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

ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Fonseca Martin, Teresa; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Pretzl, Klaus-Peter; Schneider, Basil; Topfel, Cyril; Weber, Michael (2013). Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC. European physical journal. C - particles and fields, 73(3), p. 2305. EDP Sciences 10.1140/epjc/s10052-013-2305-1

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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 types of particles (positively and negatively charged pions, protons, and anti-protons) is measured and compared to the Monte Carlo predictions. Finally, the jet energy scale uncertainty is determined by propagating the response uncertainty for single charged and neutral particles to jets. The response uncertainty is 2-5 % for central isolated hadrons and 1-3 % for the final calorimeter jet energy scale.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP)
10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)

UniBE Contributor:

Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Fonseca, Maria; Gallo, Valentina; Haug, Sigve; Kruker, Tobias; Pretzl, Klaus-Peter; Schneider, Basil; Topfel, Cyril and Weber, Michael

Subjects:

500 Science > 530 Physics

ISSN:

1434-6044

Publisher:

EDP Sciences

Language:

English

Submitter:

Andrea Stettler

Date Deposited:

02 Sep 2014 15:36

Last Modified:

19 Mar 2019 10:01

Publisher DOI:

10.1140/epjc/s10052-013-2305-1

Web of Science ID:

000318290600002

ArXiv ID:

1203.1302v1

Additional Information:

Kollaboration - Es sind nur die Berner Autoren namentlich erwähnt

BORIS DOI:

10.7892/boris.58420

URI:

https://boris.unibe.ch/id/eprint/58420

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