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Evidence for CP violation in B-0 -> J/psi pi(0) decays
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BABAR Collaboration (Including:
). (2008) Evidence for CP violation in B-0 -> J/psi pi(0) decays. Physical Review Letters, Vol.101 (No.2). article no. 021801. doi:10.1103/PhysRevLett.101.021801 ISSN 0031-9007.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.101.021801
Abstract
We present measurements of the branching fraction and time-dependent CP asymmetries in B-0 -> J/psi pi(0) decays based on 466x10(6) Gamma(4S)-> B (B) over bar events collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. We measure the CP asymmetry parameters S=-1.23 +/- 0.21(stat) +/- 0.04(syst) and C=-0.20 +/- 0.19(stat)+/- 0.03(syst), where the measured value of (S, C) is 4.0 standard deviations from (0, 0) including systematic uncertainties. The branching fraction is determined to be B(B-0 -> J/psi pi(0))=[1.69 +/- 0.14(stat)+/- 0.07(syst)]x10(-5).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| 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: | 11 July 2008 | ||||
| Dates: |
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| Volume: | Vol.101 | ||||
| Number: | No.2 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 021801 | ||||
| DOI: | 10.1103/PhysRevLett.101.021801 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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