Measurement of the Decay Amplitudes of B0 --> J/psi K* and B0s --> J/psi phi Decays

Details Measurement of the Decay Amplitudes of B0 --> J/psi K* and B0s --> J/psi phi Decays Measurement of the Decay Amplitudes of B0 --> J/psi K* and B0s --> J/psi phi Decays

2000-07-18

arxiv.org/abs/hep-ex/0007034v1

Phys.Rev.Lett.85:4668-4673,2000

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevLett.85.4668

A full angular analysis has been performed for the pseudo-scalar to vector-vector decays, B0 --> J/psi K* and B_s --> J/psi phi, to determine the amplitudes for decays with parity-even longitudinal and transverse polarization and parity-odd transverse polarization. The measurements are based on 190 B0 candidates and 40 B_s candidates collected from a data set corresponding to 89 inverse pb of pbarp collisions at root(s) = 1.8 TeV at the Fermilab Tevatron. In both decays the decay amplitude for longitudinal polarization dominates and the parity-odd amplitude is found to be small.

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