Speaker
Manuel Egner
Description
The decay of B mesons can be predicted within the Heavy Quark Ex-
pansion as the decay of a free bottom quark plus corrections which are
suppressed by powers of 1/𝑚𝑏. This talk will describe the calculation
of the NNLO corrections to nonleptonic decays of a free bottom quark
including charm quark mass effects. In particular we will describe
challenges in connection to the computation of master integrals, the
renormalization of the effective Hamilton operator and the problems
which arise from calculating traces with $\gamma_5$ in $d \neq 4$ dimensions.
Primary author
Manuel Egner
