Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/108177
Title: | A measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detector | Authors: | Santos, S. P. Amor dos Carvalho, J. Fiolhais, M. C. N. Galhardo, B. Veloso, F. Wolters, H. ATLAS Collaboration |
Issue Date: | 2017 | Publisher: | Springer Nature | Serial title, monograph or event: | European Physical Journal C | Volume: | 77 | Issue: | 1 | Abstract: | A measurement of the calorimeter response to
isolated charged hadrons in the ATLAS detector at the LHC
is presented. This measurement is performed with 3.2 nb−1
of proton–proton collision data at
√
s = 7 TeV from 2010
and 0.1 nb−1 of data at
√
s = 8 TeV from 2012. A number
of aspects of the calorimeter response to isolated hadrons
are explored. After accounting for energy deposited by neutral
particles, there is a 5% discrepancy in the modelling,
using various sets of Geant4 hadronic physics models, of
the calorimeter response to isolated charged hadrons in the
central calorimeter region. The description of the response
to anti-protons at low momenta is found to be improved
with respect to previous analyses. The electromagnetic and
hadronic calorimeters are also examined separately, and the
detector simulation is found to describe the response in the
hadronic calorimeter well. The jet energy scale uncertainty
and correlations in scale between jets of different momenta
and pseudorapidity are derived based on these studies. The
uncertainty is 2–5% for jets with transverse momenta above
2 TeV,where thismethod provides the jet energy scale uncertainty
for ATLAS. We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFWandFWF,Austria;ANAS, Azerbaijan; SSTC, Belarus;CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia;BMBF,HGF, and MPG, Germany;GSRT,Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZŠ, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario InnovationTrust, Canada;EPLANET, ERC, FP7,Horizon 2020 and Marie Skłodowska-Curie Actions, European Union; Investissements d’Avenir Labex and Idex, ANR, RégionAuvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), the Tier-2 facilities worldwide and large non-WLCG resource providers. Major contributors of computing resources are listed in Ref. [41]. |
URI: | https://hdl.handle.net/10316/108177 | DOI: | 10.1140/epjc/s10052-016-4580-0 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
Files in This Item:
This item is licensed under a Creative Commons License