# The geoSMEFT and some applications

#### The geoSMEFT and some applications

- Event time: 2:00pm until 3:00pm
- Event date: 15th December 2021
- Speaker: Dr Tyler Corbett (Niels Bohr Institute)
- Location: Higgs Centre Seminar Room, Room 4305, James Clerk Maxwell Building (JCMB) James Clerk Maxwell Building Peter Guthrie Tait Road Edinburgh EH9 3FD GB

### Event details

The Standard Model Effective Field Theory (SMEFT) is one of the most promising tools for precision based discoveries at the LHC. Calculations in the SMEFT are often fraught with inconsistencies in the power counting expansion. The recent geometric reformulation of the SMEFT (geoSMEFT) allows us to perform calculations at NLO in the SMEFT expansion, and in many cases all orders in the SMEFT expansion. In this talk I will introduce the basic idea behind effective field theories, discuss the SMEFT and its use at the LHC, and demonstrate how the geoSMEFT is formulated. I'll then demonstrate some of the recent applications of the geoSMEFT and discuss how it may help elucidate the theory error associated with the truncation of the SMEFT expansion.

#### Event resources

### About Particle Physics Theory seminars

The Particle Physics Theory seminar is a weekly series of talks reflecting the diverse interests of the group. Topics include analytic and numerical calculations based on the Standard Model of elementary particle physics, theories exploring new physics, as well as more formal developments in gauge theories and gravity..