A Study of D*+ pi- production in semileptonic B decay

, ALEPH Collaboration (1995) A Study of D*+ pi- production in semileptonic B decay. Physics Letters B, 345 (1). pp. 103-114. ISSN 0370-2693

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In a sample of 1.5 million hadronic decays of the Z collected by the ALEPH detector, a search is carried out for the decays and . The product branching ratio for D10 production is measured to be , and a 95% confidence level limit of is obtained for D2∗0 production. A topological search sensitive to the processes above, but also to wide resonances that decay to and to non-resonant production is also carried out, yielding . Direct evidence of D∗π production inconsistent with D10 and D2∗0 in semileptonic B decay is presented.

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Journal Article
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Physics Letters B
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08 May 2013 15:53
Last Modified:
01 Jan 2022 11:08