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v3.3.4
By the end of 2024, Run 3 of the LHC will be nearing its end, while the physics programme of Belle II will be well underway. The absence of clear signs of new physics (NP) emerging from high $p_T$ data motivates the belief that the latter is either much heavier than the electroweak scale or very light and weakly coupled to the Standard Model (SM). In turn, this suggests that an observation of NP in the near future, if any, is more likely to occur via indirect searches. Indeed, we may already be seeing hints of physics beyond the SM (BSM) in flavour observables based on the exclusive $b \to s \mu \mu$ and $b \to c \ell \nu$ transitions: while LHCb recently announced the disappearance of the $R_{K}$ anomaly, several other deviations persist, most notably $R_{D^{(\ast)}}$.
In the coming year, substantial experimental progress is expected on this front: most Run 2 results by LHCb should be available, along with several Belle II initial results and the long-awaited CMS results in $B$-physics. We, therefore, believe that 2024 is a good time to critically reflect on the status of flavour physics. In this scientific program, we aim at bringing together theorists and experimentalists working on flavour physics in order to discuss newly available data and their implications for physics in the SM and beyond.
On top of identifying which SM prediction should be improved and how to match current experimental precision, we plan to discuss possible NP directions (motivated by experiments and/or long-standing open questions) that could be probed using the newly available flavour data, with particular focus on the interplay between high- and low-energy searches. Ultimately, the goal is to identify concrete directions that the experimental and theoretical community could follow to make meaningful progress in the quest for NP.