Solutions to the $R_{b}$ , $R_{c}$ , and $α_{s}$ puzzles by vector fermions

1 December 1996

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 54 (11) , 7051-7056
https://doi.org/10.1103/physrevd.54.7051

Abstract

We propose two minimal extensions of Standard Model, both of which can easily accommodate the recent puzzling observations about the excess in Rb, the deficit in Rc and the discrepancy in the low energy and high energy determinations ofs. Each model requires three additional heavy vectorial fermions in order to resolve the puzzles. The current phenomenological constraints and the new potential phenomena are also discussed.

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Version 1, 1996-01-24, ArXiv

This publication has 11 references indexed in Scilit:

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Solutions to theRb,Rc, andαspuzzles by vector fermions

Abstract

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Solutions to the $R_{b}$ , $R_{c}$ , and $α_{s}$ puzzles by vector fermions