Measurement of the ²⁸Si(n,p), ²⁹Si(n,p) and ³⁰Si(n,α) Cross Sections between 6.9 and 14.0 MeV

Abstract

Neutron activation cross sections of ²⁸Si(n, p)²⁸Al, ²⁹Si(n, p)²⁹Al and ³⁰Si(n, α)²⁷Mg were measured in the energy region from 7 to 14 MeV. The measurements were performed with a D(d, n)³He neutron source and were carefully corected for disturbing neutrons from the D(d, np) breakup reaction. The corrections are based on a detailed measurement of the double-differential neutron emission cross sections of the neutron source reaction. The present work is the only experiment which covers the neutron energy range from 7 to 13 MeV of the ²⁹Si(n, p)²⁹Al and ³⁰Si(n, α)²⁷Mg reaction, and that from 9 to 12.5 MeV of the ²⁸Si(n, p)²⁸Al reaction.

Keywords:

• silicon 28
• silicon 29
• silicon 30
• neutron activation cross sections
• energy region 7-14 MeV