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Bernabeu Alberola, José; González Sprinberg, Gabriel A.; Tung, M.; Vidal Perona, Jorge | |||
Aquest document és un/a article, creat/da en: 1995 | |||
Este documento está disponible también en : 10.1016/0550-3213(94)00525-J |
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We calculate the prediction for the anomalous weak-magnetic form factor of the tau lepton at q2=M2Z within the Standard Model. With all particles on-shell, this is a electroweak gauge invariant quantity. Its value is awτ(M2Z)=−(2.10+0.61i)×10−6. We show that the transverse and normal components of the single-tau polarization of tau pairs produced at e+e− unpolarized collisions are sensitive to the real and absorptive parts of the anomalous weak-magnetic dipole moment of the tau. The sensitivity one can achieve at LEP in the measurement of this dipole moment is discussed. | |||
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