Abstract
Inclusive nucleon spectra from deuteron breakup reactions on 7Li and 12C up to 100 MeV are analyzed by using the continuum discretized coupled channels theory for elastic breakup process and the Glauber model for nucleon stripping process. The preequilibrium and evaporation components are estimated phenomenologically in terms of the moving source model. The calculation reproduces a prominent bump observed around half the incident energy in experimental inclusive spectra at forward angles quite well. The present analysis clarifies that the stripping process is more dominant than the elastic breakup process in deuteron breakup reactions on 7Li and 12C.
Highlights
Deuteron breakup reactions have attracted considerable attention in the study of projectile breakup of exotic and halo nuclei as well as in applications associated with accelerator driven neutron sources
Neutron production from d + A interactions occurs via the following processes: deuteron elastic breakup and proton stripping processes, sequential neutron emission from highly excited compound and residual nuclei, and so on
We propose the following model approach [13] to analyze the experimental data of d-induced reactions
Summary
Deuteron breakup reactions have attracted considerable attention in the study of projectile breakup of exotic and halo nuclei as well as in applications associated with accelerator driven neutron sources. Understanding of the nuclear interaction of deuterons with materials is highly required for estimating neutron yields and induced radioactivities in the engineering design of such neutron sources and accelerator shielding. Neutron production from d + A interactions occurs via the following processes: deuteron elastic (or diffractive) breakup and proton stripping processes, sequential neutron emission from highly excited compound and residual nuclei, and so on. The purpose of this work is to propose a model calculation method that is capable of describing the inclusive nucleon emission quantitatively with no adjustable parameter, and to analyze recent experimental deuteron breakup reactions on 7Li and 12C for energies up to 100 MeV
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