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

ATLAS Collaboration

Research output: Contribution to journalArticlepeer-review

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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
StatePublished - 8 Mar 2024

Funding

FundersFunder number
Göran Gustafssons Stiftelser
Australian Research Council
Fundação para a Ciência e a Tecnologia
RGC
Narodowa Agencja Wymiany Akademickiej
Royal Society of South Australia
British Columbia Knowledge Development Fund
Minerva Foundation
Agencia Nacional de Investigación y Desarrollo
Ministry of Science and Technology, Taiwan
MIZŠ
Deutsche Forschungsgemeinschaft
Institutul de Fizică Atomică
Neurosurgical Research Foundation
Defence Science Institute
Israel Science Foundation
Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science
U.S. Department of Energy
Javna Agencija za Raziskovalno Dejavnost RS
Japan Society for the Promotion of Science
National Research Council Canada
Cantons of Bern and Geneva
European Commission
Horizon 2020, ICSC-NextGenerationEU
National Stroke Foundation
European Cooperation in Science and Technology
Norwegian Financial Mechanism2014-2021
Science and Technology Facilities Council
BSF-NSF
Helmholtz-Gemeinschaft
Canada Foundation for Innovation
Austrian Science Fund
Alexander von Humboldt-Stiftung
GenT Programmes Generalitat Valenciana, Spain
Fundação de Amparo à Pesquisa do Estado de São Paulo
Generalitat de Catalunya
Narodowe Centrum Nauki
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
Bundesministerium für Bildung und Forschung
MNE
National Natural Science Foundation of China
Ministerio de Ciencia e Innovación
Natural Sciences and Engineering Research Council of Canada
Irish Rugby Football Union
Wallenberg Foundation
PROMETEO
Instituto Nazionale di Fisica Nucleare
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Danmarks Grundforskningsfond
Leverhulme Trust
La Caixa Banking Foundation
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Agence Nationale de la Recherche
EU-ESF
Chinese Academy of Sciences
CERN
European Regional Development Fund
Canarie
CEA-DRF
Multiple Sclerosis Scientific Research Foundation
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
H2020 Marie Skłodowska-Curie Actions
Ministerstvo Školství, Mládeže a Tělovýchovy
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Staatssekretariat für Bildung, Forschung und Innovation
DNSRCIN2P3-CNRS
Ministry of Education, Culture, Sports, Science and Technology
UNCESCI/013
Compute Canada21/SCI/017
Compute Canada
Agencia Nacional de Promoción Científica y Tecnológica
Centre National pour la Recherche Scientifique et Technique

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