Abstract
Using the CLEO detector at the Cornell Electron Storage Ring, we have performed a direct measurement of the ratio of D0 semileptonic branching fractions into vector and pseudoscalar final states. We find B(D0K*-e+e)B(D0K-e+e)=0.510.180.06, in agreement with the ratio derived by the E691 experiment which compares D+ and D0 final states. We also set an upper limit on the ratio B(D0*0-e+e)B(D0K*-e+e)<0.64 at 90% confidence level.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3394-3401 |
| Number of pages | 8 |
| Journal | Physical Review D |
| Volume | 44 |
| Issue number | 11 |
| DOIs | |
| State | Published - 1991 |
| Externally published | Yes |
ASJC Scopus subject areas
- Nuclear and High Energy Physics