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^(58)Ni(p,γ)^(59)Cu反应的天体热核反应率
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作者 刘绍湘 刘兆远 +3 位作者 马树勋 蔡晓红 柳纪虎 冯嘉祯 《兰州大学学报(自然科学版)》 CAS CSCD 北大核心 1991年第1期35-40,共6页
用能量为1.2MeV—3.4MeV的质子轰击纯镍厚靶,测得了~958)Ni(p,γ)^(59)Cu反应的产额,给出了测量方法.由测得的产额计算出爆发式核素合成时相应温度下的天体热核反应率,所得结果与理论预期值及他人实验结果作了比较.并对结果作了讨论.
关键词 天体 热核反应率 ^^^58ni ^^^59cu 厚靶
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Comprehensive analysis of uncertainty quantification for the^(58)Ni(n,p)^(58)Co reaction cross section
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作者 Mahesh Choudhary Aman Sharma +15 位作者 Namrata Singh Mahima Upadhyay Punit Dubey A.Gandhi Akash Hingu G Mishra Sukanya De L.S.Danu Ajay Kumar R.G.Thomas Saurav Sood Sajin Prasad S.Mukherjee I.N.Ruskov Yu.N.Kopatch A.Kumar 《Chinese Physics C》 SCIE CAS 2024年第9期170-175,共6页
In this study,we measured the^(58)Ni(n,p)^(58)Co reaction cross section with neutron energies of 1.06,1.86,and 2.85 MeV.The cross section was measured using neutron activation techniques andγ-ray spectroscopy,and it ... In this study,we measured the^(58)Ni(n,p)^(58)Co reaction cross section with neutron energies of 1.06,1.86,and 2.85 MeV.The cross section was measured using neutron activation techniques andγ-ray spectroscopy,and it was compared with cross section data available in the EXFOR.Furthermore,we calculated the covariance matrix of the measured cross section for the aforementioned nuclear reaction.The uncertainties of the theoretical calculation for^(58)Ni(n,p)^(58)Co reaction cross section were calculated via Monte Carlo method.In this study,we used uncertainties in the optical model and level density parameters to calculate uncertainties in the theoretical cross sections.The theoretical calculations were performed by using TALYS-1.96.In this study,we aim to analyze the effect of uncertainties of the nuclear model input as well as different experimental variables used to obtain the values of reaction cross section. 展开更多
关键词 ^^^(58)ni(n ^^p)^(58)Co reaction γ-ray spectroscopy uncertainty quantification of cross section covariance analysis
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