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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.; Williams, M. P.; Whitehead, M. (Mark); HASH(0x55897e1769e8) (2013)
Publisher: American Physical Society
Languages: English
Types: Article
Subjects: QC
An analysis of the decay B0→J/ψK*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0  fb-1, collected in pp collisions at a center-of-mass energy of 7 TeV with the LHCb detector. The polarization amplitudes and the corresponding phases are measured to be |A∥|2=0.227±0.004 (stat)±0.011 (syst), |A⊥|2=0.201±0.004 (stat)±0.008 (syst), δ∥[rad]=-2.94±0.02 (stat)±0.03 (syst), and δ⊥[rad]=2.94±0.02 (stat)±0.02 (syst). Comparing B0→J/ψK*(892)0 and B- 0→J/ψK- *(892)0 decays, no evidence for direct CP violation is found.
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