Show simple item record

dc.contributor.authorBaringer, Philip S.
dc.contributor.authorBean, Alice
dc.contributor.authorMurray, Michael J.
dc.contributor.authorSanders, Stephen J.
dc.contributor.authorCMS Collaboration
dc.date.accessioned2016-11-16T19:06:58Z
dc.date.available2016-11-16T19:06:58Z
dc.date.issued2015-01-13
dc.identifier.citationKhachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., … Frühwirth, R. (2015). Measurement of the ratio of the production cross sections times branching fractions of Bc± → J/ψπ± and B± → J/ψK± and B(B±c→J/ψπ±π±π∓)/B(B±c→J/ψπ±) in pp collisions at s√=7 TeV. J. High Energ. Phys., 2015(1). doi:10.1007/jhep01(2015)063en_US
dc.identifier.urihttp://hdl.handle.net/1808/21999
dc.description.abstractThe ratio of the production cross sections times branching fractions (σ(B±c)B(B±c→J/ψπ±))/(σ(B±)B(B±→J/ψK±)) is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The kinematic region investigated requires Bc± and B± mesons with transverse momentum pT > 15 GeV and rapidity |y| < 1.6. The data sample corresponds to an integrated luminosity of 5.1 fb−1. The ratio is determined to be [0.48±0.05(stat)±0.03(syst)±0.05 (τBc)]%. The Bc± → J/ψπ±π±π∓ decay is also observed in the same data sample. Using a model-independent method developed to measure the efficiency given the presence of resonant behaviour in the three-pion system, the ratio of the branching fractions B(B±c→J/ψπ±π±π∓)/B(B±c→J/ψπ±) is measured to be 2.55±0.80(stat)±0.33(syst)+0.04−0.01(τBc), consistent with the previous LHCb result.en_US
dc.description.sponsorshipSCOAP3en_US
dc.publisherSpringer Verlagen_US
dc.rightsOpen Access, Copyright CERN, for the benefit of the CMS Collaboration.en_US
dc.subjectHadron-Hadron Scatteringen_US
dc.subjectBranching fractionen_US
dc.subjectB physicsen_US
dc.titleMeasurement of the ratio of the production cross sections times branching fractions of Bc± → J/ψπ± and B± → J/ψK± and B(B±c→J/ψπ±π±π∓)/B(B±c→J/ψπ±) in pp collisions at s√=7 TeVen_US
dc.typeArticleen_US
kusw.kuauthorBaringer, Philip S.
kusw.kuauthorBean, Alice
kusw.kuauthorMurray, Michael J.
kusw.kuauthorSanders, Stephen J.
kusw.kudepartmentPhysics and Astronomyen_US
dc.identifier.doi10.1007/JHEP01(2015)063en_US
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US
dc.rights.accessrightsopenAccess


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record