Skip to content Skip to navigation
University of Warwick
  • Study
  • |
  • Research
  • |
  • Business
  • |
  • Alumni
  • |
  • News
  • |
  • About

University of Warwick
Publications service & WRAP

Highlight your research

  • WRAP
    • Home
    • Search WRAP
    • Browse by Warwick Author
    • Browse WRAP by Year
    • Browse WRAP by Subject
    • Browse WRAP by Department
    • Browse WRAP by Funder
    • Browse Theses by Department
  • Publications Service
    • Home
    • Search Publications Service
    • Browse by Warwick Author
    • Browse Publications service by Year
    • Browse Publications service by Subject
    • Browse Publications service by Department
    • Browse Publications service by Funder
  • Help & Advice
University of Warwick

The Library

  • Login
  • Admin

Search for rare Bº(s) → μ+μ-μ+μ- decays

Tools
- Tools
+ Tools

LHCb Collaboration (Including: Back, J. J., Craik, Daniel, Dossett, D., Gershon, T. J., Harrison, P. F., Kreps, Michal, Latham, Thomas, Pilar, T., Poluektov, Anton, Reid, Matthew M., Silva Coutinho, R., Whitehead, M. (Mark) and Williams, M. P.). (2013) Search for rare Bº(s) → μ+μ-μ+μ- decays. Physical Review Letters, 110 (21). 211801. doi:10.1103/PhysRevLett.110.211801 ISSN 0031-9007.

[img]
Preview
Text
WRAP_LCHb_PhysRevLett.110.211801.pdf - Published Version
Available under License Creative Commons Attribution.

Download (494Kb) | Preview
Official URL: http://dx.doi.org/10.1103/PhysRevLett.110.211801

Request Changes to record.

Abstract

A search for the decays Bºs→μ+μ-μ+μ- and Bº→μ+μ-μ+μ- is performed using data, corresponding to an integrated luminosity of 1.0  fb-1, collected with the LHCb detector in 2011. The number of candidates observed is consistent with the expected background and, assuming phase-space models of the decays, limits on the branching fractions are set: B(Bºs→μ+μ-μ+μ-)<1.6(1.2)×10-8 and B(Bº→μ+μ-μ+μ-)<6.6(5.3)×10-9 at 95% (90%) confidence level. In addition, limits are set in the context of a supersymmetric model which allows for the Bº(s) meson to decay into a scalar (S) and pseudoscalar particle (P), where S and P have masses of 2.5  GeV/c and 214.3  MeV/c, respectively, both resonances decay into μ+μ-. The branching fraction limits for these decays are B(Bºs→SP)<1.6(1.2)×10-8 and B(Bº→SP)<6.3(5.1)×10-9 at 95% (90%) confidence level.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Mathematical physics, Nuclear counters, B mesons
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: May 2013
Dates:
DateEvent
May 2013Published
Volume: 110
Number: 21
Article Number: 211801
DOI: 10.1103/PhysRevLett.110.211801
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 1 August 2016
Date of first compliant Open Access: 1 August 2016
Funder: Brazil. Coordenação do Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ), Financiadora de Estudos e Projetos (Brazil) (FINEP), European Organization for Nuclear Research (CERN), Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), Centre national de la recherche scientifique (France) (CNRS), Institut national de physique nucléaire et de physique des particules (IN2P3), Germany. Bundesministerium für Bildung und Forschung (BMBF), Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Max-Planck-Gesellschaft zur Förderung der Wissenschaften [Max Planck Society for the Advancement of Science], Science Foundation Ireland (SFI), Istituto nazionale di fisica nucleare (INFN), Stichting voor Fundamenteel Onderzoek der Materie (FOM) [Foundation for Fundamental Research on Matter], Nederlandse Organisatie voor Wetenschappelijk Onderzoek [Netherlands Organisation for Scientific Research] (NWO), SCSR (Poland), Autoritatea Nationala pentru Cercetare Stiintifica (ANCS), Federalʹnoe agentstvo po atomnoĭ ėnergii (Russia), Russia (Federation). Ministerstvo obrazovanii︠a︡ i nauki [Ministry of Education and Science], Spain. Ministerio de Ciencia e Innovación (MICINN), Galicia (Spain : Region). Xunta, Catalonia (Spain), Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung [Swiss National Science Foundation] (SNSF), Natsionalʹna akademiia nauk Ukraïny (NAS), Science and Technology Facilities Council (Great Britain) (STFC), National Science Foundation (U.S.) (NSF), European Research Council (ERC), Seventh Framework Programme (European Commission) (FP7), Auvergne (France), Deutsche Forschungsgemeinschaft (DFG), Rossiĭskiĭ fond fundamentalʹnykh issledovaniĭ [Russian Foundation for Basic Research] (RFBR), Rossiĭskiĭ nauchnyĭ t︠s︡entr "Kurchatovskiĭ institut" [Russian Research Center "Kurchatov Institute"] (Russia), Spain. Ministerio de Economía y Competitividad [Ministry of Economy and Competitiveness] (MINECO), Switzerland. Staatssekretariat für Ausbildung und Forschung (SER)

Request changes or add full text files to a record

Repository staff actions (login required)

View Item View Item

Downloads

Downloads per month over past year

View more statistics

twitter

Email us: wrap@warwick.ac.uk
Contact Details
About Us