Jet angularities in dijet production in proton-proton and heavy-ion collisions at RHIC
arxiv(2024)
摘要
We study jet angularities for dijet production at the Relativistic Heavy Ion
Collider (RHIC) in proton-proton (pp) and nucleus-nucleus (AA) collisions at
200 GeV nucleon-nucleon center-of-mass collision energy. In particular, we
provide NLL resummed predictions for angularity observables of
groomed and ungroomed jets produced in pp collisions matched to
next-to-leading order QCD calculations resulting in NLO+NLL^'
accuracy. Our parton-level predictions are corrected for non-perturbative
effects, such as hadronization and underlying event, using parton-to-hadron
level transfer matrices obtained with the Sherpa event generator. Furthermore,
we use the Q-Pythia and JEWEL generators to estimate the impact of the
interaction between quarks and gluons produced by the parton shower with the
dense medium formed in heavy-ion collisions on the considered jet angularities.
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