A precise measurement of the B-0 meson oscillation frequency

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Garrido Beltrán, Lluís
dc.contributor.author	Gascón Fora, David
dc.contributor.author	Graciani Díaz, Ricardo
dc.contributor.author	Graugés Pous, Eugeni
dc.contributor.author	Marín Benito, Carla
dc.contributor.author	Picatoste Olloqui, Eduardo
dc.contributor.author	Rives Molina, Vicente José
dc.contributor.author	LHCb Collaboration
dc.date	2018-01-24T14:06:22Z
dc.date	2018-01-24T14:06:22Z
dc.date	2016-07-21
dc.date	2018-01-24T14:06:22Z
dc.identifier.citation	1434-6044
dc.identifier.citation	669218
dc.identifier.uri	http://hdl.handle.net/2445/119268
dc.format	14 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Società Italiana di Fisica & Springer Verlag
dc.relation	Reproducció del document publicat a: https://doi.org/10.1140/epjc/s10052-016-4250-2
dc.relation	European Physical Journal C, 2016, vol. 76, num. 412
dc.relation	https://doi.org/10.1140/epjc/s10052-016-4250-2
dc.rights	cc-by (c) LHCb collaboration et al., 2016
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/3.0/es
dc.subject	Mesons (Física nuclear)
dc.subject	Oscil·lacions
dc.subject	Mesons (Nuclear physics)
dc.subject	Oscillations
dc.title	A precise measurement of the B-0 meson oscillation frequency
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The oscillation frequency, Delta m(d), of B-0 mesons is measured using semileptonic decays with a D- or D*(-) meson in the final state. The data sample corresponds to 3.0 fb(-1) of pp collisions, collected by the LHCb experiment at centre-of-mass energies root s = 7 and 8 TeV. A combination of the two decay modes gives Delta m(d) = (505.0 +/- 2.1 +/- 1.0) ns(-1), where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is consistent with the current world average and has similar precision.

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