Semi-empirical systematics of (n, He-3) cross sections for 14.6 MeV neutrons

L Yettou; M Belgaid

doi:10.1016/j.apradiso.2014.07.007

Semi-empirical systematics of (n, He-3) cross sections for 14.6 MeV neutrons

Appl Radiat Isot. 2014 Dec:94:49-53. doi: 10.1016/j.apradiso.2014.07.007. Epub 2014 Jul 23.

Authors

L Yettou¹, M Belgaid²

Affiliations

¹ Faculty of Physics, USTHB BP 32 El Alia, 16111 Bab-Ezzouar, Algiers, Algeria. Electronic address: yettouleila@yahoo.fr.
² Faculty of Physics, USTHB BP 32 El Alia, 16111 Bab-Ezzouar, Algiers, Algeria.

PMID: 25103248
DOI: 10.1016/j.apradiso.2014.07.007

Abstract

A new semi-empirical formula for the calculation of the (n, He-3) cross section at 14.6MeV neutron energy is obtained. It is based on the evaporation model. The new formula with three parameters is found to give a better fit to the data than the previous comparable formulae.

Keywords: (n, He-3) reactions cross sections; A=31–181; E(n)=14.6MeV neutron; Evaporation model; Pre-equilibrium exciton model; Systematics (n, He-3).