Exact $α_s$ Calculation of $b\rightarrow s + γ$, \ $b\rightarrow s + g$

Details Exact $α_s$ Calculation of $b\rightarrow s + γ$, \ $b\rightarrow s + g$ Exact $α_s$ Calculation of $b\rightarrow s + γ$, \ $b\rightarrow s + g$

1993-08-27

arxiv.org/abs/hep-ph/9308349v1

Phys.Rev. D49 (1994) 4945-4948

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages (plain TeX), 2 postscript figures available upon request. UM-TH-93-20 , IP-ASTP-29-93

Scientific paper

10.1103/PhysRevD.49.4945

We present an exact $\alpha_s$ calculation of the Wilson coefficients
associated with the dipole moment operators. We also give an estimate of the
branching ratio for $b\rightarrow s \gamma$. We find that higher dimensional
effects are under control within $9\%$ for $BR(b\rightarrow s \gamma)=(4.3\pm
0.37 )\times 10^{-4}$.

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