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Hadron structure in tau -> KK pi nu(tau) decays

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Hadron structure in tau -> KK pi nu(tau) decays

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dc.contributor.author Gómez Dumm, Daniel
dc.contributor.author Roig Garcés, Pablo
dc.contributor.author Pich Zardoya, Antonio
dc.contributor.author Portolés Ibáñez, Jorge
dc.date.accessioned 2015-02-27T11:45:18Z
dc.date.available 2015-02-27T11:45:18Z
dc.date.issued 2010
dc.identifier.citation Gómez Dumm, Daniel Roig Garcés, Pablo Pich Zardoya, Antonio Portolés Ibáñez, Jorge 2010 Hadron structure in tau -> KK pi nu(tau) decays Physical Review D 81 3 034031
dc.identifier.uri http://hdl.handle.net/10550/42510
dc.description.abstract We analyse the hadronization structure of both vector and axial-vector currents leading to tau -> KKpi nu_tau decays. At leading order in the 1/Nc expansion, and considering only the contribution of the lightest resonances, we work out, within the framework of the resonance chiral Lagrangian, the structure of the local vertices involved in those processes. The couplings in the resonance theory are constrained by imposing the asymptotic behaviour of vector and axial-vector spectral functions ruled by QCD. In this way we predict the hadron spectra and conclude that, contrarily to previous assertions, the vector contribution dominates by far over the axial-vector one in all KKpi charge channels.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2010, vol. 81, num. 3, p. 034031
dc.subject Física
dc.title Hadron structure in tau -> KK pi nu(tau) decays
dc.type journal article es_ES
dc.date.updated 2015-02-27T11:45:19Z
dc.identifier.doi 10.1103/PhysRevD.81.034031
dc.identifier.idgrec 061491
dc.rights.accessRights open access es_ES

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