Kr-67 TWO-PROTON RADIOACTIVITY: RESULTS AND THEORETICAL INTERPRETATIONS

Tarih
2019
Yazar
Ahn, D. S.
Agramunt, J.
Algora, A.
Guadilla, V
Montaner-Piza, A.
Morales, A.
Orrigo, S. E. A.
Rubio, B.
Gelletly, W.
Aguilera, P.
Molina, F.
Diel, F.
Lubos, D.
de Angelis, G.
Napoli, D.
Borcea, C.
Boso, A.
Chiba, J.
Nishimura, D.
Oikawa, H.
Takei, Y.
Yagi, S.
Wimmer, K.
De France, G.
Go, S.
Brown, B. A.
Ganioglu, E.
Cakirli, R. B.
Goigoux, T.
Ascher, P.
Blank, B.
Gerbaux, M.
Giovinazzo, J.
Grevy, S.
Nieto, T. Kurtukian
Magron, C.
Doornenbal, P.
Fukuda, N.
Inabe, N.
Kiss, G.
Kubo, T.
Kubono, S.
Nishimura, S.
Sakurai, H.
Shimizu, Y.
Sidong, C.
Soderstrom, P-A
Sumikama, T.
Suzuki, H.
Takeda, H.
Vi, P.
Wu, J.
Fujita, Y.
Tanaka, M.
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Özet
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 Mg-19, Fe-45, Ni-48, Zn-54 and Kr-67. Kr-67 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 halflife, 7.4(30) ms, was found in contradiction with theoretical calculations, pointing out effects of decay dynamics and nuclear deformation.
Bağlantı
http://hdl.handle.net/20.500.12627/70434
https://doi.org/10.5506/aphyspolb.50.399
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