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CONF-03/022 Measurement of sin2beta+gamma in fully reconstructed B->D(*)pi decays
Doc Type Conference Submissions
Record Created July 28, 2003
SLAC-PUB
SLAC-PUB-10103  No citations
Preprint # hep-ex/0308018
Topic constraints on sin2b+g from the measurement of CP-violating asymmetries in B0->D(*)pi decays
Abstract
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We present a preliminary measurement of time-dependent \CP-violating asymmetries
 in
fully reconstructed $\Bz{\to}D^{(*)\pm}\pi^{\mp}$ decays in a data sample of
approximately 88 million \Y4S $\to$ \BB decays collected with the \babar\ detect
or at the PEP-II asymmetric-energy $B$ factory at SLAC.
We interpret the results in terms of the angles of the
Cabibbo-Kobayashi-Maskawa unitarity triangle, and
set the bound $|\sin(2\beta+\gamma)|>0.69$ at 68$\%$ confidence
level. We exclude $\sin(2\beta+\gamma) = 0$ at 83$\%$ confidence level.
Revisions and Files 1 revised July 28, 2003
File Date
Thumbnails
File Name File Type File Format File Size (Kb) Comments
13-AUG-2003 abstract.txt Abstract txt 0.53
08-AUG-2003 conf-03-022.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 198.43 conference paper as uploaded on hep-ex
19-AUG-2003 conf-03-022.ps.gz Paper (journal paper or conference submission by BABAR Collaboration) ps.gz 173.90 conference paper
04-AUG-2003 dt4.eps Figure or plot eps 50.44 DeltaT distributions and fit results for the lepton category
04-AUG-2003 limit.eps Figure or plot eps 15.78 Chi2 vs sin2bg and CL curve
04-AUG-2003 max 1.eps Figure or plot eps 9.94 feynman diagram for D0~ -> D+ pi-
04-AUG-2003 max 2.eps Figure or plot eps 9.87 feynman diagram for D0 -> D+ pi-
04-AUG-2003 mes.eps Figure or plot eps 39.57 Mes distribution for fully reco candidates
Submitted To2003 International Europhysics Conference on High Energy Physics
Submitted To2003 International Symposium on Lepton and Photon Interactions at High Energies
Categories
  • AWG: Breco