Search for heavy long-lived multi-charged particles in pp collisions at root s = 8 TeV using the ATLAS detector
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KünyeAad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M. ... ATLAS Collaboration. (2015). Search for heavy long-lived multi-charged particles in pp collisions at root s = 8 TeV using the ATLAS detector. European Physical Journal C, 75(8), 1-23. http://dx.doi.org/10.1140/epjc/s10052-015-3534-2
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-1are 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.