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Das, S. K.*; 福田 共和*; 溝井 浩*; 石山 博恒*; 宮武 宇也*; 渡辺 裕*; 平山 賀一*; Jeong, S. C.*; 池添 博*; 松田 誠; et al.
Physical Review C, 95(5), p.055805_1 - 055805_4, 2017/05
被引用回数:3 パーセンタイル:27.26(Physics, Nuclear)The Li(,n)B reaction is regarded as the key reaction in the inhomogeneous big bang and in type-II supernova nucleosynthesis. Recently, the importance of this reaction to solving the Li problem, i.e., the inconsistency between the predicted and the observed primordial Li abundances, has also been noted. The most recent cross-section data published by our collaboration group in 2006 [H. Ishiyama et al., Phys. Lett. B 640, 82 (2006)] cover the 0.7- to 2.6-MeV energy region in the center-of-mass system. Here, we present additional data spanning the 0.45- to 1.80-MeV energy region. Thus, the predominant energy region for the big bang nucleosynthesis, corresponding to T = 1 (where T is a temperature unit equivalent to 109 K), is almost completely spanned by the previous [H. Ishiyama et al., Phys. Lett. B 640, 82 (2006)] and present results together.