Improved Value for the Gamow-Teller Strength of the $^{100}$Sn Beta Decay
- Lubos, D.
- Park, J.
- Faestermann, T.
- Gernhäuser, R.
- Krücken, R.
- Lewitowicz, M.
- Nishimura, S.
- Sakurai, H.
- Ahn, D.S.
- Baba, H.
- Blank, B.
- Blazhev, A.
- Boutachkov, P.
- Browne, F.
- Čeliković, I.
- de France, G.
- Doornenbal, P.
- Fang, Y.
- Fukuda, N.
- Giovinazzo, J.
- Goel, N.
- Górska, M.
- Ilieva, S.
- Inabe, N.
- Isobe, T.
- Jungclaus, A.
- Kameda, D.
- Kim, Y.K.
- Kojouharov, I.
- Kubo, T.
- Kurz, N.
- Kwon, Y.K.
- Lorusso, G.
- Moschner, K.
- Murai, D.
- Nishizuka, I.
- Patel, Z.
- Rajabali, M.M.
- Rice, S.
- Schaffner, H.
- Shimizu, Y.
- Sinclair, L.
- Söderström, P.A.
- Steiger, K.
- Sumikama, T.
- Suzuki, H.
- Takeda, H.
- Wang, Z.
- Warr, N.
- Watanabe, H.
- Wu, J.
- Xu, Z.
Publication date
January 2019
DOI Publisher
American Physical Society (APS)Abstract
International audienceA 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=4.4-0.7+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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