Publication: Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays
Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays
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LHCb Collaboration, et al, Bernet, R., Müller, K., Steinkamp, O., Straumann, U., & Vollhardt, A. (2013). Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays. Physical Review. D, Particles, Fields, Gravitation and Cosmology, 88, 052002. https://doi.org/10.1103/PhysRevD.88.052002
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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
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- Bernet, R
- Müller, K
- Steinkamp, O
- Straumann, U
- Vollhardt, A
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LHCb Collaboration, et al, Bernet, R., Müller, K., Steinkamp, O., Straumann, U., & Vollhardt, A. (2013). Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays. Physical Review. D, Particles, Fields, Gravitation and Cosmology, 88, 052002. https://doi.org/10.1103/PhysRevD.88.052002
