Effective nucleon-nucleon cross sections in symmetric and asymmetric nuclear matter

We calculate nucleon-nucleon cross sections in the nuclear medium with unequal densities of protons and neutrons. We use the Dirac-Brueckner-Hartree-Fock approach together with realistic nucleon-nucleon potentials. We examine the effect of asymmetry in neutron and proton concentrations and find that...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 2006-01, Vol.73 (1), Article 014001
Main Authors: Sammarruca, F., Krastev, P.
Format: Article
Language:English
Subjects:
ASYMMETRY
CROSS SECTIONS
HARTREE-FOCK METHOD
NEUTRON DENSITY
NEUTRONS
NUCLEAR FORCES
NUCLEAR MATTER
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEON-NUCLEON POTENTIAL
PROTON DENSITY
PROTONS
SCATTERING
TRANSPORT THEORY
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Summary:We calculate nucleon-nucleon cross sections in the nuclear medium with unequal densities of protons and neutrons. We use the Dirac-Brueckner-Hartree-Fock approach together with realistic nucleon-nucleon potentials. We examine the effect of asymmetry in neutron and proton concentrations and find that it can be significant for scattering of identical nucleons. Numerical results are included for potential applications in transport equations.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.73.014001