Publication: Search for Heavy Long-Lived Multi-Charged Particles in Pp Collisions at √s= 8 TeV Using the ATLAS Detector
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2015
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Springer Nature
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ATLAS Collaboration. 2015. “Search for Heavy Long-Lived Multi-Charged Particles in Pp Collisions at √s= 8 TeV Using the ATLAS Detector.” The European Physical Journal C 75 (8) (August). doi:10.1140/epjc/s10052-015-3534-2.
Abstract
A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2012 at √s= 8 TeV from pp collisions corresponding to an integrated luminosity of 20.3 fb−1 are examined. Particles producing anomalously high ionisation, consistent with long-lived massive particles with electric charges from |q|=2e to |q|=6e are searched for. No signal candidate events are observed, and 95 % confidence level cross-section upper limits are interpreted as lower mass limits for a Drell-Yan production model. The mass limits range between 660 and 785 GeV.
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