Toward the limit of nuclear binding on the N=Z line: Spectroscopy of Cd 96

P. J. Davies, J. Park, H. Grawe, R. Wadsworth, R. Gernhäuser, R. Krücken, F. Nowacki, D. S. Ahn, F. Ameil, H. Baba, T. Bäck, B. Blank, A. Blazhev, P. Boutachkov, F. Browne, I. Čeliković, M. Dewald, P. Doornenbal, T. Faestermann, Y. FangG. De France, N. Fukuda, A. Gengelbach, J. Gerl, J. Giovinazzo, S. Go, N. Goel, M. Górska, E. Gregor, H. Hotaka, S. Ilieva, N. Inabe, T. Isobe, D. G. Jenkins, J. Jolie, H. S. Jung, A. Jungclaus, D. Kameda, G. D. Kim, Y. K. Kim, I. Kojouharov, T. Kubo, N. Kurz, M. Lewitowicz, G. Lorusso, D. Lubos, L. Maier, E. Merchan, K. Moschner, D. Murai, F. Naqvi, H. Nishibata, D. Nishimura, S. Nishimura, I. Nishizuka, Z. Patel, N. Pietralla, M. M. Rajabali, S. Rice, H. Sakurai, H. Schaffner, Y. Shimizu, L. F. Sinclair, P. A. Söderström, K. Steiger, T. Sumikama, H. Suzuki, H. Takeda, J. Taprogge, P. Thöle, S. Valder, Z. Wang, N. Warr, H. Watanabe, V. Werner, J. Wu, Z. Y. Xu, A. Yagi, K. Yoshinaga, Y. Zhu

研究成果: Contribution to journalArticle

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A γ-decaying isomeric state (τ1/2=197-17+19 ns) has been identified in Cd96, which is one α particle away from the last known bound N=Z nucleus, Sn100. Comparison of the results with shell-model calculations has allowed a tentative experimental level scheme to be deduced and the isomer to be interpreted as a medium-spin negative-parity spin trap based on the coupling of isoscalar (T=0) and isovector (T=1) neutron-proton pairs. The data also suggest evidence for the population of a 9+ T=1 state, which is predicted by shell-model calculations to be yrast. Such a low-lying T=1 state, which is unknown in lighter mass even-even self-conjugate nuclei, can also be interpreted in terms of the coupling of T=0 and T=1 neutron-proton pairs.

元の言語英語
記事番号021302
ジャーナルPhysical Review C
99
発行部数2
DOI
出版物ステータス出版済み - 2 11 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Davies, P. J., Park, J., Grawe, H., Wadsworth, R., Gernhäuser, R., Krücken, R., Nowacki, F., Ahn, D. S., Ameil, F., Baba, H., Bäck, T., Blank, B., Blazhev, A., Boutachkov, P., Browne, F., Čeliković, I., Dewald, M., Doornenbal, P., Faestermann, T., ... Zhu, Y. (2019). Toward the limit of nuclear binding on the N=Z line: Spectroscopy of Cd 96. Physical Review C, 99(2), [021302]. https://doi.org/10.1103/PhysRevC.99.021302