Forward trijet production in p-p and p-Pb collisions at LHC

Bury, Marcin and van Hameren, Andreas and Kotko, Piotr and Kutak, Krzysztof (2020) Forward trijet production in p-p and p-Pb collisions at LHC. JOURNAL OF HIGH ENERGY PHYSICS (9): 175. ISSN 1029-8479,

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Abstract

We calculate various azimuthal angle distributions for three jets produced in the forward rapidity region with transverse momenta p(T) > 20 GeV in proton-proton (p-p) and proton-lead (p-Pb) collisions at center of mass energy 5.02 TeV. We use the multiparton extension of the so-called small-x Improved Transverse Momentum Dependent factorization (ITMD). We study effects related to change from the standard k(T)-factorization to ITMD factorization as well as changes as one goes from p-p collision to p-Pb. We observe rather large differences in the distribution when we change the factorization approach, which allows to both improve the small-x TMD gluon distributions as well as validate and improve the factorization approach. We also see significant depletion of the nuclear modification ratio, indicating a possibility of searches for saturation effects using trijet final states in a more exclusive way than for dijets.

Item Type: Article
Uncontrolled Keywords: COLOR GLASS CONDENSATE; NONLINEAR GLUON EVOLUTION; HEAVY-QUARK PRODUCTION; BFKL; AMPLITUDES; COHERENCE; Heavy Ion Phenomenology
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 11 Mar 2021 08:07
Last Modified: 11 Mar 2021 08:07
URI: https://pred.uni-regensburg.de/id/eprint/43745

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