Mainz 2014 – scientific programme

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T: Fachverband Teilchenphysik

T 97: Eingeladene Vorträge 3

T 97.4: Semi-Invited Talk

Thursday, March 27, 2014, 15:15–15:45, RW 1

Exploring electroweak gauge boson self-couplings in vector boson fusion, scattering and multi-boson production — •Anja Vest — Technische Universität Dresden

Today’s Standard Model of particle physics (SM) has been confirmed in numerous experiments over the past decades. The recent discovery of the Higgs boson at the Large Hadron Collider (LHC) could possibly complete our understanding of the SM of electroweak interactions. Since the scattering amplitude of longitudinally polarized W bosons is unitarized by the Higgs mechanism, measurements of vector boson scattering processes, in particular WW scattering, at highest energies are needed to gain confidence about the validity of the Higgs mechanism. These measurements also allow for a test for the presence of additional non-SM interactions, complementary to direct searches of new physics beyond the SM.

The recent run of the LHC provides sufficient data to study triple and quartic electroweak gauge boson self-couplings. In this presentation I will discuss the exploration of gauge boson self-couplings via precise measurements of vector boson fusion, scattering and multi-boson production processes at the LHC.