Journal
PHYSICAL REVIEW LETTERS
Volume 86, Issue 18, Pages 3969-3972Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.86.3969
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We report results of a search for flavor-changing neutral current (FCNC), lepton flavor, and lepton number violating decays of the D-0 (and its antiparticle) into three and four bodies. Using data from Fermilab charm hadroproduction experiment E791, we examine modes with two leptons (muons or electrons) and a rho (0), (K) over bar (*0) or phi vector meson or a nonresonant pi pi, K pi, or KK pair of pseudoscalar mesons. No evidence for any of these decays is found. Therefore, we present branching-fraction upper limits at 90% confidence level for the 27 decay modes examined(18 new).
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