Published February 1, 1991 | Version v1
Journal article

Some Cabibbo-suppressed decays of the D0 meson

Creators

  • 1. Yale University, New Haven, Connecticut 06511
  • 2. University of Toronto, Toronto, Ontario, Canada M5S 1A7
  • 3. Universidade de Sao Paulo, Sao Paulo, BR-01498, Brazil
  • 4. Princeton University, Princeton, New Jersey 08544
  • 5. National Research Council, Ottawa, Ontario, Canada K1A 0R6
  • 6. University of Mississippi, University, Mississippi 38677
  • 7. Fermi National Accelerator Laboratory, Batavia, Illinois 60510
  • 8. University of Colorado, Boulder, Colorado 80309
  • 9. University of Cincinnati, Cincinnati, Ohio 45221
  • 10. Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro CEP 22290, Brazil
  • 11. Carleton University, Ottawa, Ontario, Canada K1S 5B6
  • 12. University of California, Santa Barbara, California 93106 (USA)

Description

Using data from the Fermilab photoproduction experiment E691, we have measured branching ratios for the Cabibbo-suppressed decays D0→ bar K 0K+π-, D0→K0K-π+, D0→K-K+π-π+, and D0→π+π+π-π-. The data show evidence for several quasi-two-body decays including D0→K*+K- and D0→ bar K *0K*0, but not D0→K*-K+. The relative rates of the charged decays indicates that final-state mesons containing virtual-W+-decay quarks are more likely to emerge as vector mesons than are those containing the spectator quarks. The high rate observed for D0→ bar K *0K*0 indicates that hadronic final-state interactions play a measurable role in charm decays

Additional details

Publishing Information

Journal Title
Physical Review, D
Journal Volume
43
Journal Issue
3
Series
Phys. Rev., D.
Journal Page Range
R635-R640
ISSN
0556-2821
CODEN
PRVDA