Complete NNLO QCD analysis of B̄ → Xsℓ +ℓ and higher order electroweak effects
We complete the next-to-next-to-leading order QCD calculation of the branching ratio for B̄ → Xsℓ+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-q2 region, BRℓℓ, by about +1% and -4%...
Main Authors: | Bobeth, C, Gambino, P, Gorbahn, M, Haisch, U |
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Format: | Journal article |
Language: | English |
Published: |
2004
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