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Back, J. J.; Craik, Daniel; Dossett, D.; Gershon, T. J.; Kreps, Michal; Latham, Thomas; Pilar, T.; Poluektov, Anton; Reid, Matthew M.; Silva Coutinho, R.; Whitehead, M. (Mark); Williams, M. P.; HASH(0x55942efae0d8) (2013)
Publisher: Springer
Languages: English
Types: Article
Subjects: QC

Classified by OpenAIRE into

arxiv: High Energy Physics::Experiment, Nuclear Experiment
Using three- and four-body decays of D mesons produced in semileptonic b-hadron decays, precision measurements of D meson mass differences are made together with a measurement of the Dº mass. The measurements are based on a dataset corresponding to an integrated luminosity of 1.0 fb -1 collected in pp collisions at 7 TeV. Using the decay Dº → K + K - K - π +, the Dº mass is measured to be M(Dº)=1864.75± 0.15(stat)± 0.11(syst) MeV/c2. The mass differences M(D+)-M(Dº=4.76± 0.12(stat)± MeV/c 2. M(Ds +)-M(D+)=98.68± 0.03(stat)± 0.04(syst) MeV/c2 are measured using the Dº → K + K - π + π - and Ds + to K+K -π+ modes.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • 43 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine
    • 44 University of Birmingham, Birmingham, United Kingdom
    • 45 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom
    • 46 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom
    • 47 Department of Physics, University of Warwick, Coventry, United Kingdom
    • 48 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom
    • 49 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
    • 50 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
    • 51 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
    • 52 Imperial College London, London, United Kingdom
    • 53 School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom
    • 54 Department of Physics, University of Oxford, Oxford, United Kingdom
    • 55 Massachusetts Institute of Technology, Cambridge, MA, United States
    • 56 University of Cincinnati, Cincinnati, OH, United States
    • 57 Syracuse University, Syracuse, NY, United States
    • 58 Pontif cia Universidade Catolica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil, associated to 2
    • 59 Institut fur Physik, Universitat Rostock, Rostock, Germany, associated to 11
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