PARK, J.; KRÜCKEN, R.; LUBOS, D.; GERNHÄUSER, R.; LEWITOWICZ, M.; NISHIMURA, S.; AHN, D.S.; BABA, H.; BLANK, B.; BLAZHEV, A.; BOUTACHKOV, P.; BROWNE, F.; CELIKOVIC, I.; DE FRANCE, G.; DOORNENBAL, P.; FAESTERMANN, T.; FANG, Y.; FUKUDA, N.; GIOVINAZZO, J.; GOEL, N.; GÓRSKA, M.; GRAWE, H.; ILIEVA, S.; INABE, N.; ISOBE, T.; JUNGCLAUS, A.; KAMEDA, D.; KIM, G.D.; KIM, Y.K.; KOJOUHAROV, I.; KUBO, T.; KURZ, N.; LORUSSO, G.; MOSCHNER, K.; MURAI, D.; NISHIZUKA, I.; PATEL, Z.; RAJABALI, M.M.; RICE, S.; SAKURAI, H.; SCHAFFNER, H.; SHIMIZU, Y.; SINCLAIR, L.; SÖDERSTRÖM, P.A.; STEIGER, K.; SUMIKAMA, T.; SUZUKI, H.; TAKEDA, H.; WANG, Z.; WATANABE, H.; WU, J.; XU, Z.Y.

doi:10.1103/PhysRevC.97.051301

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Phys.Rev.C. 2018, vol. 97, n° 5, p. 051301

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We report on new or more precise half-lives, β-decay endpoint energies, and β-delayed proton emission branching ratios of Pd91, Cd95, In97, and Sn99. The measured values are consistent with known mirror transitions in lighter Tz=−1/2 nuclei, shell-model calculations, and various mass models. In addition to the β-decaying (9/2+) ground state, circumstantial evidence for a short-lived, proton-emitting isomer with spin (1/2−) was found in In97. Based on the experimental data, a semiempirical theory on proton emission, and shell-model calculations, the proton separation energy of the In97 ground state was determined to be −0.10±0.19 MeV. The existence of the short-lived, proton-unstable (1/2−) isomer in In97 establishes Cd96 as an rp-process waiting point.< Réduire

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$\beta$ decays of the heaviest $N=Z-1$ nuclei and proton instability of $^{97}\mathrm{In}$

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