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Search for Flavor-Changing Neutral Current and Lepton-Flavor Violating Decays of D[superscript 0]-->l+l-

Author(s)
Sciolla, Gabriella; Sekula, S. J.; Yamamoto, R. K.; Cowan, Ray F; Taylor, Frank E
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Alternative title
Search for Flavor-Changing Neutral Current and Lepton-Flavor Violating Decays of D0→l+l-
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
We report on a search for the flavor-changing neutral current decays D0→e+e- and D0→μ+μ-, and the lepton-flavor violating decay D0→e±μ∓. The measurement is based on 122  fb-1 of data collected by the BABAR detector at the SLAC PEP-II asymmetric e+e- collider. No evidence is found for any of the decays. The upper limits on the branching fractions, at the 90% confidence level, are 1.2×10-6 for D0→e+e-, 1.3×10-6 for D0→μ+μ-, and 8.1×10-7 for D0→e±μ∓.
Date issued
2004-11
URI
http://hdl.handle.net/1721.1/69820
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
B. Aubert et al. BABAR Collaboration. "Search for Flavor-Changing Neutral Current and Lepton-Flavor Violating Decays of D0→l+l-." Physical Review Letters 93, 191801 (2004) [7 pages]© 2004 The American Physical Society.
Version: Final published version
ISSN
0031-9007

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