Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-03-08
Nucl.Phys.Proc.Suppl. 98 (2001) 133-140
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 1 figure; to appear in the proceedings of the 6th International Workshop on Tau Lepton Physics, 18-21 September (2000
Scientific paper
10.1016/S0920-5632(01)01213-0
We obtain new bounds for the magnetic dipole moments of the tau lepton. These limits on the magnetic couplings of the tau to the electroweak gauge bosons (gamma, W, Z) are set in a model independent way using the most general effective Lagrangian with the SU(2)_L x U(1)_Y symmetry. Comparison with data from the most precise experiments at high energies shows that the present limits are more stringent than the previous published ones. For the anomalous magnetic moment the bounds are, for the first time, within one order of magnitude of the standard model prediction.
Gonzalez-Sprinberg Gabriel A.
Santamaria Arcadi
Vidal Jorge
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