alpha(s) Determination from Tau  Decays: Theoretical  Status

Pich, Antonio

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Campo DC	Valor	Lengua/Idioma
dc.contributor.author	Pich, Antonio	-
dc.date.accessioned	2010-05-31T11:12:47Z	-
dc.date.available	2010-05-31T11:12:47Z	-
dc.date.issued	2010-01-03	-
dc.identifier.citation	Acta Physica Polonica - Series B Elementary Particle Physics 3 (1): 165-170 (2010)	en_US
dc.identifier.issn	1899-2358	-
dc.identifier.uri	http://hdl.handle.net/10261/24874	-
dc.description	Topical Workshop on Low Energy Constraints on Extensions of the Standard Model. Kazimierz, POLAND, JUL 23-27, 2009	en_US
dc.description.abstract	The total tau hadronic width can be accurately calculated using analyticity and the operator product expansion. The result turns out to be very sensitive to the value of alpha(s)(m(tau)(2)), providing a precise determination of the strong coupling constant. The theoretical description of this observable is updated, including the recently computed O(alpha(4)(s)) contributions. The experimental determination of as alpha(s)(m(tau)(2)) and its actual uncertainties are discussed.	en_US
dc.description.sponsorship	This work has been supported in part by the EU Contract MRTNCT- 2006-035482 (FLAVIAnet), by MICINN, Spain (grants FPA2007-60323 and Consolider-Ingenio 2010 CSD2007-00042 –CPAN–) and by Generalitat Valenciana (Prometeo/2008/069, ACOMP/2009/312).	en_US
dc.format.extent	119716 bytes	-
dc.format.mimetype	application/pdf	-
dc.language.iso	eng	en_US
dc.publisher	Jagiellonian University	en_US
dc.rights	openAccess	en_US
dc.title	alpha(s) Determination from Tau Decays: Theoretical Status	en_US
dc.type	comunicación de congreso	en_US
dc.type.coar	http://purl.org/coar/resource_type/c_5794	es_ES
item.openairecristype	http://purl.org/coar/resource_type/c_18cf	-
item.fulltext	With Fulltext	-
item.cerifentitytype	Publications	-
item.openairetype	comunicación de congreso	-
item.languageiso639-1	en	-
item.grantfulltext	open	-
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