BABAR Publications

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CONF-06/032 Search for the rare decay B -> pi l+ l-
Doc Type Conference Submissions
Record Created July 10, 2006
SLAC-PUB
SLAC-PUB-11994  No citations
Preprint # hep-ex/0607048
Comments 20 pages, 7 postscript figues, submitted to ICHEP2006
Abstract
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We present results of a search for the rare flavor-changing neutral-current decay B --> pi l+ l-, based on a data sample corresponding to 209 fb-1 of integrated luminosity collected with the BABAR detector at the PEP-II B Factory. We reconstruct the four exclusive B decay modes B+ --> pi+ l+ l- and B0 --> pi0 l+ l-, where l is either an e or mu. We find no evidence for a signal, and we obtain the upper limit at 90% confidence level on the lepton-flavor--averaged branching fraction to be BF(B+ --> pi+ l+ l-) = 2 x tau_B+/tau_B0 x BF(B0 --> pi0 l+ l-) < 7.9 x 10-8. We also obtain an upper limit at 90% confidence level on the lepton-flavor--violating decay B --> pi e mu of BF(B --> pi e mu ) < 9.8 x 10-8.
Revisions and Files 1 revised July 10, 2006
File Date
Thumbnails
File Name File Type File Format File Size (Kb) Comments
24-JUL-2006 abstract.txt Abstract txt 0.70
24-JUL-2006 babar-conf-0632.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 268.02
24-JUL-2006 babar-conf-0632.ps.gz Paper (journal paper or conference submission by BABAR Collaboration) ps.gz 240.65
24-JUL-2006 fig01.eps Figure or plot eps 9.59
24-JUL-2006 fig02a.eps Figure or plot eps 21.24
24-JUL-2006 fig02b.eps Figure or plot eps 27.06
24-JUL-2006 fig03.eps Figure or plot eps 55.25
24-JUL-2006 fig04.eps Figure or plot eps 30.03
24-JUL-2006 fig05a.eps Figure or plot eps 20.30
24-JUL-2006 fig05b.eps Figure or plot eps 12.63
Submitted To2006 International Conference on High Energy Physics (ICHEP'06)
Date SubmittedJuly 24, 2006
Categories
  • AWG: Radiative Penguins