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Measurements of CP-violating asymmetries and branching fractions in B decays to omega K and omega pi

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BaBar Collaboration (Including:

Aubert, B., Barate, R., Bona, M., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J. P., Poireau, V., Tisserand, V., Zghiche, A. et al.
). (2006) Measurements of CP-violating asymmetries and branching fractions in B decays to omega K and omega pi. PHYSICAL REVIEW D, 74 (1). -. ISSN 1550-7998

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Abstract

We present measurements of CP-violating asymmetries and branching fractions for the decays B+->omega pi(+), B+->omega K+, and B-0 ->omega K-0. The data sample corresponds to 232x10(6) B (B) over bar pairs produced by e(+)e(-) annihilation at the Upsilon(4S) resonance. For the decay B-0 ->omega K-S(0), we measure the time-dependent CP-violation parameters S=0.51(-0.39)(+0.35)+/- 0.02, and C=-0.55(-0.26)(+0.28)+/- 0.03. We also measure the branching fractions, in units of 10(-6), B(B+->omega pi(+))=6.1 +/- 0.7 +/- 0.4, B(B+->omega K+)=6.1 +/- 0.6 +/- 0.4, and B(B-0 ->omega K-0)=6.2 +/- 1.0 +/- 0.4, and charge asymmetries A(ch)(B+->omega pi(+))=-0.01 +/- 0.10 +/- 0.01 and A(ch)(B+->omega K+)=0.05 +/- 0.09 +/- 0.01.

Item Type: Journal Article
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Journal or Publication Title: PHYSICAL REVIEW D
Publisher: AMERICAN PHYSICAL SOC
ISSN: 1550-7998
Date: July 2006
Volume: 74
Number: 1
Number of Pages: 7
Page Range: -
Identification Number: 10.1103/PhysRevD.74.011106
Publication Status: Published
URI: http://wrap.warwick.ac.uk/id/eprint/33207

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