Complete NNLO QCD Analysis of B -> X_s l^+ l^- and Higher Order Electroweak Effects
We complete the next-to-next-to-leading order QCD calculation of the branching ratio for B -> X_s l^+ l^- including recent results for the three-loop anomalous dimension matrix and two-loop matrix elements. These new contributions modify the branching ratio in the low-q^2 region, BR_ll, by ab...
Asıl Yazarlar: | Bobeth, C, Gambino, P, Gorbahn, M, Haisch, U |
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Materyal Türü: | Journal article |
Baskı/Yayın Bilgisi: |
2003
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