67 Kr two-proton radioactivity: Results and theoretical interpretations

T. Goigoux, P. Ascher, B. Blank, M. Gerbaux, J. Giovinazzo, S. Grévy, T. Kurtukian Nieto, C. Magron, D. S. Ahn, P. Doornenbal, N. Fukuda, N. Inabe, G. Kiss, T. Kubo, S. Kubono, S. Nishimura, H. Sakurai, Y. Shimizu, C. Sidong, P. A. SöderströmT. Sumikama, H. Suzuki, H. Takeda, P. Vi, J. Wu, Y. Fujita, M. Tanaka, J. Agramunt, A. Algora, V. Guadilla, A. Montaner-Piza, A. I. Morales, S. E.A. Orrigo, B. Rubio, W. Gelletly, P. Aguilera, F. Molina, F. Diel, D. Lubos, G. de Angelis, D. Napoli, C. Borcea, A. Boso, R. B. Cakirli, E. Ganioglu, J. Chiba, D. Nishimura, H. Oikawa, Y. Takei, S. Yagi, K. Wimmer, G. De France, S. Go, B. A. Brown

研究成果: Contribution to journalArticle査読


The two-proton radioactivity is a unique tool to study the nuclear structure beyond the proton drip-line. Since its discovery in 2002, the known emitters have been 19 Mg, 45 Fe, 48 Ni, 54 Zn and 67 Kr. 67 Kr was observed for the first time at the RIKEN Nishina Center in 2015. Its decay energy was measured at 1690(17) keV with a branching ratio of 37(14)%. The half-life, 7.4(30) ms, was found in contradiction with theoretical calculations, pointing out effects of decay dynamics and nuclear deformation.

ジャーナルActa Physica Polonica B
出版ステータス出版済み - 3 2019

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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