Towards $B\to V\gamma$ Decays at NNLO in SCET

Ahmed Ali, Ben D. Pecjak, Christoph Greub

We compute NNLO ($\mathcal{O}({\alpha }_s^2)$) corrections to the hard-scattering kernels entering the QCD factorization formula for $B\to V\gamma$ decays, where $V$ is a light vector meson. We gi…