Search for the decays B{sup 0}{yields}e{sup +}e{sup -}{gamma} and B{sup 0}{yields}{mu}{sup +}{mu}{sup -}{gamma}
Journal Article
·
· Physical Review. D, Particles Fields
- Laboratoire de Physique des Particules, IN2P3/CNRS et Universite de Savoie, F-74941 Annecy-Le-Vieux (France)
- Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona (Spain)
- Universita di Bari, Dipartimento di Fisica and INFN, I-70126 Bari (Italy)
- University of Bergen, Institute of Physics, N-5007 Bergen (Norway)
- Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720 (United States)
We present results of a search for the decays B{sup 0}{yields}l{sup +}l{sup -}{gamma} (l=e or {mu}). The search is performed using 320x10{sup 6} BB pairs collected at the {upsilon}(4S) resonance with the BABAR detector at the PEP-II B Factory at SLAC. We find no significant signal and set the following branching fraction upper limits at the 90% confidence level: B(B{sup 0}{yields}e{sup +}e{sup -}{gamma})<1.2x10{sup -7} and B(B{sup 0}{yields}{mu}{sup +}{mu}{sup -}{gamma})<1.6x10{sup -7}.
- OSTI ID:
- 21035665
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 1 Vol. 77; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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