BABAR Publications

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CONF-03/023 Observation of the Decay B0->rho+rho- and Measurement of the Branching Fraction and Polarization
Doc Type Conference Submissions
Record Created July 28, 2003
SLAC-PUB
SLAC-PUB-10093  No citations
Preprint # hep-ex/0308024
Abstract 
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We have observed the rare decay B0->rho+rho- in a sample of 89 million 
BBbar pairs recorded with the BABAR detector. We measure the branching 
fraction B(B0->rho+rho-)=(27+7-6+5-7)10^-6 and determine the 
longitudinal polarization fraction Gamma_L/Gamma=0.99+0.01-0.07+-0.03. 
Our results are preliminary.
Revisions and Files 2 revised August 8, 2003
File Date
Thumbnails		File Name File Type File Format File Size (Kb) Comments
09-AUG-2003 abstract.txt Abstract txt 0.30
09-AUG-2003 babar-conf-03023.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 219.59
09-AUG-2003 babar-conf-03023.ps Paper (journal paper or conference submission by BABAR Collaboration) ps 442.99
08-AUG-2003 fig01.eps Figure or plot eps 32.15 Two of the diagrams describing the decay B0->rho+rho-
08-AUG-2003 fig02.eps Figure or plot eps 7.00 Definition of helicity angles
08-AUG-2003 fig03a.eps Figure or plot eps 14.54 mES projection
08-AUG-2003 fig03b.eps Figure or plot eps 14.77 deltaE projection
08-AUG-2003 fig03c.eps Figure or plot eps 14.77 m(pi+pi0) projection
08-AUG-2003 fig03d.eps Figure or plot eps 14.82 m(pi-pi0) projection
08-AUG-2003 fig03e.eps Figure or plot eps 14.71 cos(theta1) projection
08-AUG-2003 fig03f.eps Figure or plot eps 14.67 cos(theta2) projection
1 revised July 28, 2003
no files
Submitted To2003 International Symposium on Lepton and Photon Interactions at High Energies