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Measurement of the Bs(0)→μ+ μ- branching fraction and search for B(0)→μ+ μ- with the CMS experiment.

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dc.contributor.authorChatrchyan, S.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorSirunyan, A.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorBergauer, T.
dc.contributor.authorDragicevic, M.
dc.contributor.authorErö, J.
dc.contributor.authorFabjan, C.
dc.contributor.authorFriedl, M.
dc.contributor.authorFrühwirth, R.
dc.contributor.authorGhete, V.
dc.contributor.authorHörmann, N.
dc.contributor.authorHrubec, J.
dc.contributor.authorJeitler, M.
dc.contributor.authorKiesenhofer, W.
dc.contributor.authorKnünz, V.
dc.contributor.authorKrammer, M.
dc.contributor.authorKrätschmer, I.
dc.contributor.authorLiko, D.
dc.contributor.authorMikulec, I.
dc.contributor.authorRabady, D.
dc.contributor.authorRahbaran, B.
dc.contributor.authorRohringer, C.
dc.contributor.authorRohringer, H.
dc.contributor.authorSchöfbeck, R.
dc.contributor.authorStrauss, J.
dc.contributor.authorTaurok, A.
dc.contributor.authorTreberer Treberspurg, W.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.
dc.contributor.authorMossolov, V.
dc.contributor.authorShumeiko, N.
dc.contributor.authorSuarez Gonzalez, J.
dc.contributor.authorAlderweireldt, S.
dc.contributor.authorBansal, M.
dc.contributor.authorBansal, S.
dc.contributor.authorCornelis, T.
dc.contributor.authorWolf, E.
dc.contributor.authorJanssen, X.
dc.contributor.authorKnutsson, A.
dc.contributor.authorLuyckx, S.
dc.contributor.authorMucibello, L.
dc.contributor.authorOchesanu, S.
dc.contributor.authorRoland, B.
dc.contributor.authorRougny, R.
dc.contributor.authorStaykova, Z.
dc.contributor.authorHaevermaet, H.
dc.contributor.authorMechelen, P.
dc.contributor.authorRemortel, N.
dc.contributor.authorSpilbeeck, A.
dc.contributor.authorBlekman, F.
dc.contributor.authorBlyweert, S.
dc.contributor.authorD Hondt, J.
dc.contributor.authorKalogeropoulos, A.
dc.contributor.authorKeaveney, J.
dc.contributor.authorLowette, S.
dc.contributor.authorMaes, M.
dc.contributor.authorOlbrechts, A.
dc.contributor.authorTavernier, S.
dc.contributor.authorDoninck, W.
dc.contributor.authorMulders, P.
dc.contributor.authorOnsem, G.
dc.contributor.authorVillella, I.
dc.contributor.authorCaillol, C.
dc.contributor.authorClerbaux, B.
dc.contributor.authorLentdecker, G.
dc.contributor.authorFavart, L.
dc.contributor.authorGay, A.
dc.contributor.authorHreus, T.
dc.contributor.authorLéonard, A.
dc.contributor.authorMarage, P.
dc.contributor.authorMohammadi, A.
dc.contributor.authorPerniè, L.
dc.contributor.authorReis, T.
dc.contributor.authorSeva, T.
dc.contributor.authorThomas, L.
dc.contributor.authorVander Velde, C.
dc.contributor.authorVanlaer, P.
dc.contributor.authorWang, J.
dc.contributor.authorAdler, V.
dc.contributor.authorBeernaert, K.
dc.contributor.authorBenucci, L.
dc.contributor.authorCimmino, A.
dc.contributor.authorCostantini, S.
dc.contributor.authorDildick, S.
dc.contributor.authorGarcia, G.
dc.contributor.authorKlein, B.
dc.contributor.authorLellouch, J.
dc.contributor.authorMarinov, A.
dc.contributor.authorMccartin, J.
dc.contributor.authorOcampo Rios, A.
dc.contributor.authorRyckbosch, D.
dc.contributor.authorSigamani, M.
dc.contributor.authorStrobbe, N.
dc.contributor.authorThyssen, F.
dc.contributor.authorTytgat, M.
dc.contributor.authorWalsh, S.
dc.contributor.authorYazgan, E.
dc.contributor.authorZaganidis, N.
dc.contributor.authorBasegmez, S.
dc.contributor.authorBeluffi, C.
dc.contributor.authorBruno, G.
dc.contributor.authorCastello, R.
dc.contributor.authorCaudron, A.
dc.contributor.authorCeard, L.
dc.contributor.authorDa Silveira, G.
dc.contributor.authorDelaere, C.
dc.contributor.authorDu Pree, T.
dc.contributor.authorFavart, D.
dc.contributor.authorForthomme, L.
dc.contributor.authorGiammanco, A.
dc.contributor.authorHollar, J.
dc.contributor.authorJez, P.
dc.contributor.authorLemaitre, V.
dc.contributor.authorLiao, J.
dc.contributor.authorMilitaru, O.
dc.contributor.authorNuttens, C.
dc.contributor.authorPagano, D.
dc.contributor.authorPin, A.
dc.contributor.authorPiotrzkowski, K.
dc.contributor.authorPopov, A.
dc.contributor.authorSelvaggi, M.
dc.contributor.authorVidal Marono, M.
dc.contributor.authorVizan Garcia, J.
dc.contributor.authorBeliy, N.
dc.contributor.authorCaebergs, T.
dc.contributor.authorDaubie, E.
dc.contributor.authorHammad, G.
dc.contributor.authorAlves, G.
dc.contributor.authorCorrea Martins Junior, M.
dc.contributor.authorMartins, T.
dc.contributor.authorPol, M.
dc.contributor.authorSouza, M.
dc.contributor.authorAldá Júnior, W.
dc.contributor.authorCarvalho, W.
dc.contributor.authorChinellato, J.
dc.contributor.authorCustódio, A.
dc.contributor.authorDa Costa, E.
dc.contributor.authorJesus Damiao, D.
dc.contributor.authorOliveira Martins, C.
dc.contributor.authorFonseca Souza, S.
dc.contributor.authorMalbouisson, H.
dc.contributor.authorMalek, M.
dc.contributor.authorMatos Figueiredo, D.
dc.contributor.authorMundim, L.
dc.contributor.authorNogima, H.
dc.contributor.authorPrado Da Silva, W.
dc.contributor.authorSantoro, A.
dc.contributor.authorSznajder, A.
dc.contributor.authorTonelli Manganote, E.
dc.contributor.authorVilela Pereira, A.
dc.contributor.authorBernardes, C.
dc.contributor.authorDias, F.
dc.contributor.authorTomei, T.
dc.contributor.authorGregores, E.
dc.contributor.authorLagana, C.
dc.contributor.authorMercadante, P.
dc.contributor.authorNovaes, S.
dc.contributor.authorPadula, S.
dc.contributor.authorGenchev, V.
dc.contributor.authorIaydjiev, P.
dc.contributor.authorPiperov, S.
dc.contributor.authorRodozov, M.
dc.contributor.authorSultanov, G.
dc.contributor.authorVutova, M.
dc.contributor.authorDimitrov, A.
dc.contributor.authorHadjiiska, R.
dc.contributor.authorKozhuharov, V.
dc.contributor.authorLitov, L.
dc.contributor.authorPavlov, B.
dc.contributor.authorPetkov, P.
dc.contributor.authorBian, J.
dc.contributor.authorChen, G.
dc.contributor.authorChen, H.
dc.contributor.authorJiang, C.
dc.contributor.authorLiang, D.
dc.contributor.authorLiang, S.
dc.contributor.authorMeng, X.
dc.contributor.authorTao, J.
dc.contributor.authorWang, X.
dc.contributor.authorWang, Z.
dc.contributor.authorAsawatangtrakuldee, C.
dc.contributor.authorBan, Y.
dc.contributor.authorGuo, Y.
dc.contributor.authorLi, W.
dc.contributor.authorLiu, S.
dc.contributor.authorMao, Y.
dc.contributor.authorQian, S.
dc.contributor.authorTeng, H.
dc.contributor.authorWang, D.
dc.contributor.authorZhang, L.
dc.contributor.authorZou, W.
dc.contributor.authorAvila, C.
dc.contributor.authorCarrillo Montoya, C.
dc.contributor.authorChaparro Sierra, L.
dc.contributor.authorGomez, J.
dc.contributor.authorGomez Moreno, B.
dc.contributor.authorSanabria, J.
dc.contributor.authorGodinovic, N.
dc.date.accessioned2026-01-26T08:47:00Z
dc.date.issued2013-01-01
dc.description.abstractResults are presented from a search for the rare decays B-s(0) -> mu(+) mu(-) and B-0 -> mu(+) mu(-) in pp collisions at root s = 7 and 8 TeV, with data samples corresponding to integrated luminosities of 5 and 20 fb(-1), respectively, collected by the CMS experiment at the LHC. An unbinned maximum-likelihood fit to the dimuon invariant mass distribution gives a branching fraction 'B(B-s(0) -> mu(+)mu(-)) = (3.0(-0.9)(+1.0)) x 10(-9), where the uncertainty includes both statistical and systematic contributions. An excess of B-s(0) -> mu(+)mu(-) events with respect to background is observed with a significance of 4.3 standard deviations. For the decay B-0 -> mu(+)mu(-) an upper limit of 'B(B-0 -> mu(+) mu(-)) < 1.1 x 10(-9) at the 95% confidence level is determined. Both results are in agreement with the expectations from the standard model.
dc.description.abstractResults are presented from a search for the rare decays Bs0→μ+μ- and B0→μ+μ - in pp collisions at √s=7 and 8 TeV, with data samples corresponding to integrated luminosities of 5 and 20 fb-1, respectively, collected by the CMS experiment at the LHC. An unbinned maximum-likelihood fit to the dimuon invariant mass distribution gives a branching fraction B(Bs0→μ+μ-)=(3.0-0.9+1.0) ×10-9, where the uncertainty includes both statistical and systematic contributions. An excess of Bs0→μ+μ- events with respect to background is observed with a significance of 4.3 standard deviations. For the decay B0→μ+μ- an upper limit of B(B0→μ+μ-)<1.1×10 -9 at the 95% confidence level is determined. Both results are in agreement with the expectations from the standard model.
dc.description.urihttps://pubmed.ncbi.nlm.nih.gov/25166654
dc.description.urihttps://doi.org/10.1103/PhysRevLett.111.101804
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dc.description.urihttp://bura.brunel.ac.uk/handle/2438/7813
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dc.description.urihttp://bib-pubdb1.desy.de/record/153431/files/DESY-2013-00498.pdf
dc.description.urihttps://doi.org/https://doi.org/10.1103/PhysRevLett.111.101804
dc.identifier.issn1079-7114
dc.identifier.openairepmid_dedup__::9549d59ae094bf5f4a66349093467dae
dc.identifier.urihttps://hdl.handle.net/11527/65075
dc.identifier.volume111
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofPhysical review letters
dc.rightsOPEN
dc.subjectPhysics
dc.subjectPhysics Institute
dc.subjectInvariant mass distribution
dc.subjectB-MESON DECAYS
dc.subjectDENSITY-FUNCTION
dc.subjectSimulation
dc.subjectCMS, LHC, Bs0
dc.subjectHigh Energy Physics - Experiment
dc.subjectTellurium compounds
dc.subjectPhysics and Astronomy (all)
dc.subjectp p collision
dc.subjectLarge Hadron Collider
dc.subjectB-MESON DECAYS
dc.subjectCMS
dc.subjectB-MESON DECAYS
dc.subjectB-meson Decays
dc.subjectStandard deviation
dc.subjectBranching fractions
dc.subjectinfo:eu-repo/classification/ddc/530
dc.subjectFisica delle particelle
dc.subjectDensity-function
dc.subjectIntegrated luminosity
dc.subjectCMS
dc.subjectPhysics
dc.subjectddc:530
dc.subjectConfidence levels
dc.subjectFísica
dc.subjectRare decays
dc.subjectp p collision
dc.subjectUpper limits
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectThe standard model
dc.subjectLarge Hadron Collider
dc.subjectSimulation
dc.subjectMedicine (all)
dc.subjectPhysics and Astronomy (all)
dc.subjectDENSITY-FUNCTION
dc.subjectstandard deviation
dc.subjectExperiments
dc.subjectSimulation
dc.subjectParticle Physics - Experiment
dc.titleMeasurement of the Bs(0)→μ+ μ- branching fraction and search for B(0)→μ+ μ- with the CMS experiment.
dc.typeArticle
dspace.entity.typePublication

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