A Microscopic Optical Potential Approach to (6,8)He+p Elastic Scattering

A microscopic approach to calculate the optical potential (OP) with the real part obtained by a folding procedure and with the imaginary part inherent in the high-energy approximation (HEA) is applied to study the (6,8)He+p elastic scattering data at energies of tens of MeV/N. The OP's and the...

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Bibliographic Details
Published in:AIP conference proceedings 2009-08, Vol.1165 (1), p.347-348
Main Authors: Lukyanov, V K, Zemlyanaya, E V, Lukyanov, K V, Kadrev, D N, Antonov, A N, Gaidarov, M K, Massen, S E
Format: Article
Language:English
Subjects:
APPROXIMATIONS
COMPARATIVE EVALUATIONS
DENSITY FUNCTIONAL METHOD
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
G MATRIX
HELIUM 6 REACTIONS
HELIUM 8
HELIUM 8 REACTIONS
HYDROGEN 1 TARGET
MEV RANGE
NEUTRON DENSITY
NEUTRONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR POTENTIAL
PROTON DENSITY
PROTONS
RENORMALIZATION
SPIN
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Summary:A microscopic approach to calculate the optical potential (OP) with the real part obtained by a folding procedure and with the imaginary part inherent in the high-energy approximation (HEA) is applied to study the (6,8)He+p elastic scattering data at energies of tens of MeV/N. The OP's and the cross sections are calculated using different models for the neutron and proton densities of (6,8)He. The role of the spin-orbit (SO) potential and effects of the energy and density dependence of the effective NN forces are studied. Comparison of the calculations with the available experimental data on the elastic scattering differential cross sections at beam energies < 100 MeV/N is performed and conclusions on the role of the aforesaid effects are made. It is shown that the present approach, which uses only parameters that renormalize the depths of the OP, can be applied along with other methods like that from the microscopic g-matrix description of the complex proton optical potential.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3232112