(2008) Measurement of time-dependent CP asymmetry in B-0 -> K-S(0)pi(0)gamma decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.7). article no. 071102. doi:10.1103/PhysRevD.78.071102 ISSN 1550-7998.

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Abstract

We measure the time-dependent CP asymmetry in B-0 -> K-S(0)pi(0)gamma decays for two regions of K-S(0)-pi(0) invariant mass, m(K-S(0)pi(0)), using the final BABAR data set of 467x10(6) B(B)overbar pairs collected at the PEP-II e(+)e(-) collider at SLAC. We find 339 +/- 24 B-0 -> K-*0 gamma candidates and measure S-K(*)gamma=-0.03 +/- 0.29 +/- 0.03 and C-K(*)gamma=-0.14 +/- 0.16 +/- 0.03. In the range 1.1 < m(K-S(0)pi(0))< 1.8 GeV/c(2) we find 133 +/- 20 B-0 -> K-S(0)pi(0)gamma candidates and measure S-KS(0)pi(0)gamma=-0.78 +/- 0.59 +/- 0.09 and C-KS(0)pi(0)gamma=-0.36 +/- 0.33 +/- 0.04. The uncertainties are statistical and systematic, respectively.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Official Date:	October 2008
Dates:	Date Event October 2008 Published
Volume:	Vol.78
Number:	No.7
Number of Pages:	8
Page Range:	article no. 071102
DOI:	10.1103/PhysRevD.78.071102
Status:	Peer Reviewed
Publication Status:	Published
Funder:	DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation

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