12C(20Ne, 16O)16O α-transfer reaction and astrophysical S-factors at 300keV

International Journal of Modern Physics E-nuclear Physics Pub Date : 2021-05-01 DOI:10.1142/S0218301321500397

A. Mondal, C. Basu, S. Adhikari, C. Bhattacharya, T. Rana, S. Kundu, S. Manna, R. Pandey, P. Roy, A. Sen, J. K. Meena, A. Saha, J. K. Sahoo, D. Basak, T. Bar, H. Pai, A. Bisoi, A. Mitra, P. Biswas

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Abstract

The [Formula: see text]C([Formula: see text]Ne, [Formula: see text]O)[Formula: see text]O reaction has been used for the first time to determine ANC of [Formula: see text]O levels. The [Formula: see text]C([Formula: see text]Ne, [Formula: see text]O)[Formula: see text]O [Formula: see text]-transfer angular distributions are measured at [Formula: see text][Formula: see text]MeV and used to determine the ANC of the ground, 6.05[Formula: see text]MeV ([Formula: see text]), 6.13[Formula: see text]MeV ([Formula: see text]), 6.92[Formula: see text]MeV ([Formula: see text]) and 7.12[Formula: see text]MeV ([Formula: see text]) states of [Formula: see text]O. The ANC values are [Formula: see text] [Formula: see text] [Formula: see text], [Formula: see text] [Formula: see text], [Formula: see text] [Formula: see text], [Formula: see text] [Formula: see text] and [Formula: see text] [Formula: see text]. Astrophysical S-factors at 300[Formula: see text]keV are extracted [Formula: see text]) keV b and [Formula: see text] keV b[Formula: see text] using these ANC values by R-matrix theory.

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300keV下12C(20Ne, 16O)16O α-转移反应及天体物理s因子

[公式:见文]C([公式:见文]Ne，[公式:见文]O)[公式:见文]O反应首次用于测定[公式:见文]O水平的ANC。[公式:见文]C([公式:见文]Ne，[公式:见文]O)[公式:见文]O[公式:见文]传递角分布在[公式:见文][公式:见文]MeV处测量，用于确定地面的ANC, 6.05[公式:见文]MeV([公式:见文])，6.13[公式:见文]MeV([公式:见文])，6.92[公式:见文]MeV([公式:见文])和7.12[公式:见文]MeV([公式:见文])[公式:见文]O的状态。ANC值为[公式:见文本][公式:见文本][公式:见文本][公式:见文本]，[公式:见文本][公式:见文本]，[公式:见文本][公式:见文本]，[公式:见文本][公式:见文本]，[公式:见文本][公式:见文本]和[公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本][公式:见文本]。根据r矩阵理论，利用这些ANC值提取300[公式:见文]keV的天体物理s因子[公式:见文])keV b和[公式:见文]keV b[公式:见文]。

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International Journal of Modern Physics E-nuclear Physics

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