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Evidence for penguin-diagram decays: First observation of B -> K*(892)gamma

dc.contributor.authorAmmar, Raymond G.
dc.contributor.authorBall, S.
dc.contributor.authorBaringer, Philip S.
dc.contributor.authorCoppage, Don
dc.contributor.authorCopty, N.
dc.contributor.authorDavis, Robin E. P.
dc.contributor.authorHancock, N.
dc.contributor.authorKelly, M.
dc.contributor.authorKwak, Nowhan
dc.contributor.authorLam, H.
dc.date.accessioned2007-04-14T10:05:17Z
dc.date.available2007-04-14T10:05:17Z
dc.date.issued1993-08
dc.identifier.citationAMMAR, R, BALL, S, et al. EVIDENCE FOR PENGUIN-DIAGRAM DECAYS - 1ST OBSERVATION OF B -] K-ASTERISK(892)GAMMA. PHYSICAL REVIEW LETTERS. August 1993. 71(5) : 674-678
dc.identifier.urihttp://hdl.handle.net/1808/1476
dc.description.abstractWe have observed the decays B0 --> K*(892)0gamma and B- --> K*(892)-gamma, which are evidence for the quark-level process b --> sgamma. The average branching fraction is (4.5 +/- 1.5 +/- 0.9) x 10(-5). This value is consistent with standard model predictions from electromagnetic penguin diagrams.
dc.language.isoen_US
dc.publisherAMERICAN PHYSICAL SOC
dc.titleEvidence for penguin-diagram decays: First observation of B -> K*(892)gamma
dc.typeArticle
dc.identifier.doi10.1103/PhysRevLett.71.674
dc.rights.accessrightsopenAccess


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