Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-8193-2
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Funding
- common FWO-PAS exchange program [V03319N]
- DAAD fellowship Research Stays for University Academics and Scientists [57440915]
- National Science Centre, Poland [2018/31/D/ST2/02731]
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We study 3-jet event topologies in proton-proton collisions at a centre-of-mass energy of root s = 13 TeV in a configuration, where one jet is present in the central pseudo-rapidity region (vertical bar eta vertical bar < 2.0) while two other jets are in a more forward (same hemisphere) area (vertical bar eta vertical bar > 2.0). We compare various parton level predictions using: collinear factorisation, k(T)-factorisation with fully off-shell matrix elements and the hybrid framework. We study the influence of different parton distribution functions, initial state radiation, final state radiation, and hadronisation. We focus on differential cross sections as a function of azimuthal angle difference between the leading dijet system and the third jet, which is found to have excellent sensitivity to the physical effects under study.
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