Tau weak dipole moments from azumthal asymmetries
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Tau weak dipole moments from azumthal asymmetries

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Tau weak dipole moments from azumthal asymmetries

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dc.contributor.author Vidal Perona, Jorge
dc.contributor.author Bernabeu Alberola, José
dc.contributor.author González Sprinberg, Gabriel A.
dc.date.accessioned 2014-01-20T11:43:38Z
dc.date.available 2014-01-20T11:43:38Z
dc.date.issued 1999
dc.identifier.uri http://dx.doi.org/10.1016/S0920-5632(99)00471-5
dc.identifier.uri http://hdl.handle.net/10550/32412
dc.description.abstract We show that transverse and normal single-tau polarization of tau pairs produced at e(+) e(-) unpolarized collisions, at the Z peak, are sensitive to weak (magnetic and electric) dipole moments of the tau. We also show how these components of the tau polarization are accessible by measuring appropriate azimuthal asymmetries in the angular distribution of its decay products. Sensitivities of the order of 10(-18) e . cm, for the weak-electric dipole moment, and 10(-4) (10(-3)), for the real (imaginary) part of the weak-magnetic dipole moment of tau, may be achieved. Compatible bounds are also presented from spin-spin correlated asymmetries.
dc.relation.ispartof Nuclear Physics B-Proceedings Supplements, 1999, vol. 76, num. 1-3, p. 221-228
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Vidal Perona, Jorge; Bernabeu Alberola, José; Gonzalez-Sprinberg, G. (1999) Tau weak dipole moments from azumthal asymmetries Nuclear Physics B-Proceedings Supplements 76 1-3 221 228
dc.subject Partícules (Física nuclear)
dc.title Tau weak dipole moments from azumthal asymmetries
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-01-20T11:43:39Z
dc.identifier.doi http://dx.doi.org/10.1016/S0920-5632(99)00471-5
dc.identifier.idgrec 069024

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