Feasibility study to search for the rare γ-decay mode in 12C

M. Tsumura, T. Kawabata, S. Adachi, T. Baba, T. Furuno, Y. Ishii, M. Murata, F. Kobayashi, Y. Kanada-En'Yo, A. Tamii, T. Hashimoto, K. Hatanaka, Y. Matsuda, K. Miki, C. Iwamoto, T. Ito, M. Miura, J. Zenihiro, S. Kubono, M. ItohS. Ando, Y. Maeda, S. Sakaguchi, H. Akimune, H. Fujimura, I. Ou

研究成果: Contribution to journalConference article査読

3 被引用数 (Scopus)


Excited states in 12C nuclei play a very important role in the nucleosynthesis in the universe. 12C nuclei are synthesized by the triple α reaction. Normally this process proceeds via the 0+2 state (Hoyle state) at Ex 7.65 MeV in 12C, however, at high temperature T > 109 the highly excited 3α resonant states such as the 3-1 state at Ex 9.64 MeV and the 2+2 state at Ex 9.84 MeV play a part of the triple α reaction. Unfortunately, the γ-decay probability of the 3p state has not been determined, therefore we planned to determine the 7- decay probability using the inverse kinematic reaction 1H(12C, 12Cp) without measuring γ-rays. The test experiment was carried out at the cyclotron facility in RCNP. The results of the test experiment are reported in the present paper.

ジャーナルJournal of Physics: Conference Series
出版ステータス出版済み - 2014
イベント3rd International Workshop on State of the Art in Nuclear Cluster Physics, SOTANCP 2014 - Yokohama, 日本
継続期間: 5 26 20145 30 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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