Dijet azimuthal correlations in p-p and p-Pb collisions at forward LHC calorimeters

被引：10
作者：
Al-Mashad, M. Abdullah [1 ]
van Hameren, A. [3 ]
Kakkad, H. [4 ]
Kotko, P. [4 ]
Kutak, K. [3 ,5 ]
Van Mechelen, P. [2 ]
Sapeta, S. [3 ]
机构：
[1] Fayoum Univ, Fac Sci, Dept Phys, Ctr High Energy Phys CHEP FU, Al Fayyum 63514, Egypt
[2] Antwerp Univ, Particle Phys Grp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
[3] Polish Acad Sci, Inst Nucl Phys, Radzikowskiego 152, PL-31342 Krakow, Poland
[4] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Al Mickiewicza 30, PL-30059 Krakow, Poland
[5] Brookhaven Natl Lab, Dept Phys, Bldg 510A,20 Penn St,30-059, Upton, NY 30059 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2022年 / 2022卷 / 12期
关键词：
Deep Inelastic Scattering or Small-x Physics; Quark-Gluon Plasma; POMERANCHUK SINGULARITY; JET PRODUCTION; SINGLE; ROOT-S=7; RAPIDITY;
D O I：
10.1007/JHEP12(2022)131
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We present a state-of-the-art computation for the production of dijets in proton-proton and proton-lead collisions at the LHC, in forward rapidity domains covered by the ATLAS calorimeter and the planned FoCal extension of the ALICE detector. We use the small-x improved TMD (ITMD) formalism, together with collinearly improved TMD gluon distributions and full b-space Sudakov resummation, and discuss nonperturbative corrections due to hadronization and showers using the PYTHIA event generator. We observe that the production of forward dijets in proton-nucleus collisions at moderately low p(T) is an excellent probe of saturation effects, and demonstrate that the Sudakov resummation does not alter the suppression of the cross section.
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页数：16
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