HET seminar: Michail Paraskevas – University of Copenhagen

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Theoretical Particle Physics and Cosmology > Calendar > 2017 > HET seminar: Michail P...

HET seminar: Michail Paraskevas

Speaker: Michail Paraskevas

Title: Feynman Rules for the Standard Model Effective Field Theory in R_xi-gauges

Abstract: 
Assuming that New Physics effects can be parametrized within the Standard Model Effective Field Theory (SMEFT), written in a complete basis of gauge invariant operators up to dimension 6, the talk will focus on: i) the main steps necessary to obtain a consistent transition to the spontaneously broken theory, ii) important aspects of the theory, including the BRST-invariance of the SMEFT action for linear R_xi-gauges, iii) the Feynman Rules of the theory, expressed in a mass basis characterized by SM-like propagators.