TAU-PAIR PRODUCTION VIA PHOTON-PHOTON COLLISIONS AT LEP

Details TAU-PAIR PRODUCTION VIA PHOTON-PHOTON COLLISIONS AT LEP TAU-PAIR PRODUCTION VIA PHOTON-PHOTON COLLISIONS AT LEP

1995-03-29

arxiv.org/abs/hep-ph/9503466v2

Phys.Rev. D53 (1996) 1181-1184

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, latex, 2 figures

Scientific paper

10.1103/PhysRevD.53.1181

We point out that the cross-section for the process $e^+ e^- \to e^+ e^- \tau^+ \tau^-$ at LEP is large enough to allow for a study of the anomalous electromagnetic couplings of the $\tau$ lepton. We show that the present bounds on the magnetic dipole moment can be improved and that competitive bounds can be obtained for the electric dipole moment using the data taken from 1992 to 1994. Finally, we briefly discuss the improvements that can be obtained at LEP II.

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