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Measurement of CP asymmetry in B-0 -> K-s(0)pi(0)pi(0) decays
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BABAR Collaboration (Including: Back, J. J., Harrison, P. F., Latham, Thomas, 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). doi:10.1103/PhysRevD.76.071101 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.76.071101
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 | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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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 2007 | ||||
Dates: |
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Volume: | Vol.76 | ||||
Number: | No.7 | ||||
Number of Pages: | 8 | ||||
DOI: | 10.1103/PhysRevD.76.071101 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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