Correlated long-range mixed-harmonic fluctuations measured in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector

The ATLAS collaboration

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Correlations of two flow harmonics vn and vm via three- and four-particle cumulants are measured in 13 TeV pp, 5.02 TeV p+Pb, and 2.76 TeV peripheral Pb+Pb collisions with the ATLAS detector at the LHC. The goal is to understand the multi-particle nature of the long-range collective phenomenon in these collision systems. The large non-flow background from dijet production present in the standard cumulant method is suppressed using a method of subevent cumulants involving two, three and four subevents separated in pseudorapidity. The results show a negative correlation between v2 and v3 and a positive correlation between v2 and v4 for all collision systems and over the full multiplicity range. However, the magnitudes of the correlations are found to depend on the event multiplicity, the choice of transverse momentum range and collision system. The relative correlation strength, obtained by normalisation of the cumulants with the 〈vn 2〉 from a two-particle correlation analysis, is similar in the three collision systems and depends weakly on the event multiplicity and transverse momentum. These results based on the subevent methods provide strong evidence of a similar long-range multi-particle collectivity in pp, p+Pb and peripheral Pb+Pb collisions.

Original languageEnglish
Pages (from-to)444-471
Number of pages28
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume789
DOIs
StatePublished - 10 Feb 2019

Funding

FundersFunder number
Not addedST/J005533/1, ST/L006162/1, ST/J004804/1, ST/M000753/1, ST/N000307/1, ST/N000463/1, ST/L003449/1, ST/H001158/2, ST/K001329/1, ST/N000420/1
CEA-DRF
Cantons of Bern and Geneva
Czech Republic
DNSRCIN2P3-CNRS
EU-ESF
IRFU
MES of Russia
MESTD
MIZŠ
MNE
MSMT
MSSR
RGC
Région Auvergne
VSC CR
Wallenberg Foundation
National Science Foundation1812377
National Science Foundation
U.S. Department of Energy
Biomedical Research Foundation of Northwest Louisiana
Spine Education and Research Institute
California Department of Fish and Game
Alexander von Humboldt-Stiftung
CRC Health Group
Ministry of Science and Technology
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Ontario Innovation Trust
Canarie
Türkiye Atom Enerjisi Kurumu
H2020 European Research Council
H2020 Marie Skłodowska-Curie Actions
Biomedical Research Foundation
Arizona-Nevada Academy of Science
Brain Science Foundation
CERN
University of Washington College of Arts and Sciences
Northern Ireland Community Relations Council
Compute Canada
National Research Council
Engineering Research Centers
Natural Sciences and Engineering Research Council of Canada
Canada Council for the Arts
Canada Foundation for Innovation
Science and Technology Facilities CouncilST/N000447/1, GRIDPP
Science and Technology Facilities Council
Leverhulme Trust
Royal Society
Australian Research Council
Department of Science and Technology, Ministry of Science and Technology, India
Singapore Eye Research Institute
Helmholtz-Gemeinschaft
Minerva Foundation
Deutsche Forschungsgemeinschaft
Agence Nationale de la Recherche
Japan Society for the Promotion of Science
Ministry of Education, Culture, Sports, Science and Technology
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Danmarks Grundforskningsfond
German-Israeli Foundation for Scientific Research and Development
United States-Israel Binational Science Foundation
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Fundação para a Ciência e a Tecnologia
Bundesministerium für Bildung und Forschung
Chinese Academy of Sciences
Austrian Science Fund
Generalitat de Catalunya
Comisión Nacional de Investigación Científica y Tecnológica
Agencia Nacional de Promoción Científica y Tecnológica
Fonds Québécois de la Recherche sur la Nature et les Technologies
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Ministerio de Economía y Competitividad
Generalitat Valenciana
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
General Secretariat for Research and Technology
Conselho Nacional de Desenvolvimento Científico e Tecnológico
National Research Foundation of Korea
Joint Institute for Nuclear Research
Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science
Israel Science Foundation
Instituto Nazionale di Fisica Nucleare
Max-Planck-Gesellschaft
Narodowe Centrum Nauki
Javna Agencija za Raziskovalno Dejavnost RS
Narodowym Centrum Nauki
Ministerstwo Nauki i Szkolnictwa Wyższego
Ministerstvo Průmyslu a Obchodu
Ministry of Science and Technology, Taiwan
Seventh Framework Programme
Centre National pour la Recherche Scientifique et Technique
Bundesministerium für Bildung und Frauen
Horizon 2020
British Columbia Knowledge Development Fund
European Regional Development Fund
National Science Foundation
Consejo Nacional de Innovación, Ciencia y Tecnología
Fundació Catalana de Trasplantament
Azərbaycan Respirator Cəmiyyəti
Council on grants of the President of the Russian Federation
Services Fédéraux des Affaires Scientifiques, Techniques et Culturelles
Fondation Partager le Savoir
National Research Center "Kurchatov Institute"
Institutul de Fizică Atomică

    Fingerprint

    Dive into the research topics of 'Correlated long-range mixed-harmonic fluctuations measured in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector'. Together they form a unique fingerprint.

    Cite this