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.

doi:10.1103/PhysRevLett.122.222502

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Physical Review Letters. 2019, vol. 122, n° 22, p. 222502

American Physical Society

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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=4.4-0.7+0.9. A discrimination between different model calculations was possible for the first time, and the level scheme of In100 is investigated further.< Réduire

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Nuclear Physics

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Improved Value for the Gamow-Teller Strength of the $^{100}$Sn Beta Decay

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