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http://hdl.handle.net/10261/23197
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dc.contributor.author | Pich, Antonio | - |
dc.contributor.author | Portolés, Jorge | - |
dc.contributor.author | Roig, Pablo | - |
dc.contributor.author | Gómez Dumm, D. | - |
dc.date.accessioned | 2010-04-16T10:13:56Z | - |
dc.date.available | 2010-04-16T10:13:56Z | - |
dc.date.issued | 2010-02-01 | - |
dc.identifier.citation | Physical Review - Section D - Particles and Fields 81 (3): 034031(2010) | en_US |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/10261/23197 | - |
dc.description.abstract | We analyze the hadronization structure of both vector and axial-vector currents leading to tau -> KK pi nu(tau) decays. At leading order in the 1/N-C 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 behavior of vector and axial-vector spectral functions ruled by QCD. In this way we predict the hadron spectra and conclude that, contrary to previous assertions, the vector contribution dominates by far over the axial-vector one in all KK pi charge channels. | en_US |
dc.description.sponsorship | We wish to thank S. Eidelman, H. Hayashii, B. Malaescu, O. Shekhovtsova and Z. Was for their interest in this work and many useful discussions on the topic of this article. P. Roig has been partially supported by a FPU contract (MEC), the DFG cluster of excellence ’Origin and Structure of the Universe’ and a Marie Curie ESR Contract (FLAVIAnet). This work has been supported in part by the EU MRTN-CT-2006-035482 (FLAVIAnet), by MEC (Spain) under grant FPA2007-60323, by the Spanish Consolider-Ingenio 2010 Programme CPAN (CSD2007- 00042) and by Generalitat Valenciana under grant PROMETEO/2008/069. This work has also been supported by CONICET and ANPCyT (Argentina), under grants PIP6009, PIP02495, PICT04-03-25374 and PICT07-03-00818. | en_US |
dc.format.extent | 361735 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | openAccess | en_US |
dc.subject | Hadron tau decays | en_US |
dc.subject | Chiral lagrangians | en_US |
dc.subject | 1/N Expansion | en_US |
dc.subject | QCD | en_US |
dc.title | Hadron structure in tau -> KK pi nu(tau) decays | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1103/PhysRevD.81.034031 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/ 10.1103/PhysRevD.81.034031 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
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Hadron structure.pdf | 353,26 kB | Adobe PDF | Visualizar/Abrir |
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