β -decay half-lives of 55 neutron-rich isotopes beyond the N=82 shell gap

Wu, J.; Nishimura, S.; Möller, P.; Mumpower, M. R.; Lozeva, R.; Moon, C. B.; Odahara, A.; Baba, H.; Browne, F.; Daido, R.; Doornenbal, P.; Fang, Y. F.; Haroon, M.; Isobe, T.; Jung, H. S.; Lorusso, G.; Moon, B.; Patel, Z.; Rice, S.; Sakurai, H.; Shimizu, Y.; Sinclair, L.; Söderström, P. -A.; Sumikama, T.; Watanabe, H.; Xu, Z. Y.; Yagi, A.; Yokoyama, R.; Ahn, D. S.; Bello Garrote, F. L.; Daugas, J. M.; Didierjean, F.; Fukuda, N.; Inabe, N.; Ishigaki, T.; Kameda, D.; Kojouharov, I.; Komatsubara, T.; Kubo, T.; Kurz, N.; Kwon, K. Y.; Morimoto, S.; Murai, D.; Nishibata, H.; Schaffner, H.; Sprouse, T. M.; Suzuki, H.; Takeda, H.; Tanaka, M.; Tshoo, K.; Wakabayashi, Y.

doi:10.1103/PhysRevC.101.042801

Title: $β$ -decay half-lives of 55 neutron-rich isotopes beyond the $N = 82$ shell gap

Journal Article · Thu Apr 23 00:00:00 EDT 2020 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.101.042801· OSTI ID:1617848

^[1]; Nishimura, S. ^[2]; Möller, P. ^[3]; Mumpower, M. R. ^[4]; Lozeva, R. ^[5]; Moon, C. B. ^[6]; Odahara, A. ^[7]; Baba, H. ^[2]; Browne, F. ^[8]; Daido, R. ^[7]; Doornenbal, P. ^[2]; Fang, Y. F. ^[7]; Haroon, M. ^[7]; Isobe, T. ^[2]; Jung, H. S. ^[9]; Lorusso, G. ^[10]; Moon, B. ^[11]; Patel, Z. ^[12]; Rice, S. ^[12]; Sakurai, H. ^[13] more »

Argonne National Lab. (ANL), Argonne, IL (United States); RIKEN Nishina Center, Saitama (Japan)
RIKEN Nishina Center, Saitama (Japan)
P. Moller Scientific Computing and Graphics, Inc., Los Alamos, NM (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Univ. of Strasbourg, Strasbourg (France). Inst. pluridisciplinaire Hubert Curien (IPHC); Universite Paris-Saclay, Orsay (France). Center for Nuclear Sciences and Material Sciences (CSNSM), National Inst. for Nuclear Physics and Particle Physics (IN2P3) of the National Center for Scientific Research (CNRS)
Hoseo Univ., Chung-Nam (Korea)
Osaka Univ., Osaka (Japan)
Univ. of Brighton (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
Chung-Ang Univ., Seoul (Korea, Republic of). Dept. of Physics
RIKEN Nishina Center, Saitama (Japan); National Physical Lab. (NPL), Teddington (United Kingdom); Univ. of Surrey, Guildford (United Kingdom)
Korea Univ., Seoul (Korea)
Univ. of Surrey, Guildford (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
RIKEN Nishina Center, Saitama (Japan); Univ. of Tokyo (Japan)
Univ. of York (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
Beihang Univ., Beijing (China). International Research Center for Nuclei and Particles in the Cosmos (IRCNPC)
Univ. of Hong Kong (Hong Kong); Univ. of Tokyo (Japan)
Osaka Univ. (Japan). Dept. of Physics
Univ. of Tokyo, Saitama (Japan). Center for Nuclear Study (CNS)
Univ. of Oslo (Norway)
Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France). DAM, DIF
Univ. of Strasbourg, Strasbourg (France). National Inst. for Nuclear Physics and Particle Physics (IN2P3) of the National Center for Scientific Research (CNRS), PHC
GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt (Germany)
Inst. for Basic Science, Daejeon (Korea). Rare Isotope Science Project
Univ. of Notre Dame, IN (United States)
Osaka Univ. (Japan). Research Center for Nuclear Physics (RCNP)

The $β$ -decay half-lives of 55 neutron-rich nuclei ${}_{134 - 139}{Sn}$ , ${}_{134 - 142}{Sb}$ , ${}_{137 - 144}{Te}$ , ${}_{140 - 146}I$ , ${}_{142 - 148}{Xe}$ , ${}_{145 - 151}{Cs}$ , ${}_{148 - 153}{Ba}$ , and ${}_{151 - 155}{La}$ were measured at the Radioactive Isotope Beam Factory employing the projectile fission fragments of ${}_{238}U$ . The nuclear level structure, which relates to deformation, has a large effect on the half-lives. The impact of newly measured half-lives on modeling the astrophysical origin of the heavy elements is studied in the context of $r$ process nucleosynthesis. For a wide variety of astrophysical conditions, including those in which fission recycling occurs, the half-lives have an important local impact on the second ( $A$ $\approx$ 130) peak.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA); Spanish Ministerio de Ciencia e Innovacin; Ministry of Education, Science, and Technology (MEST); National Research Foundation of Korea (NRF); UK Science and Technology Facilities Council; RIKEN; Hungarian Scientific Research Fund

Grant/Contract Number:: AC02-06CH11357; AC52-06NA25396; NRF-2009-0093817; NRF- 2015R1D1A1A01056918; NRF-2016R1A5A1013277; NRF-2013R1A1A2063017; K100835; 89233218CNA000001

OSTI ID:: 1617848

Alternate ID(s):: OSTI ID: 1645092

Report Number(s):: LA-UR-20-22956; PRVCAN; 158157; TRN: US2106769

Journal Information:: Physical Review C, Vol. 101, Issue 4; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 23 works

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Title: $β$ -decay half-lives of 55 neutron-rich isotopes beyond the $N = 82$ shell gap