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CONF-07/005 Measurement of the Time-Dependent CP Asymmetry in B0 -> K*0 gamma Decays
Doc Type Conference Submissions
Record Created July 20, 2007
SLAC-PUB
SLAC-PUB-12732  No citations
Preprint # 0708.1614 [hep-ex]
Abstract
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We present a preliminary measurement of the time-dependent CP
asymmetry in B0 --> K*0 (K_S0 pi0) gamma decays based on 431 x 10^6
Upsilon(4S) --> BBbar decays collected with the BaBar detector at the PEP-II
asymmetric-energy e+e- collider at SLAC. In a sample containing 
316 +/- 22 signal events we measure S_{K* gamma} = -0.08 +/- 0.31 +/- 0.05 
and C_{K* gamma} = -0.15 +/- 0.17 +/- 0.03. The uncertainties are
statistical and systematic, respectively.

Revisions and Files 1 revised July 20, 2007
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Thumbnails
File Name File Type File Format File Size (Kb) Comments
13-AUG-2007 abstract.txt Abstract txt 0.45
13-AUG-2007 babar-conf-07005.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 165.20
13-AUG-2007 babar-conf-07005.ps.gz Paper (journal paper or conference submission by BABAR Collaboration) ps.gz 186.97
13-AUG-2007 fig01a.eps Figure or plot eps 19.09 An sPlot of the signal shape in mES.
13-AUG-2007 fig01b.eps Figure or plot eps 15.99 An sPlot of the signal shape in DeltaE.
13-AUG-2007 fig02.eps Figure or plot eps 24.18 sPlots of the signal shape in delta-t for B0 and B0bar tags, and the asymmetry.
Submitted To2007 Lepton-Photon 2007
Date SubmittedAugust 12, 2007
Categories
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