Addendum: Towards next-to-next-to-leading-log accuracy for the width difference in the Bs-Bs system: fermionic contributions to order (mc/mb)0 and (mc/mb)1
Abstract
We calculate the three-loop master integrals of Ref. [1] [arXiv:1709.02160] in analytic form. This allows us to present the fermionic contributions to the B=2 Wilson coefficients of the B- B decay matrix in next-to-next-to-leading order of QCD with full analytic dependence on the mass of the charm quark in the fermionic loops.
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