Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1993-08-27
Phys.Rev.C48:1062-1068,1993; Erratum-ibid.C49:570,1994; Phys.Rev.C49:570,1994
Physics
Nuclear Physics
Nuclear Theory
16 pages RevTex and 6 figures (paper, available upon request from gqli@tamcomp.bitnet) UI-NTH-9310
Scientific paper
10.1103/PhysRevC.48.1062 10.1103
We present a fully self-consistent and relativistic calculation of the nucleon mean free path in nuclear matter and finite nuclei. Starting from the Bonn potential, the Dirac-Brueckner-Hartree-Fock results for nuclear matter are parametrized in terms of an effective $\sigma$-$\omega$ Lagrangian suitable for the relativistic density-dependent Hartree-Fock (RDHF) approximation. The nucleon mean free path in nuclear matter is derived from this effective Lagrangian taking diagrams up to fourth-order into account. For the nucleon mean free path in finite nuclei, we make use of the density determined by the RDHF calculation in the local density approximation. Our microscopic results are in good agreement with the empirical data and predictions by Dirac phenomenology.
Li Gu-Qiang
Machleidt Ruprecht
Zhuo Yi-Zhong
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