Extended Electroweak Interactions and the Muon g-2

Details Extended Electroweak Interactions and the Muon g-2 Extended Electroweak Interactions and the Muon g-2

2001-08-08

arxiv.org/abs/hep-ph/0108080v3

Phys.Rev. D65 (2002) 053006

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages including title page; v.2 References added; v.3 additional references, PRD referee comments addressed, minor sign err

Scientific paper

10.1103/PhysRevD.65.053006

We look at a number of simple, but representative, models of extended electroweak gauge structures, and present the general contributions to a_muon from the heavy Z' and W' electroweak gauge bosons. Of the models we have examined, none can explain the observed discrepancy between the current experimental value of a_muon and the Standard Model prediction if we require that the gauge fields explain the discrepancy by themselves. In the context of models with new matter fields as well as the additional gauge fields discussed here, however, the gauge field contributions to a_muon can be a substantial and important part of the discrepancy.

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