SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 102: Invited Topical Talks III-B

T 102.3: Invited Topical Talk

Thursday, March 23, 2023, 14:40–15:00, HSZ/0004

Higgsino Hunting at ATLAS — •Michael Holzbock — Max Planck Institut für Physik, München, Germany

Supersymmetry (SUSY) remains one of the best motivated candidates for physics beyond the Standard Model (SM) and predicts a new partner for each SM particle. The higgsino, the SUSY partner of the Higgs SM boson, has always been of particular interest due to its connection with the hierarchy problem and as a promising Dark Matter candidate when realized with masses near the weak scale. Intriguingly, (nearly) pure higgsino states can still escape the current constraints from colliders and direct Dark Matter searches, and hence they remain a prime target for new physics searches at the LHC.

In this talk the motivation and experimental challenges for higgsino searches at the LHC are reviewed, and the current results from ATLAS discussed. Finally, new techniques developed for accessing so far unprobed phase space in the search for higgsinos at the LHC are introduced.