PoS - Proceedings of Science
Volume 321 - Sixth Annual Conference on Large Hadron Collider Physics (LHCP2018) - Posters
Long-Lived Particles at HL-LHC with the ATLAS detector
C.D. Sebastiani*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: October 15, 2018
Published on: December 21, 2018
Several new physics models that extend the Standard Model require the existence of Long-Lived Particle (LLP) as a solution for the problems like Dark Matter and Naturalness. The ATLAS Phase-II upgrade detector and the expected large data set from high luminosity LHC upgrade offers an opportunity to probe the yet unexplored region of the phase space. For muon spectrometer based searches, neutral LLP decaying to collimated jets of leptons and light hadrons (lepton-jets) are of great interest. These particles offer an unique signature that can lead to an early discovery. New triggering techniques and algorithm have been developed and studied to improve the selection of highly boosted lepton-jets.
DOI: https://doi.org/10.22323/1.321.0080
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