Searching in (the) dark and new directions at the Large Hadron Collider

Oliver Stelzer-Chilton, TRIUMF
Location: Online

Friday, 14 January 2022 02:30PM PST

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It is an interesting time in particle physics. On the one hand the discovery of the Higgs boson at the LHC has been a tremendous success for consolidating the Standard Model. On the other hand, many questions remain unanswered. Why is the Higgs boson mass so light and where is the “new physics” we expect at the TeV scale? Can we produce dark matter at colliders and is the Higgs boson somehow connected to the dark sector? Recent results from LHCb and other experiments measuring decays of b-quarks show hints of possible lepton flavour universality violation. What does this imply for the search program at ATLAS? During Run 2 of the LHC, the ATLAS experiment has collected an unprecedented sensitive dataset to answer many of these questions. In this talk, I will discuss some of the highlights of the new results released by ATLAS so far in the areas listed above. I will also give a brief outlook on what’s in store for Run 3 starting next year and beyond.