PhD defense by Simon Heisterkamp – University of Copenhagen

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PhD defense by Simon Heisterkamp

R-Hadron Search at ATLAS

In this thesis I motivate and present a search for long lived massive R-hadrons using the data collected by the ATLAS detector in 2011. Both ionisation- and time-of-flight-based methods are described. Since no signal was found, a lower limit on the mass of such particles is set. The analysis was also published by the ATLAS collboration in Phys.Lett.B. titled `Searches for heavy long-lived sleptons and R-Hadrons with the ATLAS detector.