Papers › PYTHIA 8 underlying event tune For RHIC energies
PYTHIA 8 underlying event tune For RHIC energies
Manny Rosales Aguilar, Zilong Chang, Raghav Kunnawalkam Elayavalli, Renee Fatemi, Yang He, Yuanjing Ji, Dmitry Kalinkin, Matthew Kelsey, Isaac Mooney, Veronica Verkest
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We report an underlying event tune for the PYTHIA 8 Monte Carlo event generator that is applicable for hadron collisions primarily at √(s) ranges available at the Relativistic Heavy-Ion Collider (RHIC). We compare our new PYTHIA 8 tuned predictions to mid-rapidity inclusive π^± spectra, jet sub-structure, Drell-Yan production, and underlying event measurements from RHIC and the Tevatron, as well as underlying event data from the Large Hadron Collider. With respect to the default PYTHIA 8 Monash Tune, the new `Detroit' tune shows significant improvements in the description of the experimental data. Additionally, we explore the validity of PYTHIA 8 predictions for forward rapidity π in √(s) = 200 GeV collisions, where neither tune is able to sufficiently describe the data. We advocate for the new tune to be used for PYTHIA 8 studies at current and future RHIC experiments, and discuss future tuning exercises at lower center-of-mass energies, where forward/backward kinematics are essential at the upcoming Electron-Ion collider.
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