Neutron Spectroscopic Factors of 7Li and Astrophysical 6Li(n,γ)7Li Reaction Rates
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SU Jun,
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LI Zhi-Hong,
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GUO Bing,
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BAI Xi-Xiang,
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LI Zhi-Chang,
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LIU Jian-Cheng,
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WANG You-Bao,
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LIAN Gang,
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ZENG Sheng,
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WANG Bao-Xiang,
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YAN Sheng-Quan,
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LI Yun-Ju,
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LI Er-Tao,
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FAN Qi-Wen,
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LIU Wei-Ping
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Abstract
Angular distributions of the 7Li(6Li,6Li)7Li elastic scattering and the 7Li(6Li,7Lig.s.)6Li,7Li(6Li,7Li0.48)6Li transfer reactions at Ec.m.=23.7 MeV are measured with the Q3D magnetic spectrograph. The optical potential of 6Li+7Li is obtained by fitting the elastic scattering differential cross sections. Based on the distorted wave Born approximation (DWBA) analysis, spectroscopic factors of 7Li=6 are determined to be 0.73±0.05 and 0.90±0.09 for the ground and first exited states in 7Li, respectively. Using the spectroscopic factors, the cross sections of the direct neutron capture reactions and the astrophysical reaction rates are derived.
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SU Jun, LI Zhi-Hong, GUO Bing, BAI Xi-Xiang, LI Zhi-Chang, LIU Jian-Cheng, WANG You-Bao, LIAN Gang, ZENG Sheng, WANG Bao-Xiang, YAN Sheng-Quan, LI Yun-Ju, LI Er-Tao, FAN Qi-Wen, LIU Wei-Ping. Neutron Spectroscopic Factors of
7Li and Astrophysical
6Li(n,γ)
7Li Reaction Rates[J].
Chin. Phys. Lett., 2010, 27(5): 052101.
DOI: 10.1088/0256-307X/27/5/052101
SU Jun, LI Zhi-Hong, GUO Bing, BAI Xi-Xiang, LI Zhi-Chang, LIU Jian-Cheng, WANG You-Bao, LIAN Gang, ZENG Sheng, WANG Bao-Xiang, YAN Sheng-Quan, LI Yun-Ju, LI Er-Tao, FAN Qi-Wen, LIU Wei-Ping. Neutron Spectroscopic Factors of 7Li and Astrophysical 6Li(n,γ)7Li Reaction Rates[J]. Chin. Phys. Lett., 2010, 27(5): 052101. DOI: 10.1088/0256-307X/27/5/052101
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SU Jun, LI Zhi-Hong, GUO Bing, BAI Xi-Xiang, LI Zhi-Chang, LIU Jian-Cheng, WANG You-Bao, LIAN Gang, ZENG Sheng, WANG Bao-Xiang, YAN Sheng-Quan, LI Yun-Ju, LI Er-Tao, FAN Qi-Wen, LIU Wei-Ping. Neutron Spectroscopic Factors of 7Li and Astrophysical 6Li(n,γ)7Li Reaction Rates[J]. Chin. Phys. Lett., 2010, 27(5): 052101. DOI: 10.1088/0256-307X/27/5/052101
SU Jun, LI Zhi-Hong, GUO Bing, BAI Xi-Xiang, LI Zhi-Chang, LIU Jian-Cheng, WANG You-Bao, LIAN Gang, ZENG Sheng, WANG Bao-Xiang, YAN Sheng-Quan, LI Yun-Ju, LI Er-Tao, FAN Qi-Wen, LIU Wei-Ping. Neutron Spectroscopic Factors of 7Li and Astrophysical 6Li(n,γ)7Li Reaction Rates[J]. Chin. Phys. Lett., 2010, 27(5): 052101. DOI: 10.1088/0256-307X/27/5/052101
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