Study of the reaction 48Ca + 248Cm → 296Lv∗ at RIKEN-GARIS

Daiya Kaji, Kosuke Morita, Kouji Morimoto, Hiromitsu Haba, Masato Asai, Kunihiro Fujita, Zaiguo Gan, Hans Geissel, Hiroo Hasebe, Sigurd Hofmann, Ming Hui Huang, Yukiko Komori, Long Ma, Joachim Maurer, Masashi Murakami, Mirei Takeyama, Fuyuki Tokanai, Taiki Tanaka, Yasuo Wakabayashi, Takayuki YamaguchiSayaka Yamaki, Atsushi Yoshida

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The fusion reaction 48Ca + 248Cm → 296Lv∗ was investigated using the gas-filled recoil ion separator GARIS at RIKEN. The reaction was studied at excitation energies of 41.3 and 38.2 MeV. A total of seven decay chains were observed. Three of the chains were assigned to the decay of 292Lv and three to the decay of 293Lv. A possible observation of an α-decay branch of 284Cn populating the new spontaneously fissioning nucleus 280Ds is discussed. The assignment of one of the decay chains to the 3n evaporation channel, resulting in a spontaneous fission branch of 285Cn, or to the 2n channel, resulting in the population of the new fissioning nucleus 286Cn, is ambiguous. Measured cross sections are in agreement with previously published values.

Original languageEnglish
Article number034201
Journaljournal of the physical society of japan
Issue number3
Publication statusPublished - 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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