Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays

Details Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays

2002-12-26

arxiv.org/abs/hep-ex/0212062v2

Phys.Rev.D67:031102,2003

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 9 figures, submitted to Phys. Rev. D, (R)

Scientific paper

10.1103/PhysRevD.67.031102

We present a measurement of CP-violation parameters in the b->sq q penguin transitions (q=s,u,d) based on a 78/fb data sample collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One neutral B meson is reconstructed in the phiks, K+K-ks, or eta'ks decay channel, and the flavor of the accompanying B meson is identified from its decay products. CP violation parameters for each of the three modes are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays.

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