Strongly Interacting W's and Z's and the Existence of a Heavy Fourth Generation of Fermions

Details Strongly Interacting W's and Z's and the Existence of a Heavy Fourth Generation of Fermions Strongly Interacting W's and Z's and the Existence of a Heavy Fourth Generation of Fermions

1993-04-08

arxiv.org/abs/hep-ph/9304233v1

Phys.Lett. B313 (1993) 165-170

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages including 4 uuencoded, tarred, and compressed postscript figures, CPP-93-09

Scientific paper

10.1016/0370-2693(93)91207-4

By employing the dictum that axiomatic principles are devoid of predictive power, we find that the elastic unitarity constraint, applied to strong W$_L$W$_L$ scattering, does not alter the assumed spectrum of intermediate states. We consider intermediate states involving a heavy Higgs and heavy fermions of a hypothetical fourth generation doublet. In contrast to recent studies, we find no p-wave resonance, and therefore no violation of the S parameter upper bound. We conclude that the elastic unitarity constraint sheds no light on the existence of a heavy fourth generation.

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