Investigation of top mass measurements with the ATLAS detector at LHC
I. Borjanovic, I. Efthymiopoulos, F. Fassi, P. Grenier, P. Homola, V., Kostioukhine, R. Leitner, I. Mendas, D. Pallin, D. Popovic, P. Roy, V. Simak,, L. Simic, G. Skoro, J. Valenta
TL;DR
This paper reviews various methods for measuring the top quark mass with the ATLAS detector at the LHC, emphasizing new techniques to reduce systematic uncertainties and aiming for a total error around 1 GeV.
Contribution
It introduces new methods to control detector-related systematic uncertainties in top mass measurements at the LHC.
Findings
Potential to achieve ~1 GeV total error in top mass measurement
All dominant decay channels of the top quark are explored
Systematic uncertainties are the main limiting factor
Abstract
Several methods for the determination of the mass of the top quark with the ATLAS detector at the LHC are presented. All dominant decay channels of the top quark can be explored. The measurements are in most cases dominated by systematic uncertainties. New methods have been developed to control those related to the detector. The results indicate that a total error on the top mass at the level of 1 GeV should be achievable.
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