期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nimb.2014.04.007
关键词
Monte Carlo calculation; PHITS; INCL; DWBA; Neutron spectrum
A new approach to describing neutron spectra of deuteron-induced reactions in the Monte Carlo simulation for particle transport has been developed by combining the Intra-Nuclear Cascade of Liege (INCL) and the Distorted Wave Born Approximation (DWBA) calculation. We incorporated this combined method into the Particle and Heavy Ion Transport code System (PHITS) and applied it to estimate (d,xn) spectra on Li-nat, Be-9, and C-nat targets at incident energies ranging from 10 to 40 MeV. Double differential cross sections obtained by INCL and DWBA successfully reproduced broad peaks and discrete peaks, respectively, at the same energies as those observed in experimental data. Furthermore, an excellent agreement was observed between experimental data and PHITS-derived results using the combined method in thick target neutron yields over a wide range of neutron emission angles in the reactions. We also applied the new method to estimate (d, xp) spectra in the reactions, and discussed the validity for the proton emission spectra. (C) 2014 Elsevier B.V. All rights reserved.
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