Seminars/Colloquia

Garchinger Maier-Leibnitz-Kolloquium: Electric dipole moments at one-loop order in the Standard Model effective field theory

by Dr Elena Venturini (Physik Department T75, TUM)

Europe/Berlin
Lecture hall, ground floor west (Campus Garching, LMU building, Am Coulombwall 1)

Lecture hall, ground floor west

Campus Garching, LMU building, Am Coulombwall 1

Description

Electric dipole moments (EDMs) constitute a set of low-energy observables which are extremely sensitive to physics beyond the Standard Model. This is due to the fact that, as a consequence of their CP violating nature, EDMs are very strongly suppressed within the Standard Model and are far below current experimental reach, while contributions to EDMs coming from new CP violating physics are typically unsuppressed. On the other hand, the experimental sensitivity, in particular to the electron and neutron EDMs, has recently improved by one order of magnitude and is going to further increase in the near future.
In this colloquium I will discuss the tree-level and one-loop contributions to lepton and neutron EDMs, in the Standard Model effective field theory, up to the dimension-six level. I will present the bounds induced on the different Wilson coefficients and on the new physics scale by the experimental constraints, showing the power of these observables in probing physics beyond the Standard Model.

For whom it is not possible to join in person (being the recommended participation mode), a remote access via ZOOM will be provided:
               
https://lmu-munich.zoom.us/j/98457332925?pwd=TWc3V1JkSHpyOTBPQVlMelhuNnZ1dz09
Meeting ID: 984 5733 2925
Passcode: 979953

Organized by

Peter Thirolf (LMU) / Norbert Kaiser (TUM)