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Tau decays to pions

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dc.contributor.author	Kühn, Johann H.
dc.contributor.author	Santamaria, Arcadi
dc.date.accessioned	2017-06-30T15:03:21Z
dc.date.available	2017-06-30T15:03:21Z
dc.date.issued	1990
dc.identifier.uri	http://hdl.handle.net/10550/59283
dc.description.abstract	Semileptonic τ decays to two and three pions are considered. Based on recent data for the pion form factor a new prediction for Γ(τ→vπ-0)/Γ(τ→veve) of 1.32±0.05 is derived. The chiral model-supplemented by vector dominance-is used to predict rate and differential distributions for the three pion mode in good agreement with present data. The parity violating asymmetry which has been predicted theoretically and observed experimentally is studied and found to be fairly insensitive towards the details of the model for the hadronic decays.
dc.language.iso	eng
dc.relation.ispartof	Zeitschrift für Physik C-Particles and Fields, 1990, vol. 48, num. 3, p. 445-452
dc.source	Kühn, Johann H. Santamaria, Arcadi 1990 Tau decays to pions Zeitschrift für Physik C-Particles and Fields 48 3 445 452
dc.subject	Partícules (Física nuclear)
dc.title	Tau decays to pions
dc.type	journal article	es_ES
dc.date.updated	2017-06-30T15:03:22Z
dc.identifier.doi	https://doi.org/10.1007/BF01572024
dc.identifier.idgrec	119999
dc.rights.accessRights	open access	es_ES