Peculiarities in Total Cross Sections of Reactions with Weakly Bound Nuclei [sup.6]He, [sup.9]Li

The energy dependence of the total cross sections for the [sup.6]He + Si and [sup.9]Li + Si reactions was measured at beam energies between 5 and 20 MeV per nucleon. The results agree with experimental data published for the [sup.6]He + Si reaction. New data are obtained for the [sup.9]Li + Si react...

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Bibliographic Details
Published in:Physics of atomic nuclei 2017-09, Vol.80 (5), p.928
Main Authors: Penionzhkevich, Yu.E, Sobole), Yu.G, Samarin, V.V, Naumenko, M.A
Format: Article
Language:English
Subjects:
BEAMS
COLLISIONS
ENERGY DEPENDENCE
HELIUM 6
LITHIUM 9
MEV RANGE 01-10
MEV RANGE 10-100
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEONS
SILICON
TOTAL CROSS SECTIONS
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Summary:The energy dependence of the total cross sections for the [sup.6]He + Si and [sup.9]Li + Si reactions was measured at beam energies between 5 and 20 MeV per nucleon. The results agree with experimental data published for the [sup.6]He + Si reaction. New data are obtained for the [sup.9]Li + Si reaction in the vicinity of a local enhancement of the total cross section. A theoretical analysis of the possible reasons behind the appearance of this peculiarity in the case of collisions of [sup.6]He and [sup.9]Li nuclei with silicon target nuclei is performed. In particular, the enhancement may owe its origin to the effect of loosely bound projectile nucleons.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778817050210