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CP violation and electric-dipole-moment at low energy tau-pair production

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CP violation and electric-dipole-moment at low energy tau-pair production

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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 2014-01-16T12:52:48Z
dc.date.available 2014-01-16T12:52:48Z
dc.date.issued 2004
dc.identifier.citation Bernabeu Alberola, José; González Sprinberg, Gabriel; Vidal Perona, Jorge (2004) CP violation and electric-dipole-moment at low energy tau-pair production Nuclear Physics B 701 1-2 87 102
dc.identifier.uri http://hdl.handle.net/10550/32346
dc.description.abstract CP violation at low energy is investigated at the tau electromagnetic vertex. High statistics at B-factories, and on top of the gamma resonances, allows a detailed investigation of CP-odd observables related to the tau-pair production. The contribution of the tau electric dipole moment is considered in detail. We perform an analysis independent from the high energy data by means of correlation and linear spin observables at low energy. We show that different CP-odd asymmetries, associated to the normal-transverse and normal-longitudinal correlation terms can be measured at low energy accelerators, both at resonant and non-resonant energies. These observables allow to put stringent and independent bounds to the tau electric dipole moment that are competitive with other high or low energy results.
dc.relation.ispartof Nuclear Physics B, 2004, vol. 701, num. 1-2, p. 87-102
dc.subject Violació CP (Física nuclear)
dc.subject Física nuclear
dc.title CP violation and electric-dipole-moment at low energy tau-pair production
dc.type journal article es_ES
dc.date.updated 2014-01-16T12:52:48Z
dc.identifier.doi 10.1016/j.nuclphysb.2004.08.038
dc.identifier.idgrec 013974
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1016/j.nuclphysb.2004.08.038

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