Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 763, Issue -, Pages 442-475Publisher
ELSEVIER
DOI: 10.1016/j.nima.2014.05.044
Keywords
Fermilab; DZero; DO; Tevatron Run II; Jet energy scale; Jet energy calibration
Categories
Funding
- DOE (USA)
- NSF (USA)
- CEA (France)
- CNRS/IN2P3 (France)
- MON (Russia)
- NRC KI (Russia)
- RFBR (Russia)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- FUNDUNESP (Brazil)
- DAE (India)
- DST (India)
- Colciencias (Colombia)
- CONACyT (Mexico)
- NRF (Korea)
- FOM (The Netherlands)
- STFC (United Kingdom)
- Royal Society (United Kingdom)
- MSMT (Czech Republic)
- GACR (Czech Republic)
- BMBF (Germany)
- DFG (Germany)
- SFI (Ireland)
- Swedish Research Council (Sweden)
- CAS (China)
- CNSF (China)
- ICREA Funding Source: Custom
- STFC [ST/F007418/1, ST/F00754X/1, PP/E000487/1, ST/K50208X/1, ST/H00095X/1, ST/J501074/1, ST/H001069/2, ST/K000713/1, ST/M000664/1, ST/H00095X/2, ST/K001388/1, ST/I505756/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K000713/1, ST/K001388/1, ST/K50208X/1, ST/I505756/1, ST/F00754X/1, ST/F007418/1, ST/H00095X/1, ST/H001069/2, ST/J501074/1, ST/M000664/1, ST/M001474/1, PP/E000487/1, ST/H00095X/2, ST/K001418/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1206092] Funding Source: National Science Foundation
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The calibration of jet energy measured in the DO detector is presented, based on p (p) over bar collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider, jet energies are measured using a sampling calorimeter composed of uranium and liquid argon as the passive and active media, respectively. This paper describes the energy calibration of jets performed with gamma+jet, Z+jet and dilet events, with jet transverse momentum p(T) > 6 GeV and pseudorapidity range vertical bar eta vertical bar < 3.6, The corrections are measured separately for data and simulation, achieving a precision of 1.4-1.8% for jets in the central part of the calorimeter ancl up to 3.5% for the jets with pseudorapidity vertical bar eta vertical bar = 3.0. Specific corrections are extracted to enhance the description of jet energy in simulation and in particular of the effects due to the flavor of the parton originating the jet, correcting biases up to 3-4% in jets with low PT originating from gluons and up to 6-8% in jets from b quarks. Published by Elsevier B.V.
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