Measurement of the 24Mg(p,t)22Mg reaction for the states near the 21Na + p threshold

S. Michimasa, S. Kubono, S. H. Park, T. Teranishi, Y. Yanagisawa, N. Imai, Zs Fülöp, X. Liu, T. Minemura, C. C. Yun, J. M. D'Auria, K. P. Jackson

研究成果: Contribution to journalArticle査読

20 被引用数 (Scopus)

抄録

Differential cross-sections of the 24Mg(p,t)22Mg reaction were measured at 34.68 MeV for the states near the proton threshold at 5.502 MeV in 22Mg. Among them, the new states at 5.962, 6.046, 6.246 and 6.323 MeV, which were reported previously, have been confirmed. Angular distributions for these states were analyzed by distorted-wave Born-approximation calculations to deduce the spins and parities. The angular distribution for the 5.714 MeV state, which is considered to be most crucial for the stellar reaction 21Na(p,γ)22Mg, has been found to be consistent with Jπ = 0+ assignment. The 6.046 MeV state is newly assigned to have Jπ = 0+, and the 5.962 MeV state is tentatively assigned to have Jπ = (1-). These two states will also play an important role for 22Mg production in novae.

本文言語英語
ページ(範囲)275-278
ページ数4
ジャーナルEuropean Physical Journal A
14
3
DOI
出版ステータス出版済み - 7 2002
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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