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Title

Search for the flavor-changing neutral current decay D0→μ+μ- in pp collisions at s√=1.96TeV

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / D'Onofrio, Monica / Liu, Yanwen / Wu, Xin / Zsenei, Andras
Published in Physical Review. D. 2003, vol. 68, no. 09, p. 091101
Abstract We report on a search for the flavor-changing neutral current decay D0→μ+μ- in pp¯ collisions at s√=1.96TeV using 65pb-1 of data collected by the CDF II experiment at the Fermilab Tevatron Collider. A displaced-track trigger selects long-lived D0 candidates in the D0→μ+μ- search channel, the kinematically similar D0→π+π- channel used for normalization, the Cabibbo-favored D0→K-π+ channel used to optimize the selection criteria in an unbiased manner, and their charge conjugates. Finding no signal events in the D0→μ+μ- search window, we set an upper limit on the branching fraction B(D0→μ+μ-)<~2.5×10-6 (3.3×10-6) at the 90% (95%) confidence level.
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CDF COLLABORATION. Search for the flavor-changing neutral current decay D0→μ+μ- in pp collisions at s√=1.96TeV. In: Physical Review. D, 2003, vol. 68, n° 09, p. 091101. https://archive-ouverte.unige.ch/unige:38048

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Deposited on : 2014-06-24

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