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Constraining new interactions with leptonic τ decays

AuthorsPich, Antonio ; Silva, Joao P.
Issue DateOct-1995
PublisherAmerican Physical Society
CitationPhysical review D 52(7): 4006-4018 (1995)
AbstractThe recent measurements of the Michel parameters in τ decays enable, for the first time, a thorough analysis of the leptonic sector. In general, in models beyond the standard model, these parameters will be altered through changes in the W and Z couplings, and/or through interactions mediated by new gauge bosons. We perform a complete, model-independent analysis of the constraints imposed by the present data on such boson-mediated interactions, and point out the existence of useful relations among the couplings.
Description13 páginas, 10 tablas.-- PACS number(s): 13.35.Dx, 12.60.Cn, 12.60.Fr
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.52.4006
Appears in Collections:(IFIC) Artículos
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