2014/03/12 by LHCb collaboration, R. Aaij, A. Abba +692 · 1 citation
Physics and Astronomy · #hep-ex
paper · pdf · doi:10.1007/jhep05(2014)069
published as JHEP 1405 (2014) 069 · 26 pages, 13 figures, submitted to JHEP
arxiv created 2014/03/12 · arxiv updated 2016/08/10
An angular analysis of the decay B0 → ϕK^*(892)0 is reported based on a pp collision data sample, corresponding to an integrated luminosity of 1.0 fb-1, collected at a centre-of-mass energy of √(s) = 7 TeV with the LHCb detector. The P-wave amplitudes and phases are measured with a greater precision than by previous experiments, and confirm about equal amounts of longitudinal and transverse polarization. The S-wave K+ π- and K+K- contributions are taken into account and found to be significant. A comparison of the B0 → ϕK^*(892)0 and B0 → ϕK^*(892)0 results shows no evidence for direct CP violation in the rate asymmetry, in the triple-product asymmetries or in the polarization amplitudes and phases.