Updated measurement of time-dependent cp -violating observables in b → j /ψ k k decays

HIGHLIGHTS

• who: LHCb Collaboration from the CERN, Geneva, Switzerland have published the article: Updated measurement of time-dependent CP -violating observables in B → J /ψ K K decays, in the Journal: Eur. Phys. J. C (2019) 79:706 of /2019/
• what: A flavour-tagged decay-time-dependent angular analysis of Bs0 → J/ψ K + K - decays has been per- formed, using 1.9 fb-1 of pp collision data recorded by the LHCb experiment during the 2015 and 2016 runs of the LHC.
• how: The s Fit procedure the evaluation of the systematic uncertainties and the . . .
  

   

  

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