Measurement of the B0->PhiK*0 Decay Amplitudes

Details Measurement of the B0->PhiK*0 Decay Amplitudes Measurement of the B0->PhiK*0 Decay Amplitudes

2004-08-06

arxiv.org/abs/hep-ex/0408017v1

Phys.Rev.Lett.93:231804,2004

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 4 postscript figues, submitted to Phys.Rev.Lett

Scientific paper

10.1103/PhysRevLett.93.231804

With a sample of about 227 million BB pairs recorded with the BABAR detector at the PEP-II storage ring we perform a full angular analysis of the decay B0->PhiK*0(892). We 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 f_L=0.52+-0.05+-0.02 and f_perp=0.22+-0.05+-0.02, respectively. The phases of the parity-even and parity-odd transverse amplitudes relative to the longitudinal amplitude are found to be phi_parallel= 2.34+0.23-0.20+-0.05 rad and phi_perp=2.47+-0.25+-0.05 rad, respectively. We measure five CP asymmetries which provide important limits on CP violation originating from new physics. We also observe the decay B0->PhiK*0(1430).

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