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Normal and transverse single tau-polarization at the z-peak

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Normal and transverse single tau-polarization at the z-peak

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dc.contributor.author Bernabeu Alberola, José
dc.contributor.author González Sprinberg, Gabriel A.
dc.contributor.author Vidal Perona, Jorge
dc.date.accessioned 2016-05-03T10:36:59Z
dc.date.available 2016-05-03T10:36:59Z
dc.date.issued 1994
dc.identifier.citation Bernabeu Alberola, José; González Sprinberg, Gabriel A.; Vidal Perona, Jorge (1994) Normal and transverse single tau-polarization at the z-peak Physics Letters B 326 1-2 168 174
dc.identifier.uri http://hdl.handle.net/10550/53251
dc.description.abstract We study normal (to the collision plane) and transverse (within the collision plane) single-τ polarization in τ pairs produced in e+e− unpolarized collisions at the Z-resonance. The transverse polarization component is sensitive to the anomalous weak-magnetic moment, whereas the normal polarization component is sensitive to a CP-violating weak-electric dipole moment. We show how these components of the single τ polarization are accessible from the angular distribution of its decay products. We define a CP violating asymmetry of the τ decay products which, with 107Z′s produced, provides a sensitivity of 2.3 × 10−18e·cm for the weak-electric dipole moment.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 1994, vol. 326, num. 1-2, p. 168-174
dc.subject Física
dc.title Normal and transverse single tau-polarization at the z-peak
dc.type journal article es_ES
dc.date.updated 2016-05-03T10:36:59Z
dc.identifier.doi 10.1016/0370-2693(94)91209-2
dc.identifier.idgrec 069050
dc.rights.accessRights open access es_ES

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