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hep-lat2024
Form factors for semileptonic B(s) -> D*(s) l nu_l decays
Anastasia Boushmelev, Matthew Black, Oliver Witzel
Semileptonic decays are of great phenomenological interest because they allow to extract CKM matrix elements or test lepton flavour universality. Taking advantage of exis…
hep-lat2024
Gradient Flow Renormalisation for Meson Mixing and Lifetimes
Matthew Black, Robert Harlander, Fabian Lange +3
Fermionic gradient flow in combination with the short-flow-time expansion provides a computational method where the renormalisation of hadronic matrix elements on the lattice can b…