Newly developed semi-empirical formulas for (p, alpha) at 17.9 MeV and (p, np) at 22.3 MeV reaction cross-sections

Tel E., AYDIN A., Aydin E. G., KAPLAN A., Yavas O., Reyhancan İ. A.

PRAMANA-JOURNAL OF PHYSICS, vol.74, no.6, pp.931-943, 2010 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 74 Issue: 6
  • Publication Date: 2010
  • Doi Number: 10.1007/s12043-010-0085-9
  • Journal Name: PRAMANA-JOURNAL OF PHYSICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.931-943
  • Keywords: (p, alpha) and (p, np) reaction cross-sections, empirical formulas, optical model, pairing effect, asymmetry term effect, EMPIRICAL FORMULAS, MEV NEUTRONS, STATISTICAL-MODEL, SYSTEMATICS, N,P, ACTIVATION, PARAMETERS, P,N-ALPHA, ENERGIES, TARGETS
  • Gazi University Affiliated: Yes

Abstract

In this study, we have investigated the asymmetry term effect for the (p, alpha) and (p, np) reaction cross-sections and obtained new coefficients for the (p, alpha) and (p, np) reaction cross-sections at 17.9 and 22.3 MeV energies. We have suggested semi-empirical formulas including the non-elastic effects of optical model found by fitting two parameters for proton-induced reactions. The coefficients were determined by least-square fitting method. The obtained cross-section formulas with new coefficients have been discussed and compared with the available experimental data.