Fermion Number Conservation Isn't Fermion Conservation

Details Fermion Number Conservation Isn't Fermion Conservation Fermion Number Conservation Isn't Fermion Conservation

1993-12-02

arxiv.org/abs/hep-lat/9312014v1

Nucl.Phys.Proc.Suppl. 34 (1994) 628-630

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages to appear in the proceedings of Lattice '93, Dallas, Texas, 12-16 October 1993, comes as a single uuencoded postscript

Scientific paper

10.1016/0920-5632(94)90466-9

A nonperturbative regularization of the Standard Model may have a superficially undesirable exact global U(1) symmetry corresponding to exact fermion number conservation. We argue that such a formulation can still have the desired physics of fermion nonconservation, i.e. fermion particle creation and annihilation by sphaleron transitions. We illustrate our reasoning in massless axial QED in 1+1 dimensions.

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