Standalone vertex finding in the ATLAS muon spectrometer
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KünyeADD, G., ABAJYAN, T., ABBOTT, B., ABDALLAH, J., KHALEK, S.A., ABDINOV, O., ATLAS Collaboration. (2014). Standalone vertex finding in the ATLAS muon spectrometer. Journal of Instrumentation, Volume 9, 38p. http://dx.doi.org/10.1088/1748-0221/9/02/P02001.
A dedicated reconstruction algorithm to find decay vertices in the ATLAS muon spectrometer is presented. The algorithm searches the region just upstream of or inside the muon spectrometer volume for multi-particle vertices that originate from the decay of particles with long decay paths. The performance of the algorithm is evaluated using both a sample of simulated Higgs boson events, in which the Higgs boson decays to long-lived neutral particles that in turn decay to b (b) over bar final states, and pp collision data at root s = 7 TeV collected with the ATLAS detector at the LHC during 2011.