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dc.contributor.authorGonzález-Alonso, Martín-
dc.contributor.authorPiedra, Antonio-
dc.contributor.authorPrades, Joaquim-
dc.date.accessioned2011-03-03T13:39:29Z-
dc.date.available2011-03-03T13:39:29Z-
dc.date.issued2009-01-
dc.identifier.citationNuclear Physics B Proceedings Supplements 186: 171-174 (2009)es_ES
dc.identifier.issn0920-5632-
dc.identifier.urihttp://hdl.handle.net/10261/33023-
dc.description4 páginas, 1 figura.-- Comunicación presentada a la 14ª High-Energy Physics International Conference On Quantum ChromoDynamics (QCD), celebrada en Julio de 2008 en Montpellier (Francia).-- arXiv:0810.2459v2.es_ES
dc.description.abstractUsing recent precise hadronic tau-decay data on the V-A spectral function and general properties of QCD such as analyticity, the operator product expansion and chiral perturbation theory, we get accurate values for the QCD chiral order parameters L_10 and C_87. At order p^4 we obtain L_10^r(M_rho)=-(5.22+-0.06)10^-3, whereas at order p^6 we get L_10^r(M_rho)=-(4.06+-0.39)10^-3 and C_87^r(M_rho) = (4.89+-0.19)10^-3 GeV^-2.es_ES
dc.description.sponsorshipM. G.-A. is indebted to MICINN (Spain) for a FPU Fellowship. Work partly supported by the EU network FLAVIAnet [MRTN-CT-2006- 035482], by MICINN, Spain [FPA2007-60323, FPA2006-05294 and CSD2007-00042 –CPAN–] and by Junta de Andaluc´ıa [Grants P05-FQM 191, P05-FQM 467 and P07-FQM 03048].es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsopenAccesses_ES
dc.titleChiral low-energy constants L10 and C87 from hadronic τ decayses_ES
dc.typecomunicación de congresoes_ES
dc.identifier.doi10.1016/j.nuclphysbps.2008.12.040-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.nuclphysbps.2008.12.040es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_5794es_ES
item.openairetypecomunicación de congreso-
item.fulltextWith Fulltext-
item.grantfulltextopen-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
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