two gamma event

Ellis
Feb
2018

Sebastian Ellis

Effective Field Theory: Functional matching at 1-loop

Feb. 26, 2018

pdf file mp4 file

Abstract: As the LHC pushes the scale of possible new physics higher and we prepare to enter an era of high intensity and precision measurements, the benefits of using Effective Field Theory (EFT) as a framework for searching for new physics are clear. The effects of new physics are encapsulated in the Wilson coefficients of higher-dimensional operators, which are then constrained by a global fit to experimental data. We will discuss recent advances in calculating these coefficients by matching UV theories to EFT operators at 1-loop using functional methods, resulting in the "Universal One-Loop Effective Action" (UOLEA). In particular, we will discuss how to account for previously omitted contributions, and present applications. Finally, we will discuss the next steps towards a complete UOLEA.

Time: 1:30pm-2:30pm

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