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Two-Loop Relations for Heavy-Quark Parameters in the Shape-Function Scheme
Matthias Neubert
Moments of the renormalized B-meson shape function provide a natural way to define short-distance, running heavy-quark parameters such as the b-quark mass and kinetic energy. These…
Impact of Four-Quark Shape Functions on Inclusive B Decay Spectra
Matthias Neubert
It has recently been pointed out that a new class of subleading shape functions involving B-meson matrix elements of non-local four-quark operators contributes at order Lambda_{QCD…
Subleading Shape Functions in Inclusive B Decays
Stefan W. Bosch, Matthias Neubert, Gil Paz
The contributions of subleading shape functions to inclusive decay distributions of B mesons are derived from a systematic two-step matching of QCD current correlators onto soft-co…
Soft-Collinear Factorization and the Calculation of the B->Xs+gamma Rate
Matthias Neubert
Using results on soft-collinear factorization for inclusive B-meson decay distributions, a systematic study of the partial B->Xs+gamma decay rate with a cut E_gamma<E_0 on photon e…
Renormalization-Group Improved Calculation of the B->Xs+gamma Branching Ratio
Matthias Neubert
Using results on soft-collinear factorization for inclusive B-meson decay distributions, a systematic study of the partial decay rate with a cut on photon en…
The Physics Case for an e^+ e^- Super B-Factory
Matthias Neubert
I share some personal reflections about the physics potential and the physics case that can be made for an e^+ e^- high-luminosity B-meson factory, as presented in my summary talk…