Effects of spin-orbit interaction on nuclear response and neutrino mean free path

J. Margueron (1) , J. Navarro (2) , N. van Giai (1)

1 IPNO - Institut de Physique Nucléaire d'Orsay
2 IFIC - Instituto de Fisica Corpuscular

The effects of the spin-orbit component of the particle-hole interaction on nuclear response functions and neutrino mean free path are examined. A complete treatment of the full Skyrme interaction in the case of symmetric nuclear matter and pure neutron matter is given. Numerical results for neutron matter are discussed. It is shown that the effects of the spin-orbit interaction remain small, even at momentum transfer larger than the Fermi momentum. The neutrino mean free paths are marginally affected.

Mots clés: effective Skyrme interactions; spin-orbit interaction; nuclear matter; response functions; random phase approximation

Domaines: Cosmologie et astrophysique extra-galactique [astro-ph.CO]; Physique Nucléaire Théorique [nucl-th]; Astrophysique [astro-ph]

J. Margueron, J. Navarro, N. van Giai. Effects of spin-orbit interaction on nuclear response and neutrino mean free path. Physical Review C, 2006, 74, pp.015805. ⟨10.1103/PhysRevC.74.015805⟩. ⟨in2p3-00025913⟩