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Measurement of time-dependent CP asymmetries in B-0 ->(DD -/+)-D-(*)+/- decays
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BABAR Collaboration (Including: UNSPECIFIED). (2005) Measurement of time-dependent CP asymmetries in B-0 ->(DD -/+)-D-(*)+/- decays. PHYSICAL REVIEW LETTERS, 95 (13). -. doi:10.1103/PhysRevLett.95.131802
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.95.131802
Abstract
We present a first measurement of CP asymmetries in neutral B decays to D+D-, and updated CP asymmetry measurements in decays to D*D-+(-) and D*D--(+). We use fully reconstructed decays collected in a data sample of (232 +/- 3) x 10(6) Y (4S) -> BB B events in the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We determine the time-dependent asymmetry parameters to be SD*+D- = -0.54 +/- 0.35 +/- 0.07, CD*+D- = 0.09 +/- 0.25 +/- 0.06, SD*-D+ = -0.29 +/- 0.33 +/- 0.07, CD*-D+ = 0.17 +/- 0.24 +/- 0.04, SD+D- = -0.29 +/- 0.63 +/- 0.06, and CD+D- = 0.11 +/- 0.35 +/- 0.06, where in each case the first error is statistical and the second error is systematic.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW LETTERS | ||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 23 September 2005 | ||||
| Dates: |
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| Volume: | 95 | ||||
| Number: | 13 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | - | ||||
| DOI: | 10.1103/PhysRevLett.95.131802 | ||||
| Publication Status: | Published |
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