The formation of continuum neutron distribution in 7Li(p,n) has been identified as due to the coupling of the 7Be breakup levels to the final state of the reaction. The continuum neutron spectra produced by 7Li(p,n) reaction has been estimated by measuring the double differential cross sections for continuum and resonant breakup of 7Be, through 7Li(p,n)7Be∗ reaction at 21 MeV of proton energy. The breakup contributions from continuum and 5/2−, 7/2− states of 7Be have been identified. The measured double differential cross sections have been reproduced through CDCC-CRC calculations. The cross sections were projected to neutron spectrum using Monte-Carlo approach and validated using experimentally measured 3He gated neutron spectra. 7Li(p,n) neutron spectrum at 20 MeV incident proton energy measured by McNaughton. et al. has been reproduced by adapting estimated model parameters for the reaction.
@article{arxiv.2108.01382,
title = {Impact of $^7$Be breakup on $^7$Li(p,n) Neutron Spectrum},
author = {Midhun C. and M. M Musthafa and S. V Suryanarayana and T. Santhosh and A. Baishya and P. Patil and A Pal and P. C Rout and S Santra and R. Kujur and Antony Joseph and Shaima A and Hajara. K and P. T. M Shan and Satheesh B and Y. Sawant and B. V. John and E. T Mirgule and K. C Jagadeesan and S. Ganesan},
journal= {arXiv preprint arXiv:2108.01382},
year = {2021}
}