Nonresonant capture cross sections of $^{11}\mathrm{B}(n,\ensuremath{\gamma})$ and $^{12}\mathrm{C}(n,\ensuremath{\gamma})$ at stellar energies

Nonresonant capture cross sections of ${}^{11}B (n, γ)$ and ${}^{12}C (n, γ)$ at stellar energies

C. J. Lin, H. Q. Zhang, Z. H. Liu, W. Y. Wu, F. Yang, and M. Ruan

Phys. Rev. C 68, 047601 – Published 14 October 2003

Abstract

The nonresonant direct radiative capture (DRC) cross sections of ${}^{11}B (n, γ)$ and ${}^{12}C (n, γ)$ at stellar energies are deduced by means of the asymptotic normalization coefficient (ANC) method. The ANC factors were extracted from the peripheral transfer reactions of ${}^{11}B (d, p)$ and ${}^{12}C (d, p)$ . The deduced DRC cross sections of ${}^{12}C (n, γ)$ are in good agreement with experimental results of direct measurement. The DRC cross sections of ${}^{11}B (n, γ)$ at low energies are obtained for the first time.