Abstract
We report a new measurement of the Cabibbo-Kobayashi-Maskawa parameter [Formula presented] made with a sample of [Formula presented] [Formula presented] events collected with the CLEO II detector. Using heavy quark theory, we combine the observed yield of leptons from semileptonic [Formula presented] decay in the end-point momentum interval [Formula presented] with recent CLEO II data on [Formula presented] to find [Formula presented], where the first two uncertainties are experimental and the last two are from theory.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 5 |
| Number of pages | 1 |
| Journal | Physical review letters |
| Volume | 88 |
| Issue number | 23 |
| DOIs | |
| State | Published - 2002 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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