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Article Dans Une Revue Physical Review C Année : 2020

Nucleon inelastic scattering cross sections on $^{16}$O and $^{28}$Si

G. Henning
M. Kerveno

Résumé

The main purpose was to measure the neutron-and proton-induced inelastic γ-production cross sections, for all observed transitions in 16 O and 28 Si, followed by the calculation of the corresponding total inelastic cross section. The results are compared with theoretical calculations performed using the talys 1.9 code, evaluated nuclear data and with previously reported experimental data. The broader goal of this work is to study if and to which extent the neutron-induced inelastic cross sections of these nuclei can be inferred from those obtained using suitable charged particle reactions. We show that, by making use of the formal similarities between the neutron-and the proton-target optical model potentials and isospin symmetry in mirror nuclei, one can develop a procedure that combines experimental proton-induced inelastic cross sections with theoretical calculations to infer neutron inelastic cross sections. For 16 O and 28 Si, the precision associated with this procedure is around 10-20% for most of the incident energy range.

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Dates et versions

hal-02473891 , version 1 (02-11-2020)

Identifiants

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M. Boromiza, C. Borcea, P. Dessagne, D. Ghita, T. Glodariu, et al.. Nucleon inelastic scattering cross sections on $^{16}$O and $^{28}$Si. Physical Review C, 2020, 101 (2), pp.024604. ⟨10.1103/PhysRevC.101.024604⟩. ⟨hal-02473891⟩
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