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T: Fachverband Teilchenphysik

T 49: Eingeladene Vorträge III

T 49.1: Eingeladener Vortrag

Mittwoch, 27. März 2019, 14:00–14:30, H02

Higgs Boson Properties as a Window to New Physics — •Kathrin Becker — Albert-Ludwigs-Universität Freiburg

So far, direct searches at the LHC have not observed any hints for physics beyond the Standard Model. New physics outside the reach of direct searches can affect the properties of Standard Model particles at LHC energies. These deviations can be described using general approaches like effective field theories.

One of the most promising particles to look for these deviations is the Higgs boson. Additional couplings can affect kinematic distributions, like the transverse momentum of the Higgs boson or the angular difference of the two leading jets, or properties like its CP symmetry. In my presentation I will discuss different measurement approaches like differential and simplified template cross sections. Their aim is to maximise our knowledge about the Higgs boson with the currently available dataset and make interpretations in effective field theories and specific extensions of the Standard Model possible. Recent results from the ATLAS experiment are presented and discussed.