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Observation of CP violation in B ->eta/K-0 decays
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BABAR Collaboration (Including: Back, J. J., Harrison, P. F., Latham, Thomas, Mohanty, G. B. and Pappagallo, M.). (2007) Observation of CP violation in B ->eta/K-0 decays. Physical Review Letters, Vol.98 (No.3). doi:10.1103/PhysRevLett.98.031801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.98.031801
Abstract
We present measurements of the time-dependent CP-violation parameters S and C in B-0 -> eta K-'(0) decays. The data sample corresponds to 384 x 10(6) B (B) over bar pairs produced by e(+)e(-) annihilation at the Upsilon(4S). The results are S = 0.58 +/- 0.10 +/- 0.03 and C = -0.16 +/- 0.07 +/- 0.03. We observe mixing-induced CP violation with a significance of 5.5 standard deviations in this b -> s penguin dominated mode.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review Letters | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 19 January 2007 | ||||
Dates: |
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Volume: | Vol.98 | ||||
Number: | No.3 | ||||
Number of Pages: | 7 | ||||
DOI: | 10.1103/PhysRevLett.98.031801 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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