Searching for Uncovered and Unexpected New Physics Signatures at the Energy Frontier
by
48/1-112C/D - Redwood C/D
SLAC
The Higgs boson was the last predicted particle in the Standard Model (SM), and its 2012 discovery with the Large Hadron Collider (LHC) was a groundbreaking achievement for high energy physics. Remaining puzzles such as dark matter and fine tuning in the Higgs mass motivate the existence of beyond the SM physics, but determining its nature presents a new kind of challenge. To make the next discovery, the Higgs boson must be leveraged as a compass for where to look. Coupled with the latest advances in data analysis methods and machine learning, this strategy can open up prospects for novel searches in difficult or uncovered phase space.
This talk focuses on the search program of the ATLAS experiment at the LHC and how it can be expanded in these new directions, specifically with the examples of long-lived particles and anomaly detection for hadronic resonances. The High Luminosity LHC, the corresponding ATLAS detector upgrade, and studies for next-generation colliders are all crucial for the longevity of these efforts. These topics and the future of this program are discussed in the context of cross-field collaboration and the role SLAC has to play in the continued success of the field, together ensuring that no stone is left unturned in the search for new fundamental physics.
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