Confinement and the Pion Nucleon Sigma Term
arXiv:hep-ph/9404294 · doi:10.1016/0370-2693(94)90785-4
Abstract
Gribov's theory of confinement offers a simple explanaton of the value of the pion nucleon sigma term. There is no need to invoke a large strange quark component in the nucleon.
4 pages, Cavendish HEP 93/4