On the phenomenology of a Z' coupling only to third-family fermions

Details On the phenomenology of a Z' coupling only to third-family fermions On the phenomenology of a Z' coupling only to third-family fermions

1998-04-24

arxiv.org/abs/hep-ph/9804389v1

Phys.Rev. D58 (1998) 075001

Physics

High Energy Physics

High Energy Physics - Phenomenology

36 pages, LaTeX, including 12 figures

Scientific paper

10.1103/PhysRevD.58.075001

The phenomenology of an additional U(1) neutral gauge boson Z' coupled to the third family of fermions is discussed. One might expect such a particle to contribute to processes where taus, b and t quarks are produced. Precision data from LEP1 put severe constraints on the mixing and heavy-boson mass. We find that the effects of such a particle could not be observed at hadronic colliders, be it at the Tevatron or the LHC, because of the QCD background. At LEP2 and future e^+e^- linear colliders, one could instead hope to observe such effects, in particular for b\bar b final states.

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