Search for Heavy Long-Lived Multicharged Particles in Proton-Proton Collisions at √s =13 TeV using the ATLAS Detector
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American Physical Society
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Abstract
A search for heavy long-lived multicharged particles is performed using the ATLAS detector at the LHC. Data with an integrated luminosity of 36.1 fb⁻¹ collected in 2015 and 2016 from proton-proton collisions at √s=13 TeV are examined. Particles producing anomalously high ionization, consistent with long-lived massive particles with electric charges from |q|=2e to |q|=7e, are searched for. No events are observed, and 95% confidence level cross-section upper limits are interpreted as lower mass limits for a Drell-Yan production model. Multicharged particles with masses between 50 and 980-1220 GeV (depending on their electric charge) are excluded. ©2019 CERN, for the ATLAS Collaboration
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Ionization, Large Hadron Collider (France and Switzerland), Proton-proton interactions, Multicharged Particles (Nuclear physics)
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CC BY 4.0 (Attribution), ©2019 CERN, for the ATLAS Collaboration