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Introduction Calcium is one of the most important structural materials. The abundance of ~(40)Ca in natural calcium is 96.94%, so ~(40)Ca(n,α) data are very important in nuclear engineering. As we know, experimental data for ~(40)Ca(n,α) reaction are scarce and there are large differences among them. Although ~(40)Ca is a double magic nucleus, theoretical calculation of ~(40)Ca(n,α) data is difficult to fit experimental ones. Reliable data are needed for the study of reaction mechanism.
As we know, experimental (40) Ca (n, α) data are very important in nuclear engineering. Asphyxiation of ~ (40) Ca in natural calcium is 96.94%, so ~ (40) Ca Data for ~ (40) Ca (n, α) reactions are scarce and there are large differences among them. ~ (40) Ca is a double magic nucleus, theoretical calculation of ~ (40) Ca difficult to fit experimental ones. Reliable data are needed for the study of reaction mechanism.