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Measurement of CP-violating asymmetries in B0→D(*)±D∓
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(2007) Measurement of CP-violating asymmetries in B0→D(*)±D∓. Physical Review Letters, Vol.99 (No.7). Article: 071801. doi:10.1103/PhysRevLett.99.071801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.99.071801
Abstract
We present updated measurements of CP-violating asymmetries in the decays B-0 ->(DD -/+)-D-*+/- and B-0 -> D+D- using (383 +/- 4) x 10(6)B (B) over bar pairs collected by the BABAR detector at the SLAC PEP-II B factory. We determine the time-integrated CP asymmetry A(D*+/- D -/+) = 0.12 +/- 0.06 +/- 0.02, and the time-dependent asymmetry parameters to be CD*+D-= 0.18 +/- 0.15 +/- 0.04, SD*+D-= -0.79 +/- 0.21 +/- 0.06, CD*-D+ = 0.23 +/- 0.15 +/- 0.04, SD*-D+= -0.44 +/- 0.22 +/- 0.06, CD+D- = 0.11 +/- 0.22 +/- 0.07, and SD+D- = -0.54 +/- 0.34 +/- 0.06, where the first uncertainty is statistical and the second is systematic.
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: | 17 August 2007 | ||||
Dates: |
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Volume: | Vol.99 | ||||
Number: | No.7 | ||||
Number of Pages: | 7 | ||||
Page Range: | Article: 071801 | ||||
DOI: | 10.1103/PhysRevLett.99.071801 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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