Measurement of the Centrality Dependence of the Dijet Yield in 𝑝+Pb Collisions at √sNN=8.16  TeV with the ATLAS Detector

ATLAS Collaboration

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1 Citation (Scopus)

Abstract

ATLAS measured the centrality dependence of the dijet yield using Formula Presented of Formula Presented data collected at Formula Presented in 2016. The event centrality, which reflects the Formula Presented impact parameter, is characterized by the total transverse energy registered in the Pb-going side of the forward calorimeter. The central-to-peripheral ratio of the scaled dijet yields, Formula Presented, is evaluated, and the results are presented as a function of variables that reflect the kinematics of the initial hard parton scattering process. The Formula Presented shows a scaling with the Bjorken Formula Presented of the parton originating from the proton, Formula Presented, while no such trend is observed as a function of Formula Presented. This analysis provides unique input to understanding the role of small proton spatial configurations in Formula Presented collisions by covering parton momentum fractions from the valence region down to Formula Presented and Formula Presented.

Original languageEnglish
Article number102301
JournalPhysical Review Letters
Volume132
Issue number10
DOIs
Publication statusPublished - Mar 8 2024

ASJC Scopus subject areas

  • General Physics and Astronomy

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