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QCD analysis of the tau hadronic width

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dc.contributor.author	Braaten, Eric
dc.contributor.author	Narison, Stephan
dc.contributor.author	Pich Zardoya, Antonio
dc.date.accessioned	2015-02-25T12:17:25Z
dc.date.available	2015-02-25T12:17:25Z
dc.date.issued	1992
dc.identifier.uri	http://hdl.handle.net/10550/42282
dc.description.abstract	The total tau hadronic width can be accurately calculated using analyticity and the operator product expansion. The theoretical analysis of this observable is updated to include all available perturbative and non-perturbative corrections. Experimental measurements of tau-decay rates are used to determine with high precision the QCD running coupling constant at the scale of the tau-mass. The analysis is also used to study the present discrepancy between the experimental measurements of the leptonic branching fractions of the tau and its total lifetime.
dc.language.iso	eng
dc.relation.ispartof	Nuclear Physics B, 1992, vol. 373, num. 3, p. 581-612
dc.source	Braaten, Eric Narison, Stephan Pich Zardoya, Antonio 1992 QCD analysis of the tau hadronic width Nuclear Physics B 373 3 581 612
dc.subject	Física
dc.title	QCD analysis of the tau hadronic width
dc.type	journal article	es_ES
dc.date.updated	2015-02-25T12:17:25Z
dc.identifier.doi	http://dx.doi.org/10.1016/0550-3213(92)90267-F
dc.identifier.idgrec	081661
dc.rights.accessRights	open access	es_ES