Gauge Invariant YFS Exponentiation of (Un)stable $Z$-Pair Production At and Beyond LEP2 Energies

Details Gauge Invariant YFS Exponentiation of (Un)stable $Z$-Pair Production At and Beyond LEP2 Energies Gauge Invariant YFS Exponentiation of (Un)stable $Z$-Pair Production At and Beyond LEP2 Energies

1997-05-26

arxiv.org/abs/hep-ph/9705430v2

Phys.Rev. D56 (1997) 6939-6941

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures, 1 Latex file which includes the figures

Scientific paper

10.1103/PhysRevD.56.6939

We present the theoretical basis and sample Monte Carlo data for the YFS exponentiated calculation of $e^+e^- \to Z Z \to f_1\bar f_1 + \bar f_2 f_2$ at and beyond LEP2 energies, where the left-handed part of $f_i$ is a component of an $SU_{2L}$ doublet, $i=1,2$. The calculation is performed for both SM couplings and for anomalous $ZZV$ triple gauge boson couplings in the conventions of Hagiwara et al.. Our formulas, which are gauge invariant, are illustrated in a proto-typical YFS Monte Carlo event generator YFSZZ.

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