Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC

Teresa Fonseca Martin, Antonio Ereditato, Andreas Battaglia, Cyril Topfel, Michael Weber, Collaboration ATLAS, Claudia Borer, Valentina Gallo, Lucian Ancu, Sonja Kabana, Basil Schneider, Marco Agustoni, Hans Peter Beck, Sigve Haug, Klaus-Peter Pretzl & Tobias Kruker
The uncertainty on the calorimeter energy response to jets of particles is derived for the ATLAS experiment at the Large Hadron Collider (LHC). First, the calorimeter response to single isolated charged hadrons is measured and compared to the Monte Carlo simulation using proton-proton collisions at centre-of-mass energies of root s = 900 GeV and 7 TeV collected during 2009 and 2010. Then, using the decay of K-s and Lambda particles, the calorimeter response to specific...
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