Tau-polarization at the z-peak from the acollinearity between both tau-decay products
NAGIOS: RODERIC FUNCIONANDO

Tau-polarization at the z-peak from the acollinearity between both tau-decay products

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Tau-polarization at the z-peak from the acollinearity between both tau-decay products

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dc.contributor.author Alemany, Ricard
dc.contributor.author Rius Dionis, Nuria
dc.contributor.author Bernabeu Alberola, José
dc.contributor.author Gómez Cadenas, Juan José
dc.contributor.author Pich Zardoya, Antonio
dc.date.accessioned 2015-02-25T12:46:32Z
dc.date.available 2015-02-25T12:46:32Z
dc.date.issued 1992
dc.identifier.uri http://hdl.handle.net/10550/42291
dc.description.abstract We discuss the possibility of measuring the tau-polarization distribution at the Z peak by studying the angular correlated distributions between the decay products Of the tau-pairs. We give explicit formulae for the energy-energy correlation and for the acollinearity distribution of the decay products of the tau-pairs, for both the cross section and the forward-backward asymmetry, as a function of the tau-Polarization and the Z-polarization. These distributions provide an independent method of measuring the tau-polarization, with a sensitivity comparable to the one that can be achieved by studying the energy spectrum of the produced pion in the decay-tau --> pi-nu(tau), and possibly better systematic errors. This new technique thus offers the prospect to achieve an increased precision in the determination of the electroweak mixing angle.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics B, 1992, vol. 379, num. 1-2, p. 3-23
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Alemany, Ricard; Rius Dionis, Nuria; Bernabeu Alberola, José; Gómez Cadenas, Juan José; Pich Zardoya, Antonio (1992) Tau-polarization at the z-peak from the acollinearity between both tau-decay products Nuclear Physics B 379 1-2 3 23
dc.subject Física
dc.title Tau-polarization at the z-peak from the acollinearity between both tau-decay products
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-02-25T12:46:32Z
dc.identifier.doi http://dx.doi.org/10.1016/0550-3213(92)90587-2
dc.identifier.idgrec 069055

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