Flavour Physics Beyond the Standard Model with the SMEFT Likelihood

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• Peter Stangl (CERN)
• Friday 07 February 2025, 16:00-17:00
• MR19 (Potter Room, Pavilion B), CMS.

If you have a question about this talk, please contact Nico Gubernari.

New physics beyond the Standard Model (SM) is needed to address open questions within the SM and to explain experimental observations that the SM cannot account for. While direct searches at the Large Hadron Collider have reached their energy limit without finding particles beyond the SM (BSM), precision measurements, in particular those in flavour physics, probe energy scales far beyond the reach of direct searches. In this talk I will discuss how measurements of flavour and other precision observables, combined with Effective Field Theory (EFT) methods, can be used to indirectly search for heavy BSM particles. I will present a likelihood function in the Standard Model EFT (SMEFT) that includes a large number of flavour observables, and show how it can be applied to the flavour phenomenology of BSM models.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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