Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102102
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dc.contributor.authorAad, G.en
dc.contributor.authorATLAS Collaborationen
dc.date.issued2014en
dc.identifier.citationPhysical Review Letters, 2014; 113(21):212004-1-212004-18en
dc.identifier.issn1079-7114en
dc.identifier.issn1079-7114en
dc.identifier.urihttp://hdl.handle.net/2440/102102-
dc.description.abstractA search for excited states of the B+/- c meson is performed using 4.9fb -1 of 7 TeV and 19.2fb -1 of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decay B+/- c ->J/psi pi +/-. The state appears in the m(B+/- c pi+pi -)- m(B+/- c)-2m(pi +/-) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842+/-4+/-5MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the B+/- c meson, B+/- c(2S).en
dc.description.statementofresponsibilityG. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (ATLAS Collaboration)en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2014 CERN, for the ATLAS Collaboration. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en
dc.subjectATLAS Collaboration; ATLAS Collaboration; ATLAS Collaborationen
dc.titleObservation of an excited B±c meson state with the ATLAS detectoren
dc.title.alternativeObservation of an excited B+/- c meson state with the ATLAS detectoren
dc.typeJournal articleen
dc.identifier.rmid0030018908en
dc.identifier.doi10.1103/PhysRevLett.113.212004en
dc.identifier.pubid162047-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS10en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Physics publications

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