{parallel}{ital V}{sub {ital ub}}{parallel} from exclusive {ital B} and {ital D} decays
- California Institute of Technology, Pasadena, California 91125 (United States)
We propose a model-independent method to determine the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element {parallel}{ital V}{sub {ital ub}}{parallel} from exclusive {ital B} and {ital D} decays. Combining information obtainable from {ital B}{r_arrow}{rho}l{bar {nu}}{sub l}, {ital B}{r_arrow}{ital K}{sup {asterisk}}{nu}{bar {nu}}, {ital D}{r_arrow}{rho}{bar l}{nu}{sub l}, and {ital D}{r_arrow}{ital K}{sup {asterisk}}{bar l}{nu}{sub l}, a determination of {parallel}{ital V}{sub {ital ub}}{parallel} is possible, with an uncertainty from theory of around 10{percent}. Theoretical uncertainties in the {ital B}{r_arrow}{ital K}{sup {asterisk}}l{bar l} decay rate are discussed. {copyright} {ital 1996 The American Physical Society.}
- Research Organization:
- California Institute of Technology
- DOE Contract Number:
- FG03-92ER40701
- OSTI ID:
- 284057
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 9 Vol. 53; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
Similar Records
Search for exclusive b{r_arrow}u semileptonic decays
{ital {rho}} -{ital {omega}} Mixing and Direct {ital CP} Violation in Hadronic {ital B} Decays