Radiative decay B → lνγ in the light cone QCD approach
نویسندگان
چکیده
منابع مشابه
Radiative decay B → lνγ in the light cone QCD approach
We calculate the rate for the decay Bu → lνγ using the light cone QCD sume rules. We find Br(Bu → lνγ) ≃ 2 · 10. The results are used to test the applicability of the constituent quark model approximation to the same process.The latter estimate is proportional to 1/mu, where mu ≃ Λ̄u is the ”constituent quark mass”, indicating that the process is of long distance type. We find that the two appro...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1995
ISSN: 0370-2693
DOI: 10.1016/0370-2693(95)01088-8