Recent Searches for Exotic States & Physics Beyond the Standard Model

Antonio Boveia (Chicago Univ.)
Buildg. 28c, FLASH hall, 16.45 h

The Standard Model is our best description of nature at the very smallest length scales, the domain of particle physics. Since 1983 it has anticipated the results of nearly every particle physics experiment, including the recent discovery at the Large Hadron Collider (LHC) of a new particle with a mass of about 125 GeV strongly resembling the long-missing Higgs boson. Nevertheless, we strongly suspect the model is incomplete. For example, at and above galactic length scales, the model fails dramatically: it provides no explanation for gravity or for the inert dark matter that makes up most of the matter in the universe.

With the LHC now probing higher energies than ever before, chances of uncovering new phenomena that point toward a more complete underlying theory are better than ever. In this talk, I'll review some of the ongoing searches for Beyond-the-Standard-Model (BSM) phenomena at ATLAS Experiment at the LHC, discuss what the search results imply for possible explanations of dark matter and leading BSM theories, and comment on the prospects for the upcoming higher-energy, higher-luminosity run of the LHC.

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