Tau-spin correlations at the z-peak: aplanarities of the decay products
NAGIOS: RODERIC FUNCIONANDO

Tau-spin correlations at the z-peak: aplanarities of the decay products

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Tau-spin correlations at the z-peak: aplanarities of the decay products

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dc.contributor.author Bernabeu Alberola, José
dc.contributor.author Rius Dionis, Nuria
dc.contributor.author Pich Zardoya, Antonio
dc.date.accessioned 2015-02-25T11:28:34Z
dc.date.available 2015-02-25T11:28:34Z
dc.date.issued 1991
dc.identifier.uri http://hdl.handle.net/10550/42273
dc.description.abstract The production of tau-pairs at the Z peak leads to interesting dynamical information contained in their spin density matrix. Besides the longitudinal polarization of each tau-lepton, there are two independent spin-spin correlations associated with the transverse (within the production plane) and normal (to the production plane) polarization components. The transverse-normal spin correlation is both a parity-odd and time reversal-odd observable. We analyze the correlated angular distribution of the decay products as polarization analyzers of the tau+tau- system. We find two azimuthal asymmetries of the decay products and the incoming beam, which are able to disentangle these spin correlation observables without reconstructing the tau-direction.
dc.language.iso eng
dc.relation.ispartof Physics Letters B, 1991, vol. 257, num. 1-2, p. 219-226
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Bernabeu Alberola, José; Rius Dionis, Nuria; Pich Zardoya, Antonio (1991) Tau-spin correlations at the z-peak: aplanarities of the decay products Physics Letters B 257 1-2 219 226
dc.subject Física
dc.title Tau-spin correlations at the z-peak: aplanarities of the decay products
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-02-25T11:28:34Z
dc.identifier.doi http://dx.doi.org/10.1016/0370-2693(91)90885-T
dc.identifier.idgrec 069061

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