(2008) Measurement of the CP-violating asymmetries in B-0 -> K-s(0)pi(0) and of the branching fraction B-0 -> K-0 pi(0). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.77 (No.1). doi:10.1103/PhysRevD.77.012003 ISSN 1550-7998.

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Abstract

We present a measurement of the time-dependent CP-violating asymmetries in B-0 -> K-S(0)pi(0) decays based on 383x10(6) Upsilon(4S)-> B (B) over bar events collected by the BABAR experiment at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. We measure the direct CP-violating asymmetry C-KS(0)pi(0)=0.24 +/- 0.15 +/- 0.03 and the CP-violating asymmetry in the interference between mixing and decay S-KS(0)pi(0)=0.40 +/- 0.23 +/- 0.03, where the first errors are statistical and the second are systematic. On the same sample, we measure the decay branching fraction, obtaining B(B-0 -> K-0 pi(0))=(10.3 +/- 0.7 +/- 0.6)x10(-6).

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:	January 2008
Dates:	Date Event January 2008 Published
Volume:	Vol.77
Number:	No.1
Number of Pages:	9
DOI:	10.1103/PhysRevD.77.012003
Status:	Peer Reviewed
Publication Status:	Published

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