First Observation of the Decay B+c→J/ψπ+π−π+

doi:https://doi.org/10.1103/PhysRevLett.108.251802

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RECERCAT Home > Universitat Ramon Llull > La Salle > Articles publicats a revistes científiques > View document

Use this identifier to quote or link this document: http://hdl.handle.net/2072/376146

dc.contributor	Universitat Ramon Llull. La Salle
dc.contributor	CERN
dc.contributor.author	Calvo Gómez, Míriam
dc.contributor.author	Camboni, Alessandro
dc.contributor.author	Vilasís Cardona, Xavier
dc.contributor.author	LHCb Collaboration - CERN
dc.date.accessioned	2020-06-19T17:26:24Z
dc.date.available	2020-06-19T17:26:24Z
dc.date.created	2012
dc.date.issued	2012-06-19
dc.identifier.uri	http://hdl.handle.net/2072/376146
dc.format.extent	7 p.
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation.ispartof	Physical Review Letters, 2012, Vol. 108, No. 25 (Juny)
dc.rights	L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons:http://creativecommons.org/licenses/by/4.0/
dc.rights	© CERN
dc.source	RECERCAT (Dipòsit de la Recerca de Catalunya)
dc.subject.other	Gran col·lisionador d'hadrons (França i Suïssa)
dc.subject.other	Partícules (Física nuclear)
dc.title	First Observation of the Decay B+c→J/ψπ+π−π+
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.subject.udc	53 - Física
dc.embargo.terms	cap
dc.identifier.doi	https://doi.org/10.1103/PhysRevLett.108.251802
dc.rights.accessLevel	info:eu-repo/semantics/openAccess
dc.description.abstract	The decay B+c→J/ψπ+π−π+ is observed for the first time, using 0.8 fb−1 of pp collisions at √s=7 TeV collected by the LHCb experiment. The ratio of branching fractions B(B+c→J/ψπ+π−π+)/B(B+c→J/ψπ+) is measured to be 2.41±0.30±0.33, where the first uncertainty is statistical and the second is systematic. The result is in agreement with theoretical predictions.

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