Z→bb decay asymmetry and left-right models

Xiao Gang He, G. Valencia

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53 Citations (Scopus)


It has been pointed out recently by Chanowitz that the Z→bb decay asymmetry poses a problem for the standard model whether or not it is genuine. If this conflict is interpreted as, new physics in the b-quark couplings, it suggests a rather large right handed coupling of the b-quark to the Z boson. We show that it is possible to accommodate this result in left-right models that single out the third generation.

Original languageEnglish
Article number013004
Pages (from-to)130041-130047
Number of pages7
JournalPhysical Review D
Issue number1 II
Publication statusPublished - 1 Jul 2002
Externally publishedYes

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