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Factorization, the light-cone distribution amplitude of the B-meson and the radiative decay $B \to \gamma l \nu_{l}$
We study the radiative decay B -> gamma l nu_l in the framework of QCD factorization. We demonstrate explicitly that, in the heavy-quark limit and at one-loop order in perturbation theory, the amplitude does factorize, i.e. that it can be written as a convolution of a perturbatively calculable ha...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(02)01066-0 http://cds.cern.ch/record/581860 |