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Measurement of the (B)over-bar(s)(0) Meson Lifetime in D-s(+)pi(-) Decays

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Measurement of the (B)over-bar(s)(0) Meson Lifetime in D-s(+)pi(-) Decays

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dc.contributor.author	LHCb Collaboration
dc.contributor.author	Martínez Vidal, Fernando
dc.contributor.author	Oyanguren Campos, Arantza
dc.contributor.author	Ruiz Valls, Pablo
dc.contributor.author	Sánchez Mayordomo, Carlos
dc.date.accessioned	2016-04-19T12:17:22Z
dc.date.available	2016-04-19T12:17:22Z
dc.date.issued	2014
dc.identifier.citation	LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo Sánchez Mayordomo, Carlos 2014 Measurement of the (B)over-bar(s)(0) Meson Lifetime in D-s(+)pi(-) Decays Physical Review Letters 113 17 172001-1 172001-9
dc.identifier.uri	http://hdl.handle.net/10550/52825
dc.description.abstract	We present a measurement of the ratio of the (B) over bar (0)(s) meson lifetime, in the flavor-specific decay to D-s(+)pi(-), to that of the (B) over bar (0) meson. The pp collision data used correspond to an integrated luminosity of 1 fb(-1), collected with the LHCb detector, at a center-of-mass energy of 7 TeV. Combining our measured value of 1.010 +/- 0.010 +/- 0.008 for this ratio with the known (B) over bar (0) lifetime, we determine the flavor-specific (B) over bar (0)(s) lifetime to be tau((B) over bar (0)(s) ) = 1.535 +/- 0.015 +/- 0.014 ps, where the uncertainties are statistical and systematic, respectively. This is the most precise measurement to date, and is consistent with previous measurements and theoretical predictions.
dc.language.iso	eng
dc.relation.ispartof	Physical Review Letters, 2014, vol. 113, num. 17, p. 172001-1-172001-9
dc.subject	Física nuclear
dc.title	Measurement of the (B)over-bar(s)(0) Meson Lifetime in D-s(+)pi(-) Decays
dc.type	journal article	es_ES
dc.date.updated	2016-04-19T12:17:22Z
dc.identifier.doi	10.1103/PhysRevLett.113.172001
dc.identifier.idgrec	101833
dc.rights.accessRights	open access	es_ES