Measurements of <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>β</mi></math>-delayed proton emitters in the region of <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Sn</mi><mprescripts></mprescripts><none></none><mn>100</mn></mmultiscripts></math>

C. J. Appleton; P. J. Woods; A. Algora; J. A. Victoria; B. Rubio; D. S. Ahn; J. Agramunt; H. Baba; S. Bae; C. G. Bruno; M. L. Cortes; T. Davinson; P. Doornenbal; Y. Fujita; N. Fukuda; E. Ganioglu; C. J. Griffin; V. Guadilla; J. Ha; O. Hall; T. Isobe; D. Kahl; M. Kanenko; G. Kiss; S. Kubono; I. Kuti; M. Labiche; J. Lee; Y. Litvinov; J. Liu; F. Molina; E. Nacher; D. Nishimura; S. Nishimura; S. E. A. Orrigo; Zs. Podolyak; K. P. Rykaczewski; H. Sakurai; H. Shimizu; Y. Shimizu; H. Suzuki; D. Sohler; T. Sumikama; J. L. Tain; H. Takeda; A. Tolosa-Delagado; M. Wolinska-Cichocka

doi:10.1103/fqfz-rf2c

Measurements of $β$ -delayed proton emitters in the region of ${}^{100}{Sn}$

C. J. Appleton ^1,2,*, P. J. Woods¹, A. Algora ³, J. A. Victoria ³, B. Rubio ³, D. S. Ahn^4,5, J. Agramunt³, H. Baba ⁴, S. Bae ⁶ et al.

C. G. Bruno ¹, M. L. Cortes⁷, T. Davinson ¹, P. Doornenbal ⁴, Y. Fujita ⁸, N. Fukuda⁴, E. Ganioglu⁹, C. J. Griffin ¹⁰, V. Guadilla ^11,12, J. Ha ⁶, O. Hall ¹, T. Isobe ⁴, D. Kahl ^1,5, M. Kanenko⁴, G. Kiss ¹³, S. Kubono ⁴, I. Kuti ¹³, M. Labiche ¹⁴, J. Lee¹⁵, Y. Litvinov ^16,17, J. Liu ¹⁵, F. Molina ¹⁸, E. Nacher³, D. Nishimura⁴, S. Nishimura ⁴, S. E. A. Orrigo ³, Zs. Podolyak ¹⁹, K. P. Rykaczewski ²⁰, H. Sakurai ⁴, H. Shimizu⁴, Y. Shimizu⁴, H. Suzuki⁴, D. Sohler ¹³, T. Sumikama ⁴, J. L. Tain ³, H. Takeda⁴, A. Tolosa-Delagado ³, and M. Wolinska-Cichocka ²¹

¹School of Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3FD, United Kingdom
²Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
³Instituto de Fisica Corpuscular, CSIC and Universitat de Valencia, 46980 Paterna, Spain
⁴RIKEN Nishina Center, Wako, Saitama 351-0198, Japan
⁵Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA
⁶Department of Physics and Astronomy, Seoul National University, Gwanak-gu, Seoul, South Korea
⁷INFN-Legnaro, 35020 Legnaro PD, Italy
⁸Osaka University, Suita, Osaka 565-0871, Japan
⁹Department of Physics, University of Istanbul, 34134 Fatih/Istanbul, Türkiye
¹⁰Physical Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
¹¹Subatech, IMT-Atlantique, Université de Nantes, CNRS-IN2P3, 44307 Nantes, France
¹²Faculty of Physics, University of Warsaw, 02-093, Warsaw, Poland
¹³HUN-REN ATOMKI, 4026 Debrecen, Hungary
¹⁴Science and Technologies Facilities Council Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United Kingdom
¹⁵Department of Physics, University of Hong Kong, Hong Kong Island, HK SAR
¹⁶GSI Helmholtzzentrum, Wixhausen, 64291 Darmstadt, Germany
¹⁷Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
¹⁸Comisión Chilena de Energía Nuclear, Santiago Centro, Chile
¹⁹Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom
²⁰Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
²¹Heavy Ion Laboratory, University of Warsaw, 02-093 Warsaw, Poland

^*Contact author: CJAppleton@lbl.gov

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Phys. Rev. C 112, 034310 – Published 9 September, 2025

DOI: https://doi.org/10.1103/fqfz-rf2c

Abstract

An experiment on neutron-deficient nuclei in the region of doubly magic ${}^{100}{Sn}$ was carried out at the Radioactive Ion Beam Factory (RIBF) at the RIKEN Nishina Center in Japan. $N \approx Z \approx 50$ nuclei were produced following fragmentation of an intense primary ${}^{124}{Xe}$ beam and implanted in the Advanced Implantation Detector Array silicon setup for the first study of proton-rich nuclei with this system at RIKEN. Measurements of the $β$ -delayed proton emitter decay half-lives, branching ratios and proton energy spectra of nuclei in the region of ${}^{100}{Sn}$ were performed, with improved precision in many cases. New results for the energy spectrum of ${}^{101}{Sn}$ are presented, where a 2.03(5)-MeV peak was observed. These results are compared to shell-model calculations, using the recent precise measurement of the ${}^{101}{In}$ proton separation energy are presented.

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Measurements of $β$ -delayed proton emitters in the region of ${}^{100}{Sn}$

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Measurements of β-delayed proton emitters in the region of Sn100

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Measurements of $β$ -delayed proton emitters in the region of ${}^{100}{Sn}$