Angular analysis and differential branching fraction of the decay B s 0 → ϕμ + μ −
R. AaijEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandB. AdevaUniversidad de Santiago de Compostela, Santiago de Compostela, SpainM. AdinolfiH.H. Wills Physics Laboratory, University of Bristol, Bristol, United KingdomTony AffolderOliver Lodge Laboratory, University of Liverpool, Liverpool, United KingdomZ. AjaltouniClermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, FranceS. AkarCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FranceJ. AlbrechtFakultät Physik, Technische Universität Dortmund, Dortmund, GermanyF. AlessioEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandM. AlexanderSchool of Physics and Astronomy, University of Glasgow, Glasgow, United KingdomS. AliNikhef National Institute for Subatomic Physics, Amsterdam, NetherlandsG. AlkhazovPetersburg Nuclear Physics Institute (PNPI), Gatchina, RussiaP. Álvarez CartelleImperial College London, London, United KingdomA. A. AlvesUniversity of Cincinnati, Cincinnati, OH, United StatesS. AmatoUniversidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, BrazilS. AmerioSezione INFN di Padova, Padova, ItalyY. AmhisLAL, Université Paris-Sud, CNRS/IN2P3, Orsay, FranceL. AnUniversidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, BrazilL. AnSezione INFN di Firenze, Firenze, ItalyJ. AndersonPhysik-Institut, Universität Zürich, Zürich, SwitzerlandG. AndreassiEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandM. AndreottiSezione INFN di Ferrara, Ferrara, ItalyJ. E. AndrewsUniversity of Maryland, College Park, MD, United StatesR. B. ApplebySchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomO. Aquines GutierrezMax-Planck-Institut für Kernphysik (MPIK), Heidelberg, GermanyF. ArchilliEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandP. d’ArgentPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyA. ArtamonovInstitute for High Energy Physics (IHEP), Protvino, RussiaM. ArtusoSyracuse University, Syracuse, NY, United StatesE. AslanidesCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FranceG. AuriemmaSezione INFN di Roma La Sapienza, Roma, ItalyM. BaalouchClermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, FranceS. BachmannPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyJ. J. BackDepartment of Physics, University of Warwick, Coventry, United KingdomA. BadalovUniversitat de Barcelona, Barcelona, SpainC. BaessoPontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, BrazilW. BaldiniSezione INFN di Ferrara, Ferrara, ItalyR. J. BarlowSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomC. BarschelEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandS. BarsukLAL, Université Paris-Sud, CNRS/IN2P3, Orsay, FranceW. BarterEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandV. BatozskayaNational Center for Nuclear Research (NCBJ), Warsaw, PolandV. BattistaEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandA. BayEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandL. BeaucourtLAPP, Université Savoie Mont-Blanc, CNRS/IN2P3, Annecy-Le-Vieux, FranceJ. BeddowSchool of Physics and Astronomy, University of Glasgow, Glasgow, United KingdomF. BedeschiSezione INFN di Pisa, Pisa, ItalyI. BediagaCentro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, BrazilL. J. BelNikhef National Institute for Subatomic Physics, Amsterdam, NetherlandsV. BelléeEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandI. BelyaevInstitute of Theoretical and Experimental Physics (ITEP), Moscow, RussiaE. Ben-HaimLPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, FranceG. BencivenniLaboratori Nazionali dell'INFN di Frascati, Frascati, ItalyS. BensonEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandJ. BentonH.H. Wills Physics Laboratory, University of Bristol, Bristol, United KingdomA. BerezhnoyInstitute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, RussiaR. BernetPhysik-Institut, Universität Zürich, Zürich, SwitzerlandA. BertolinSezione INFN di Padova, Padova, ItalyM.-O. BettlerEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandM. van BeuzekomNikhef National Institute for Subatomic Physics, Amsterdam, NetherlandsA. BieńPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyS. BifaniUniversity of Birmingham, Birmingham, United KingdomT. BirdSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomA. BirnkrautFakultät Physik, Technische Universität Dortmund, Dortmund, GermanyA. BizzetiSezione INFN di Firenze, Firenze, ItalyT. BlakeDepartment of Physics, University of Warwick, Coventry, United KingdomF. BlancEcole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, SwitzerlandJ. BlouwMax-Planck-Institut für Kernphysik (MPIK), Heidelberg, GermanyS. BluskSyracuse University, Syracuse, NY, United StatesV. BocciSezione INFN di Roma La Sapienza, Roma, ItalyA. BondarPetersburg Nuclear Physics Institute (PNPI), Gatchina, RussiaN. BondarPetersburg Nuclear Physics Institute (PNPI), Gatchina, RussiaW. BoniventoSezione INFN di Cagliari, Cagliari, ItalyS. BorghiSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomM. BorsatoLAL, Université Paris-Sud, CNRS/IN2P3, Orsay, FranceT. J. V. BowcockOliver Lodge Laboratory, University of Liverpool, Liverpool, United KingdomE. BowenPhysik-Institut, Universität Zürich, Zürich, SwitzerlandC. BozziSezione INFN di Ferrara, Ferrara, ItalyS. BraunPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyD. BrettSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomM. BritschMax-Planck-Institut für Kernphysik (MPIK), Heidelberg, GermanyT. BrittonSyracuse University, Syracuse, NY, United StatesJ. BrodzickaSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomN. H. BrookH.H. Wills Physics Laboratory, University of Bristol, Bristol, United KingdomA. BurschePhysik-Institut, Universität Zürich, Zürich, SwitzerlandJ. BuytaertEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandS. CadedduSezione INFN di Cagliari, Cagliari, ItalyR. CalabreseSezione INFN di Ferrara, Ferrara, ItalyM. CalviSezione INFN di Milano Bicocca, Milano, ItalyM. Calvo GomezUniversitat de Barcelona, Barcelona, SpainP. CampanaLaboratori Nazionali dell'INFN di Frascati, Frascati, ItalyD. H. Cámpora PérezEuropean Organization for Nuclear Research (CERN), Geneva, SwitzerlandL. CapriottiSchool of Physics and Astronomy, University of Manchester, Manchester, United KingdomA. CarboneSezione INFN di Bologna, Bologna, ItalyG. CarboniSezione INFN di Roma Tor Vergata, Roma, ItalyR. CardinaleSezione INFN di Genova, Genova, ItalyA. CardiniSezione INFN di Cagliari, Cagliari, ItalyP. CarnitiSezione INFN di Milano Bicocca, Milano, ItalyL. CarsonSchool of Physics and Astronomy, University of Edinburgh, Edinburgh, United KingdomK. Carvalho AkibaUniversidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, BrazilG. CasseOliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
2015en
ABI
Abstract
An angular analysis and a measurement of the differential branching fraction of the decay B 0 s + -are presented, using data corresponding to an integrated luminosity of 3.0 fb -1 of pp collisions recorded by the LHCb experiment at s = 7 and 8 TeV. Measurements are reported as a function of q 2 , the square of the dimuon invariant mass and results of the angular analysis are found to be consistent with the Standard Model. In the range 1 < q 2 < 6 GeV 2 /c 4 , where precise theoretical calculations are available, the differential branching fraction is found to be more than 3 below the Standard Model predictions.
Identifiers
Citations and references
Cited by 10 references