Search for rare and forbidden charm meson decays at Fermilab E791
Conference
·
OSTI ID:764140
- Fermilab
The authors report the results of a blind search for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D{sup +}, D{sub s}{sup +}, and D{sup 0} mesons (and their antiparticles) into modes containing muons and electrons. Using data from Fermilab charm hadroproduction experiment E791, they examine the {pi}{ell}{ell} and K{ell}{ell} decay modes of D{sup +} and D{sub s}{sup +} and the {ell}{sup +}{ell}{sup {minus}} decay modes of D{sup 0}. No evidence for any of these decays is found. Therefore, they 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.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 764140
- Report Number(s):
- FERMILAB-Conf-00/223-E
- Country of Publication:
- United States
- Language:
- English
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