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Rare and Forbidden Decays of D Mesons | | David A. Sanders
; et al.
; Fermilab E791 Collaboration
; | | Date: |
15 May 2001 | | Subject: | hep-ex | | Abstract: | We summarize the results of two recent searches for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D+, Ds, and D0 mesons (and their antiparticles) into modes containing muons and electrons. Using data from Fermilab charm hadroproduction experiment E791, we examined D+ and Ds pi,l,l and K,l,l decay modes and the D0 dilepton decay modes containing either l+,l-, a rho0, K*0, or phi vector meson, or a non-resonant pi,pi, K,pi, or K,K pair of pseudoscalar mesons. No evidence for any of these decays was found. Therefore, we presented branching-fraction upper limits at 90% confidence level for the 51 decay modes examined. Twenty-six of these modes had no previously reported limits, and eighteen of the remainder were reported with significant improvements over previously published results. | | Source: | arXiv, hep-ex/0105028 | | Services: | Forum | Review | PDF | Favorites | |
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