Prospects for disentangling long- and short-distance effects in the decays $B\to K^* \mu^+\mu^-$

Understand

Theory uncertainties on non-local hadronic effects limit the New Physics discovery potential of the rare decays $B\to K^*\mu^+\mu^-$.

• We investigate prospects to disentangle New Physics effects in the short-distance coefficients from these effects.
• Our approach makes use of an event-by-event amplitude analysis, and relies on the state of the art parametrisation of the non-local contributions.
• We find that non-standard effects in the short-distance coefficients can be successfully disentangled from non-local hadronic effects.