Study of tau-pair production in photon photon collisions at LEP and limits on the anomalous electromagnetic moments of the tau lepton.

The DELPHI collaboration Abdallah, J. ; Abreu, P. ; Adam, W. ; et al.
Eur.Phys.J.C 35 (2004) 159-170, 2004.
Inspire Record 638199 DOI 10.17182/hepdata.48843

Tau-pair production in the process e+e- -> e+e-tau+tau- was studied using data collected by the DELPHI experiment at LEP2 during the years 1997 - 2000. The corresponding integrated luminosity is 650 pb^{-1}. The values of the cross-section obtained are found to be in agreement with QED predictions. Limits on the anomalous magnetic and electric dipole moments of the tau lepton are deduced.

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