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Measurement of the direct CP violating charge asymmetry in B± →μ±νμD0 decays

  • (D0 Collaboration)
  • Joint Institute for Nuclear Research
  • University of Oklahoma
  • Tata Institute of Fundamental Research
  • University of Illinois at Chicago
  • Florida State University
  • University of Manchester
  • Nuclear Physics Institute
  • University of Michigan, Ann Arbor
  • Augustana College, Sioux Falls
  • Louisiana Tech University
  • Czech Technical University in Prague
  • Kyiv National Taras Shevchenko University
  • Universidad de los Andes Colombia
  • Université Blaise Pascal, Clermont-Ferrand
  • Fermi National Accelerator Laboratory
  • University of Virginia
  • Northeastern University
  • University of Kansas
  • CEA Saclay
  • Universidade do Estado do Rio de Janeiro
  • Panjab University
  • Université Pierre et Marie Curie
  • University of Freiburg
  • Lancaster University
  • Imperial College London
  • University of Mississippi
  • Northern Illinois University
  • University of Nebraska-Lincoln
  • Stony Brook University
  • Lomonosov Moscow State University
  • NASU - Institute of Nuclear Research
  • University of Texas at Arlington
  • University of Göttingen
  • University of Washington

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We present the first measurement of the CP violating charge asymmetry in B±→μ±νμD0 decays using the full Run II integrated luminosity of 10.4 fb-1 in proton-antiproton collisions collected with the D0 detector at the Fermilab Tevatron Collider. We measure a difference in the yield of B- and B+ mesons in these decays by fitting the reconstructed invariant mass distributions. This results in an asymmetry of AμD0=[-0.14±0.20]%, which is consistent with standard model predictions.

Original languageEnglish
Article number031101
JournalPhysical Review D
Volume95
Issue number3
DOIs
StatePublished - Feb 8 2017

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