Heavy Fermion Screening Effects and Gauge Invariance

Details Heavy Fermion Screening Effects and Gauge Invariance Heavy Fermion Screening Effects and Gauge Invariance

1995-11-30

arxiv.org/abs/hep-ph/9511463v2

Phys.Rev. D54 (1996) 3503-3505

Physics

High Energy Physics

High Energy Physics - Phenomenology

a miss-print fixed, 7 pages, LaTex, no figures

Scientific paper

10.1103/PhysRevD.54.3503

We show that the naively expected large virtual heavy fermion effects in low
energy processes may be screened if the process under consideration contains
external gauge bosons constrained by gauge invariance. We illustrate this by a
typical example of the process $\gamma\gamma\to b \bar{b}$. Phenomenological
implications are also briefly indicated.

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