Improved Value for the Gamow-Teller Strength of the Sn100 Beta Decay

D. Lubos et al.
Phys. Rev. Lett. 122, 222502 – Published 7 June 2019
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Abstract

A record number of Sn100 nuclei was detected and new isotopic species toward the proton dripline were discovered at the RIKEN Nishina Center. Decay spectroscopy was performed with the high-efficiency detector arrays WAS3ABi and EURICA. Both the half-life and the β-decay end point energy of Sn100 were measured more precisely than the literature values. The value and the uncertainty of the resulting strength for the pure 0+1+ Gamow-Teller decay was improved to BGT=4.40.7+0.9. A discrimination between different model calculations was possible for the first time, and the level scheme of In100 is investigated further.

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  • Received 18 February 2019
  • Revised 11 April 2019

DOI:https://doi.org/10.1103/PhysRevLett.122.222502

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

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Vol. 122, Iss. 22 — 7 June 2019

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