Differential branching fraction and angular analysis of the decay B 0 → K * 0 μ + μ -

The LHCb Collaboration

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Abstract

The angular distribution and differential branching fraction of the decay B 0→ K * 0 μ + μ - are studied using a data sample, collected by the LHCb experiment in pp collisions at S=7 TeV, corresponding to an integrated luminosity of 1.0 fb -1. Several angular observables are measured in bins of the dimuon invariant mass squared, q 2. A first measurement of the zero-crossing point of the forward-backward asymmetry of the dimuon system is also presented. The zero-crossing point is measured to be q02=4.9± 0.9 GeV2 c4, where the uncertainty is the sum of statistical and systematic uncertainties. The results are consistent with the Standard Model predictions. [Figure not available: see fulltext.]

Original languageEnglish
Article number131
Number of pages31
JournalJournal of High Energy Physics
Volume2013
Issue number8
DOIs
Publication statusPublished - 30 Sep 2013
Externally publishedYes

Keywords

  • B physics
  • Flavor physics
  • Flavour Changing Neutral Currents
  • Hadron-Hadron Scattering
  • Rare decay

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