QCD condensates of dimension D=6 and D=8 from hadronic tau-decays

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dc.creatorAlmasy, A. A.
dc.creatorSchilcher, K.
dc.creatorSpiesberger, H.
dc.date2006-12-22
dc.date.accessioned2026-07-07T11:02:27Z
dc.date.available2026-07-07T11:02:27Z
dc.descriptionThe high-precision data from hadronic tau decays allows one to extract information on QCD condensates. Using the finalized ALEPH data, we obtain a more rigorous determination of the dimension 6 and 8 condensates for the V-A correlator. In particular, we find that the recent data fix a certain linear combination of these QCD condensates to a precision at the level of O(2%). Our approach relies on more general assumptions than alternative approaches based on finite energy sum rules.
dc.description11 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0612304
dc.identifierhttp://arxiv.org/abs/hep-ph/0612304
dc.identifierPhys.Lett.B650:179-184,2007
dc.identifierdoi:10.1016/j.physletb.2007.05.009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188257
dc.subjectHigh Energy Physics - Phenomenology
dc.titleQCD condensates of dimension D=6 and D=8 from hadronic tau-decays
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