2000/10/01 by Fermilab E791 Collaboration, D. J. Summers, Summers, D. J.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Radioactive Decay and Measurement Techniques #hep-ex
paper · pdf · doi:10.48550/arxiv.hep-ex/0010002
XXXV Rencontre de Moriond, Electroweak (11-18 March 2000), UMS/HEP/2000-030, 7 pages, 4 figures, LaTeX
arxiv created 2000/10/01 · openalex publication_date 2000/10/01 · arxiv updated 2009/11/30 · openalex created_date 2022/10/01 · openalex updated_date 2026/08/01
We report the results of a blind search for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D+, D(s)+, and D0 mesons (and their antiparticles) into modes containing muons and electrons. Using data from Fermilab charm hadroproduction experiment E791, we examine the pi l l and K l l decay modes of D+ and D(s)+ and the l+ l- decay modes of D0. No evidence for any of these decays is found. Therefore, we present branching-fraction upper limits at 90% confidence level for the 24 decay modes examined. Eight of these modes have no previously reported limits, and fourteen are reported with significant improvements over previously published results.