Search for the decays Bd0→γγ and Bs0→γγ

Acciarri, M. ; Adam, A. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1995) Search for the decays Bd0→γγ and Bs0→γγ Physics Letters B, 363 (1-2). pp. 137-144. ISSN 0370-2693

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A search for the decays Bd,s0 →γγ in 2.95 million hadronic Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: Br(Bd0→γ)<3.9×10−5 and Br(Bs0 →γγ) < 14.8 × 10−5 at 90% CL. These are the first limits set on these exclusive rare decays.

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Deposited On:21 Feb 2012 12:45
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