BABAR Collaboration (Including: Back, J. J., Harrison, P. F., Latham, T. E., Mohanty, G. B. and Pappagallo, M.). (2007) Measurement of CP asymmetry in B-0 -> K-s(0)pi(0)pi(0) decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.76 (No.7). ISSN 1550-7998

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Abstract

We present a measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state K-S(0)pi(0)pi(0), with K-S(0)->pi(+)pi(-). We use a sample of approximately 227 million B-meson pairs recorded at the Upsilon(4S) resonance with the BABAR detector at the PEP-II B-Factory at SLAC. From an unbinned maximum likelihood fit, we extract the mixing-induced CP-violation parameter S=0.72 +/- 0.71 +/- 0.08 and the direct CP-violation parameter C=0.23 +/- 0.52 +/- 0.13, where the first uncertainty is statistical and the second systematic.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Date:	October 2007
Volume:	Vol.76
Number:	No.7
Number of Pages:	8
Identification Number:	10.1103/PhysRevD.76.071101
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/30849

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