We report on a search for the rare decay (B) over bar (0)-> D(*0)gamma, which in the standard model is dominated by W-exchange. The analysis is based on a data sample comprising 87.8x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. No significant signal is observed, and an upper limit on the branching fraction of 2.5x10(-5) at the 90% confidence level is obtained.
Titolo: | Search for the rare decay (B)over-bar(0)-> D-*0 gamma RID C-2728-2008 RID C-5223-2009 RID C-5719-2008 RID D-1055-2009 RID A-2675-2009 | |
Autori: | ||
Data di pubblicazione: | 2005 | |
Rivista: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevD.72.051106 | |
Handle: | http://hdl.handle.net/11384/7306 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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