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Angular analysis of charged and neutral B -> K mu(+) mu(-) decays

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Angular analysis of charged and neutral B -> K mu(+) mu(-) 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	2016-04-19T12:06:09Z
dc.date.available	2016-04-19T12:06:09Z
dc.date.issued	2014
dc.identifier.citation	LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo Sánchez Mayordomo, Carlos 2014 Angular analysis of charged and neutral B -> K mu(+) mu(-) decays Journal Of High Energy Physics 05 5 082-1 082-25
dc.identifier.uri	http://hdl.handle.net/10550/52818
dc.description.abstract	The angular distributions of the rare decays B+ -> K+mu(+)mu(-) and B-0 -> K-S(0)mu(+)mu(-) are studied with data corresponding to 3 fb(-1) of integrated luminosity, collected in proton-proton collisions at 7 and 8 TeV centre-of-mass energies with the LHCb detector. The angular distribution is described by two parameters, F-H and the forward-backward asymmetry of the dimuon system A(FB), which are determined in bins of the dimuon mass squared. The parameter F-H is a measure of the contribution from (pseudo)scalar and tensor amplitudes to the decay width. The measurements of A(FB) and F-H reported here are the most precise to date and are compatible with predictions from the Standard Model.
dc.language.iso	eng
dc.relation.ispartof	Journal Of High Energy Physics, 2014, vol. 05, num. 5, p. 082-1-082-25
dc.subject	Física nuclear
dc.title	Angular analysis of charged and neutral B -> K mu(+) mu(-) decays
dc.type	journal article	es_ES
dc.date.updated	2016-04-19T12:06:10Z
dc.identifier.doi	10.1007/JHEP05(2014)082
dc.identifier.idgrec	099507
dc.rights.accessRights	open access	es_ES