Derivative coupling model description of nuclear matter in the Dirac-Hartree-Fock approximation - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physical Review C Year : 2000

Derivative coupling model description of nuclear matter in the Dirac-Hartree-Fock approximation

P. Bernardos
  • Function : Author
M. Lopez-Quelle
  • Function : Author
S. Marcos
  • Function : Author
R. Niembro
  • Function : Author

Abstract

Properties of nuclear matter are calculated in the Dirac-Hartree-Fock approximation within the Zimanyi and Moszkowski model, which considers a derivative coupling in the scalar field. The present model improves the previous sigma-omega version,by the inclusion of the charged mesons pi and rho. The pi N interaction is a mixing of pseudoscalar and pseudovector couplings. The introduction of the pi degrees of freedom has a strong influence on the nucleon effective mass, while keeping the compression modulus in a range of values in agreement with experiments. Effects on the spin-orbit splitting are also discussed.
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Dates and versions

in2p3-00006004 , version 1 (06-09-2000)

Identifiers

  • HAL Id : in2p3-00006004 , version 1

Cite

P. Bernardos, R.J. Lombard, M. Lopez-Quelle, S. Marcos, R. Niembro. Derivative coupling model description of nuclear matter in the Dirac-Hartree-Fock approximation. Physical Review C, 2000, 62, pp.024314-1-024314-9. ⟨in2p3-00006004⟩
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