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Measurement of the B0→ϕK*0 Decay Amplitudes

Aubert, B. et al. (2004) Measurement of the B0→ϕK*0 Decay Amplitudes. Physical Review Letters, 93 (23). p. 231804. ISSN 0031-9007

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Abstract

With a sample of about 227×106 BB̅ pairs recorded with the BABAR detector we perform a full angular analysis of the decay B0→ϕK*0(892). We make novel measurements of five parameters sensitive to CP violation. We also measure the branching fraction to be (9.2±0.9±0.5)×10-6 and determine the fractions of longitudinal and parity-odd transverse contributions as fL=0.52±0.05±0.02 and f⊥=0.22±0.05±0.02. The phases of the parity-even and parity-odd transverse amplitudes relative to the longitudinal amplitude are found to be ϕ∥=2.34-0.20+0.23±0.05 rad and ϕ⊥=2.47±0.25±0.05 rad. We also observe the decay B0→ϕK*0(1430).

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 06 Apr 2011 13:06
Last Modified: 06 Apr 2011 13:06
URI: http://eprints.hud.ac.uk/id/eprint/10047

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