Production rate of proton-induced isotopes in different materials

Details Production rate of proton-induced isotopes in different materials Production rate of proton-induced isotopes in different materials

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000nimpb.160...73p&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section B, Volume 160, Issue 1, p. 73-125.

Physics

3

Scientific paper

High background counting rates are the main limitation on sensitivity of satellite borne gamma-ray instrumentations. The observed background comes from different sources: cosmic diffuse, charged particles and high energetic photons. Among the different background components, that due to the activation of the telescope and satellite passive materials by cosmic protons is the most difficult component to evaluate. In the framework of background studies and sensitivity estimations for the INTEGRAL and MINISAT-01 projects, a wide range of materials has been irradiated with proton beams at different energies to identify the induced unstable isotopes and their production cross-sections. In this paper we present experimental results obtained from the analysis of such irradiation experiments. These values are compared to those obtained by means of the two frequently used prediction methods: GEANT/GCALOR Monte-Carlo code and Silberberg and Tsao semiempirical expressions.

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