Determination of the Absolute Jet Energy Scale in the DZERO Calorimeters
B. Abbott, et al. (the DZERO Collaboration)
TL;DR
This paper details the calibration process for jet energy measurements in the DZERO detector, essential for accurate physics analyses at Fermilab's Tevatron collider.
Contribution
It presents a comprehensive method for calibrating jet energies in the DZERO calorimeter at two different collision energies.
Findings
Achieved precise jet energy scale calibration for ET>8 GeV
Validated calibration across pseudorapidity range <3
Enhanced accuracy for QCD tests and mass measurements
Abstract
The DZERO detector is used to study proton-antiproton collisions at the 1800 GeV and 630 GeV center-of-mass energies available at the Fermilab Tevatron. To measure jets, the detector uses a sampling calorimeter composed of uranium and liquid argon as the passive and active media respectively. Understanding the jet energy calibration is not only crucial for precision tests of QCD, but also for the measurement of particle masses and the determination of physics backgrounds associated with new phenomena. This paper describes the energy calibration of jets observed with the DZERO detector at the two proton-antiproton center-of-mass energies in the transverse energy and pseudorapidity range ET>8 GeV and pseudorapidity<3.
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