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We investigate logarithmically enhanced electromagnetic corrections of allangular observables in inclusive B -> X_s l^+ l^-. We present analyticalresults, which are supplemented by a dedicated Monte Carlo study on thetreatment of collinear photons in order to determine the size of theelectromagnetic logarithms. We then give the Standard Model predictions of allobservables, considering all available NNLO QCD, NLO QED and power corrections,and investigate their sensitivity to New Physics. Since the structure of thedouble differential decay rate is modified in the presence of QED corrections,we also propose new observables which vanish if only QCD corrections are takeninto account. Moreover, we study the experimental sensitivity to these newobservables at Belle II.

Inclusive B -> X_s l^+ l^-: Complete angular analysis and a thorough study of collinear photons