Cosmic implications of the 12C(n, γ)13C reaction: a nuclear astrophysical perspective  

作　　者：Soumya Saha 

机构地区：[1]Department of Physics,Bidhan Chandra College,Rishra,31,G.T.Road(East),Hooghly-712248,India [2]Department of Physics,University of Calcutta,92,Acharya Prafulla Chandra Road,Kolkata-700009,India

出　　处：《Chinese Physics C》2024年第2期171-174,共4页中国物理C（英文版）

摘　　要：We conducted a comprehensive study of the neutron capture cross section of 12C within the relevant astrophysical energy range.Through rigorous R-matrix analysis,we determined the Maxwellian-averaged cross section to be 11.98±0.25μb at kT=30 keV.This result is approximately four times higher than the thermal neutron capture cross section estimated in earlier studies assuming the 1/v law.The implications of our findings extend to the region of inhomogeneous Big-Bang models in nuclear astrophysics,where understanding the behaviour of neutron capture cross sections plays a crucial role in elucidating the intricate processes that shaped the early universe.

关 键 词：reaction cross section R-MATRIX reaction rates spectroscopic factors 

分 类 号：O571[理学—粒子物理与原子核物理]