Abstract
We discuss current attempts to employ the modified potential cluster model to describe the available experimental data on the 13B(n, γ 0+1)14B total cross-sections. The estimated results of the M1 and E1 transitions from the n 13B scattering states to the ground and first excited states of 14B are presented. The 1st resonance at E x = 1. 275 MeV (1+) is revealed in both the cross-section and reaction rate. Within the variation in the asymptotic constant, a thermal cross-section interval of 5.1 – 8.9 mb is proposed. Based on the theoretical total cross-sections at energies of 0.01 eV to 5 MeV, we calculate the reaction rate in the temperature range of 0.01 to 10T 9. The ignition T 9 values of the 13B(n, γ 0+1)14B reaction depending on a neutron number density of ~ 1022 cm−3 are determined. The radiative neutron capture reaction rates on the boron 10-13B and carbon 12-14С isotopes are compared.
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