Spin-orbit-like terms in semileptonic weak Hamiltonian
Kurchatov Institute, 123182 Moscow, Russia
Received: 29 July 1999 Communicated by W. Weise
It is shown that new spin-orbit-like terms appear in the effective nonrelativistic weak Hamiltonian for nucleon provided that nuclear potential is taken into account. Arguments for their considerable enhancement, in particular, in relativistic nuclear model of Walecka are advanced.
23.40.-s beta decay; double beta decay; electron and muon capture - 25.30.Pt Neutrino scattering