrichment on Disintegration Modes of Compound Nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Bonnet%2C+E">E. Bonnet</a>, <a href="/search/nucl-ex?searchtype=author&query=Wieleczko%2C+J+P">J. P. Wieleczko</a>, <a href="/search/nucl-ex?searchtype=author&query=Chbihi%2C+A">A. Chbihi</a>, <a href="/search/nucl-ex?searchtype=author&query=Frankland%2C+J+D">J. D. Frankland</a>, <a href="/search/nucl-ex?searchtype=author&query=Moisan%2C+J">J. Moisan</a>, <a href="/search/nucl-ex?searchtype=author&query=Rejmund%2C+F">F. Rejmund</a>, <a href="/search/nucl-ex?searchtype=author&query=del+Campo%2C+J+G">J. Gomez del Campo</a>, <a href="/search/nucl-ex?searchtype=author&query=Galindo-Uribarri%2C+A">A. Galindo-Uribarri</a>, <a href="/search/nucl-ex?searchtype=author&query=Shapira%2C+D">D. Shapira</a>, <a href="/search/nucl-ex?searchtype=author&query=La+Commara%2C+M">M. La Commara</a>, <a href="/search/nucl-ex?searchtype=author&query=Pierroutsakou%2C+B+M+D">B. Martin. D. Pierroutsakou</a>, <a href="/search/nucl-ex?searchtype=author&query=Romoli%2C+M">M. Romoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Rosato%2C+E">E. Rosato</a>, <a href="/search/nucl-ex?searchtype=author&query=Vigilante%2C+G+S+M">G. Spadaccini. M. Vigilante</a>, <a href="/search/nucl-ex?searchtype=author&query=Barlini%2C+S">S. Barlini</a>, <a href="/search/nucl-ex?searchtype=author&query=Bougault%2C+R">R. Bougault</a>, <a href="/search/nucl-ex?searchtype=author&query=Neindre%2C+N+L">N. Le Neindre</a>, <a href="/search/nucl-ex?searchtype=author&query=Parlog%2C+M">M. Parlog</a>, <a href="/search/nucl-ex?searchtype=author&query=Tamain%2C+B">B. Tamain</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Borderie%2C+B">B. Borderie</a>, <a href="/search/nucl-ex?searchtype=author&query=Rivet%2C+M+F">M. F. Rivet</a>, <a href="/search/nucl-ex?searchtype=author&query=Dayras%2C+R">R. Dayras</a>, <a href="/search/nucl-ex?searchtype=author&query=Nalpas%2C+L">L. Nalpas</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</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="0808.2885v1-abstract-short" style="display: inline;"> Cross sections, kinetic energy and angular distributions of fragments with charge 6$\le$Z$\le$28 emitted in 78,82Kr+40C at 5.5 MeV/A reactions were measured at the GANIL facility using the INDRA apparatus. This experiment aims to investigate the influence of the neutron enrichment on the decay mechanism of excited nuclei. Data are discussed in comparison with predictions of transition state and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0808.2885v1-abstract-full').style.display = 'inline'; document.getElementById('0808.2885v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0808.2885v1-abstract-full" style="display: none;"> Cross sections, kinetic energy and angular distributions of fragments with charge 6$\le$Z$\le$28 emitted in 78,82Kr+40C at 5.5 MeV/A reactions were measured at the GANIL facility using the INDRA apparatus. This experiment aims to investigate the influence of the neutron enrichment on the decay mechanism of excited nuclei. Data are discussed in comparison with predictions of transition state and Hauser-Feshbach models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0808.2885v1-abstract-full').style.display = 'none'; document.getElementById('0808.2885v1-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 August, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">8 pages, 1 figure, paper presented at the First Workshop on "State of the Art in Nuclear Cluster Physics" 13-16 May, 2008, at Strasbourg, France (SOTANCP2008) and accepted for publication at International Journal of Modern Physics E (Special Issue), Proceedings of SOTANCP2008 (to be published)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> IPHC-08-014 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Int.J.Mod.Phys.E17:2359-2362,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0707.0426">arXiv:0707.0426</a> <span> [<a href="https://arxiv.org/pdf/0707.0426">pdf</a>, <a href="https://arxiv.org/ps/0707.0426">ps</a>, <a href="https://arxiv.org/format/0707.0426">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.76.024604">10.1103/PhysRevC.76.024604 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Multinucleon transfer reactions in closed-shell nuclei </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Szilner%2C+S">S. Szilner</a>, <a href="/search/nucl-ex?searchtype=author&query=Ur%2C+C+A">C. A. Ur</a>, <a href="/search/nucl-ex?searchtype=author&query=Corradi%2C+L">L. Corradi</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+N">N. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Pollarolo%2C+G">G. Pollarolo</a>, <a href="/search/nucl-ex?searchtype=author&query=Stefanini%2C+A+M">A. M. Stefanini</a>, <a href="/search/nucl-ex?searchtype=author&query=Beghini%2C+S">S. Beghini</a>, <a href="/search/nucl-ex?searchtype=author&query=Behera%2C+B+R">B. R. Behera</a>, <a href="/search/nucl-ex?searchtype=author&query=Fioretto%2C+E">E. Fioretto</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Guiot%2C+B">B. Guiot</a>, <a href="/search/nucl-ex?searchtype=author&query=Latina%2C+A">A. Latina</a>, <a href="/search/nucl-ex?searchtype=author&query=Mason%2C+P">P. Mason</a>, <a href="/search/nucl-ex?searchtype=author&query=Montagnoli%2C+G">G. Montagnoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Scarlassara%2C+F">F. Scarlassara</a>, <a href="/search/nucl-ex?searchtype=author&query=Trotta%2C+M">M. Trotta</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Della+Vedova%2C+F">F. Della Vedova</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=Haas%2C+F">F. Haas</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+R">R. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Menegazzo%2C+R">R Menegazzo</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</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="0707.0426v1-abstract-short" style="display: inline;"> Multinucleon transfer reactions in 40Ca+96Zr and 90Zr+208Pb have been measured at energies close to the Coulomb barrier in a high resolution gamma-particle coincidence experiment. The large solid angle magnetic spectrometer PRISMA coupled to the CLARA gamma-array has been employed. Trajectory reconstruction has been applied for the complete identification of transfer products. Mass and charge yi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0707.0426v1-abstract-full').style.display = 'inline'; document.getElementById('0707.0426v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0707.0426v1-abstract-full" style="display: none;"> Multinucleon transfer reactions in 40Ca+96Zr and 90Zr+208Pb have been measured at energies close to the Coulomb barrier in a high resolution gamma-particle coincidence experiment. The large solid angle magnetic spectrometer PRISMA coupled to the CLARA gamma-array has been employed. Trajectory reconstruction has been applied for the complete identification of transfer products. Mass and charge yields, total kinetic energy losses, gamma transitions of the binary reaction partners, and comparison of data with semiclassical calculations are reported. Specific transitions in 95Zr populated in one particle transfer channels are discussed in terms of particle-phonon couplings. The gamma decays from states in 42Ca in the excitation energy region expected from pairing vibrations are also observed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0707.0426v1-abstract-full').style.display = 'none'; document.getElementById('0707.0426v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 July, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C76:024604,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/0612029">arXiv:nucl-ex/0612029</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/0612029">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/0612029">ps</a>, <a href="https://arxiv.org/format/nucl-ex/0612029">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"> Strong Deformation Effects in Hot Rotating 46Ti </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Kmiecik%2C+M">M. Kmiecik</a>, <a href="/search/nucl-ex?searchtype=author&query=Maj%2C+A">A. Maj</a>, <a href="/search/nucl-ex?searchtype=author&query=Brekiesz%2C+M">M. Brekiesz</a>, <a href="/search/nucl-ex?searchtype=author&query=Mazurek%2C+K">K. Mazurek</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Grebosz%2C+J">J. Grebosz</a>, <a href="/search/nucl-ex?searchtype=author&query=Meczynski%2C+W">W. Meczynski</a>, <a href="/search/nucl-ex?searchtype=author&query=Styczen%2C+J">J. Styczen</a>, <a href="/search/nucl-ex?searchtype=author&query=Zieblinski%2C+M">M. Zieblinski</a>, <a href="/search/nucl-ex?searchtype=author&query=Zuber%2C+K">K. Zuber</a>, <a href="/search/nucl-ex?searchtype=author&query=Papka%2C+P">P. Papka</a>, <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Haas%2C+F">F. Haas</a>, <a href="/search/nucl-ex?searchtype=author&query=Rauch%2C+V">V. Rauch</a>, <a href="/search/nucl-ex?searchtype=author&query=Rousseau%2C+M">M. Rousseau</a>, <a href="/search/nucl-ex?searchtype=author&query=Dudek%2C+J">J. Dudek</a>, <a href="/search/nucl-ex?searchtype=author&query=Schunck%2C+N">N. Schunck</a>, <a href="/search/nucl-ex?searchtype=author&query=Bracco%2C+A">A. Bracco</a>, <a href="/search/nucl-ex?searchtype=author&query=Camera%2C+F">F. Camera</a>, <a href="/search/nucl-ex?searchtype=author&query=Benzoni%2C+G">G. Benzoni</a>, <a href="/search/nucl-ex?searchtype=author&query=Wieland%2C+O">O. Wieland</a>, <a href="/search/nucl-ex?searchtype=author&query=Herskind%2C+B">B. Herskind</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Angelis%2C+G">G. De Angelis</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/0612029v1-abstract-short" style="display: inline;"> Exotic-deformation effects in 46Ti nucleus were investigated by analysing the high-energy gamma-ray and the alpha-particle energy spectra. One of the experiments was performed using the charged-particle multi-detector array ICARE together with a large volume (4"x4") BGO detector. The study focused on simultaneous measurement of light charged particles and gamma-rays in coincidence with the evapo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0612029v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/0612029v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/0612029v1-abstract-full" style="display: none;"> Exotic-deformation effects in 46Ti nucleus were investigated by analysing the high-energy gamma-ray and the alpha-particle energy spectra. One of the experiments was performed using the charged-particle multi-detector array ICARE together with a large volume (4"x4") BGO detector. The study focused on simultaneous measurement of light charged particles and gamma-rays in coincidence with the evaporation residues. The experimental data show a signature of very large deformations of the compound nucleus in the Jacobi transition region at the highest spins. These results are compared to data from previous experiments performed with the HECTOR array coupled to the EUROBALL array, where it was found that the GDR strength function is highly fragmented, strongly indicating a presence of nuclei with very large deformation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0612029v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/0612029v1-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 December, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 6 figures, Proceedings of the Zakopane Conference on Nuclear Physics, to be published in Acta Phys. Pol. B (2007)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> ActaPhys.Polon.B38:1437-1446,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/0309007">arXiv:nucl-ex/0309007</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/0309007">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/0309007">ps</a>, <a href="https://arxiv.org/format/nucl-ex/0309007">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nuclphysa.2004.01.084">10.1016/j.nuclphysa.2004.01.084 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for 12C+12C molecule in 24Mg* populated by 24Mg+12C </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Beck%2C+C">C. Beck</a>, <a href="/search/nucl-ex?searchtype=author&query=Zafra%2C+A+S+i">A. Sanchez i Zafra</a>, <a href="/search/nucl-ex?searchtype=author&query=Haas%2C+F">F. Haas</a>, <a href="/search/nucl-ex?searchtype=author&query=Papka%2C+P">P. Papka</a>, <a href="/search/nucl-ex?searchtype=author&query=Rauch%2C+V">V. Rauch</a>, <a href="/search/nucl-ex?searchtype=author&query=Rousseau%2C+M">M. Rousseau</a>, <a href="/search/nucl-ex?searchtype=author&query=Azaiez%2C+F">F. Azaiez</a>, <a href="/search/nucl-ex?searchtype=author&query=Bednarczyk%2C+P">P. Bednarczyk</a>, <a href="/search/nucl-ex?searchtype=author&query=Curien%2C+D">D. Curien</a>, <a href="/search/nucl-ex?searchtype=author&query=Dorvaux%2C+O">O. Dorvaux</a>, <a href="/search/nucl-ex?searchtype=author&query=Nourreddine%2C+A">A. Nourreddine</a>, <a href="/search/nucl-ex?searchtype=author&query=Robin%2C+J">J. Robin</a>, <a href="/search/nucl-ex?searchtype=author&query=von+Oertzen%2C+W">W. von Oertzen</a>, <a href="/search/nucl-ex?searchtype=author&query=Gebauer%2C+B">B. Gebauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Kokalova%2C+T">T. Kokalova</a>, <a href="/search/nucl-ex?searchtype=author&query=Thummerer%2C+S">S. Thummerer</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S">S. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Szilner%2C+S">S. Szilner</a>, <a href="/search/nucl-ex?searchtype=author&query=Catford%2C+W+N">W. N. Catford</a>, <a href="/search/nucl-ex?searchtype=author&query=Jenkins%2C+D">D. Jenkins</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/0309007v1-abstract-short" style="display: inline;"> The gamma-decay properties of 24Mg excited states are investigated in the inverse reaction 24Mg+12C at E(24Mg) = 130 MeV. At this energy the direct inelastic scattering populates a 24Mg* energy region where 12C+12C breakup resonances can occur. Very exclusive data were collected with the Binary Reaction Spectrometer (BRS) in coincidence with EUROBALL installed at the VIVITRON Tandem facility of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0309007v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/0309007v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/0309007v1-abstract-full" style="display: none;"> The gamma-decay properties of 24Mg excited states are investigated in the inverse reaction 24Mg+12C at E(24Mg) = 130 MeV. At this energy the direct inelastic scattering populates a 24Mg* energy region where 12C+12C breakup resonances can occur. Very exclusive data were collected with the Binary Reaction Spectrometer (BRS) in coincidence with EUROBALL installed at the VIVITRON Tandem facility of the IReS at Strasbourg. The experimental detection system is decribed and preliminary results of binary reaction coincid data are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/0309007v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/0309007v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 September, 2003; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2003. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 2 figures included; paper presented at the Nucleus-Nucleus Conference, Moscow, June 2003, and submitted to Nucl. Phys. A</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> IReS 03-13 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.A734:453-456,2004 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/9907001">arXiv:nucl-ex/9907001</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/9907001">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/9907001">ps</a>, <a href="https://arxiv.org/format/nucl-ex/9907001">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.60.021303">10.1103/PhysRevC.60.021303 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Band termination in the N=Z Odd-Odd Nucleus 46V </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Ur%2C+C+A">C. A. Ur</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Brandolini%2C+F">F. Brandolini</a>, <a href="/search/nucl-ex?searchtype=author&query=Cameron%2C+J+A">J. A. Cameron</a>, <a href="/search/nucl-ex?searchtype=author&query=Caurier%2C+E">E. Caurier</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Poli%2C+M">M. De Poli</a>, <a href="/search/nucl-ex?searchtype=author&query=Farnea%2C+E">E. Farnea</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Hankonen%2C+S">S. Hankonen</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Martinez-Pinedo%2C+G">G. Martinez-Pinedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Podolyak%2C+Z">Zs. Podolyak</a>, <a href="/search/nucl-ex?searchtype=author&query=Poves%2C+A">A. Poves</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+C+R">C. Rossi Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Sanchez-Solano%2C+J">J. Sanchez-Solano</a>, <a href="/search/nucl-ex?searchtype=author&query=Somacal%2C+H">H. Somacal</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/9907001v1-abstract-short" style="display: inline;"> High spin states in the odd-odd N=Z nucleus 46V have been identified. At low spin, the T=1 isobaric analogue states of 46Ti are established up to I = 6+. Other high spin states, including the band terminating state, are tentatively assigned to the same T=1 band. The T=0 band built on the low-lying 3+ isomer is observed up to the 1f7/2-shell termination at I=15. Both signatures of a negative pari… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/9907001v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/9907001v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/9907001v1-abstract-full" style="display: none;"> High spin states in the odd-odd N=Z nucleus 46V have been identified. At low spin, the T=1 isobaric analogue states of 46Ti are established up to I = 6+. Other high spin states, including the band terminating state, are tentatively assigned to the same T=1 band. The T=0 band built on the low-lying 3+ isomer is observed up to the 1f7/2-shell termination at I=15. Both signatures of a negative parity T=0 band are observed up to the terminating states at I = 16- and I = 17-, respectively. The structure of this band is interpreted as a particle-hole excitation from the 1d3/2 shell. Spherical shell model calculations are found to be in excellent agreement with the experimental results. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/9907001v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/9907001v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 July, 1999; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 1999. </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, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C60:021303,1999 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/nucl-ex/9712005">arXiv:nucl-ex/9712005</a> <span> [<a href="https://arxiv.org/pdf/nucl-ex/9712005">pdf</a>, <a href="https://arxiv.org/ps/nucl-ex/9712005">ps</a>, <a href="https://arxiv.org/format/nucl-ex/9712005">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.58.3163">10.1103/PhysRevC.58.3163 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Excited States in 52Fe and the Origin of the Yrast Trap at I=12+ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Ur%2C+C+A">C. A. Ur</a>, <a href="/search/nucl-ex?searchtype=author&query=Bucurescu%2C+D">D. Bucurescu</a>, <a href="/search/nucl-ex?searchtype=author&query=Lenzi%2C+S+M">S. M. Lenzi</a>, <a href="/search/nucl-ex?searchtype=author&query=Martinez-Pinedo%2C+G">G. Martinez-Pinedo</a>, <a href="/search/nucl-ex?searchtype=author&query=Napoli%2C+D+R">D. R. Napoli</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazzacco%2C+D">D. Bazzacco</a>, <a href="/search/nucl-ex?searchtype=author&query=Brandolini%2C+F">F. Brandolini</a>, <a href="/search/nucl-ex?searchtype=author&query=Brink%2C+D+M">D. M. Brink</a>, <a href="/search/nucl-ex?searchtype=author&query=Cameron%2C+J+A">J. A. Cameron</a>, <a href="/search/nucl-ex?searchtype=author&query=de+Angelis%2C+G">G. de Angelis</a>, <a href="/search/nucl-ex?searchtype=author&query=De+Poli%2C+M">M. De Poli</a>, <a href="/search/nucl-ex?searchtype=author&query=Gadea%2C+A">A. Gadea</a>, <a href="/search/nucl-ex?searchtype=author&query=Lunardi%2C+S">S. Lunardi</a>, <a href="/search/nucl-ex?searchtype=author&query=Marginean%2C+N">N. Marginean</a>, <a href="/search/nucl-ex?searchtype=author&query=Nagarajan%2C+M+A">M. A. Nagarajan</a>, <a href="/search/nucl-ex?searchtype=author&query=Pavan%2C+P">P. Pavan</a>, <a href="/search/nucl-ex?searchtype=author&query=Alvarez%2C+C+R">C. Rossi Alvarez</a>, <a href="/search/nucl-ex?searchtype=author&query=Svensson%2C+C+E">C. E. Svensson</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="nucl-ex/9712005v1-abstract-short" style="display: inline;"> Excited states in 52Fe have been determined up to spin 10\hbar in the reaction 28Si + 28Si at 115 MeV by using 纬-ray spectroscopy methods at the GASP array. The excitation energy of the yrast 10+ state has been determined to be 7.381 MeV, almost 0.5 MeV above the well known 尾+-decaying yrast 12+ state, definitely confirming the nature of its isomeric character. The mean lifetimes of the states h… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/9712005v1-abstract-full').style.display = 'inline'; document.getElementById('nucl-ex/9712005v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="nucl-ex/9712005v1-abstract-full" style="display: none;"> Excited states in 52Fe have been determined up to spin 10\hbar in the reaction 28Si + 28Si at 115 MeV by using 纬-ray spectroscopy methods at the GASP array. The excitation energy of the yrast 10+ state has been determined to be 7.381 MeV, almost 0.5 MeV above the well known 尾+-decaying yrast 12+ state, definitely confirming the nature of its isomeric character. The mean lifetimes of the states have been measured by using the Doppler Shift Attenuation method. The experimental data are compared with spherical shell model calculations in the full pf-shell. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('nucl-ex/9712005v1-abstract-full').style.display = 'none'; document.getElementById('nucl-ex/9712005v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 December, 1997; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 1997. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, RevTeX, 7 figures included</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C58:3163-3170,1998 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: 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