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Measurement of multi-particle azimuthal correlations in $pp$, $p+$Pb and low-multiplicity Pb$+$Pb collisions with the ATLAS detector

Name: Measurement of multi-particle azimuthal correlations in $pp$, $p+$Pb and low-multiplicity Pb$+$Pb collisions with the ATLAS detector
Keywords: interaction [p nucleus], heavy ion: scattering, Physics and Astronomy (miscellaneous), 13000 GeV-cms, 5020 GeV-cms, p nucleus: interaction, anisotropy [angular distribution], QC770-798, Astrophysics, 2760 GeV-cms/nucleon

descriptionPublicationkeyboard_double_arrow_right Report , Article , Research , Other literature type , Preprint 01 Jan 2017Embargo end date: 01 Jan 2017 Italy, Italy, Germany, Italy, Italy, France, Germany, Italy, Switzerland, United Kingdom, Italy, United States, United States, Spain, United Kingdom, South Africa, Italy, Italy, Italy, United Kingdom, United States, Italy, Italy, South Africa English Publisher:Deutsches Elektronen-Synchrotron, DESY, HamburgJournal:The European physical journal. C, Particles and fields, volume 77 (issn: 1434-6044,

Authors: M. Aaboud; G. Aad; B. Abbott; J. Abdallah; O. Abdinov; B. Abeloos; S. H. Abidi; +193 Authors

M. Aaboud; G. Aad; B. Abbott; J. Abdallah; O. Abdinov; B. Abeloos; S. H. Abidi; O. S. AbouZeid; N. L. Abraham; H. Abramowicz; H. Abreu; R. Abreu; Y. Abulaiti; B. S. Acharya; S. Adachi; L. Adamczyk; J. Adelman; M. Adersberger; T. Adye; A. A. Affolder; T. Agatonovic-Jovin; C. Agheorghiesei; J. A. Aguilar-Saavedra; S. P. Ahlen; F. Ahmadov; G. Aielli; S. Akatsuka; H. Akerstedt; T. P. A. Åkesson; A. V. Akimov; G. L. Alberghi; J. Albert; P. Albicocco; M. J. Alconada Verzini; M. Aleksa; I. N. Aleksandrov; C. Alexa; G. Alexander; T. Alexopoulos; M. Alhroob; B. Ali; M. Aliev; G. Alimonti; J. Alison; S. P. Alkire; B. M. M. Allbrooke; B. W. Allen; P. P. Allport; A. Aloisio; A. Alonso; F. Alonso; C. Alpigiani; A. A. Alshehri; M. Alstaty; B. Alvarez Gonzalez; D. Álvarez Piqueras; M. G. Alviggi; B. T. Amadio; Y. Amaral Coutinho; C. Amelung; D. Amidei; S. P. Amor Dos Santos; A. Amorim; S. Amoroso; G. Amundsen; C. Anastopoulos; L. S. Ancu; N. Andari; T. Andeen; C. F. Anders; J. K. Anders; K. J. Anderson; A. Andreazza; V. Andrei; S. Angelidakis; I. Angelozzi; A. Angerami; A. V. Anisenkov; N. Anjos; A. Annovi; C. Antel; M. Antonelli; A. Antonov; D. J. Antrim; F. Anulli; M. Aoki; L. Aperio Bella; G. Arabidze; Y. Arai; J. P. Araque; V. Araujo Ferraz; A. T. H. Arce; R. E. Ardell; F. A. Arduh; J-F. Arguin; S. Argyropoulos; M. Arik; A. J. Armbruster; L. J. Armitage; O. Arnaez; H. Arnold; M. Arratia; O. Arslan; A. Artamonov; G. Artoni; S. Artz; S. Asai; N. Asbah; A. Ashkenazi; L. Asquith; K. Assamagan; R. Astalos; M. Atkinson; N. B. Atlay; K. Augsten; G. Avolio; B. Axen; M. K. Ayoub; G. Azuelos; A. E. Baas; M. J. Baca; H. Bachacou; K. Bachas; M. Backes; M. Backhaus; P. Bagnaia; H. Bahrasemani; J. T. Baines; M. Bajic; O. K. Baker; E. M. Baldin; P. Balek; F. Balli; W. K. Balunas; E. Banas; Sw. Banerjee; A. A. E. Bannoura; L. Barak; E. L. Barberio; D. Barberis; M. Barbero; T. Barillari; M-S Barisits; T. Barklow; N. Barlow; S. L. Barnes; B. M. Barnett; R. M. Barnett; Z. Barnovska-Blenessy; A. Baroncelli; G. Barone; A. J. Barr; L. Barranco Navarro; F. Barreiro; J. Barreiro Guimarães da Costa; R. Bartoldus; A. E. Barton; P. Bartos; A. Basalaev; A. Bassalat; R. L. Bates; S. J. Batista; J. R. Batley; M. Battaglia; M. Bauce; F. Bauer; H. S. Bawa; J. B. Beacham; M. D. Beattie; T. Beau; P. H. Beauchemin; P. Bechtle; H. P. Beck; K. Becker; M. Becker; M. Beckingham; C. Becot; A. J. Beddall; A. Beddall; V. A. Bednyakov; M. Bedognetti; C. P. Bee; T. A. Beermann; M. Begalli; M. Begel; J. K. Behr; A. S. Bell; G. Bella; L. Bellagamba; A. Bellerive; M. Bellomo; K. Belotskiy; O. Beltramello; N. L. Belyaev; O. Benary; D. Benchekroun; M. Bender; K. Bendtz; N. Benekos; Y. Benhammou;

doi: 10.3204/pubdb-2018-00346 , 10.48550/arxiv.1705.04176 , 10.3204/pubdb-2017-13331

pmid: 29200942

pmc: PMC5695894

arXiv: 1705.04176 , http://arxiv.org/abs/1705.04176

handle: 2434/549823 , 20.500.11770/268416 , 20.500.11820/ce2c0726-ae4b-4650-9d1c-ef14cec95740 , 11390/1136598 , 2108/186562 , 11590/329744 , 11367/65881 , 11567/874179 , 11568/868483 , 11585/622819 , 1808/27143 , 11571/1212317 , 10210/257273

Measurement of multi-particle azimuthal correlations in $pp$, $p+$Pb and low-multiplicity Pb$+$Pb collisions with the ATLAS detector

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Abstract

Multi-particle cumulants and corresponding Fourier harmonics are measured for azimuthal angle distributions of charged particles in $pp$ collisions at $\sqrt{s}$ = 5.02 and 13 TeV and in $p$+Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV, and compared to the results obtained for low-multiplicity Pb+Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV. These measurements aim to assess the collective nature of particle production. The measurements of multi-particle cumulants confirm the evidence for collective phenomena in $p$+Pb and low-multiplicity Pb+Pb collisions. On the other hand, the $pp$ results for four-particle cumulants do not demonstrate collective behaviour, indicating that they may be biased by contributions from non-flow correlations. A comparison of multi-particle cumulants and derived Fourier harmonics across different collision systems is presented as a function of the charged-particle multiplicity. For a given multiplicity, the measured Fourier harmonics are largest in Pb+Pb, smaller in $p$+Pb and smallest in $pp$ collisions. The $pp$ results show no dependence on the collision energy, nor on the multiplicity.

The European physical journal / C 77(6), 428 (2017). doi:10.1140/epjc/s10052-017-4988-1

Published by Springer, Berlin

Countries

Italy, Italy, Germany, Italy, Italy, France, Germany, Italy, Switzerland, United Kingdom, Italy, United States, United States, Spain, United Kingdom, South Africa, Italy, Italy, Italy, United Kingdom, United States, Italy, Italy, South Africa

Related Organizations

Laboratoire d'informatique de Paris 6
France
Harvard University
United States
Deutsches Elektronen-Synchrotron DESY
Germany
Grenoble Alpes University
France
University of Udine
Italy

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Keywords

interaction [p nucleus], heavy ion: scattering, Physics and Astronomy (miscellaneous), 13000 GeV-cms, 5020 GeV-cms, p nucleus: interaction, anisotropy [angular distribution], QC770-798, Astrophysics, 2760 GeV-cms/nucleon, expansion: harmonic, Settore FIS/04 - Fisica Nucleare e Subnucleare, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), heavy ion: scattering ; p nucleus: interaction ; lead ; charged particle: multiplicity ; charged particle: angular distribution ; p p: scattering ; collective ; collective phenomena ; angular correlation ; angular distribution: anisotropy ; multiplicity: fluctuation ; correlation ; expansion: harmonic ; multiplicity: dependence ; energy dependence ; ATLAS ; CERN LHC Coll ; experimental results ; 2760 GeV-cms/nucleon5020 GeV-cms/nucleon5020 GeV-cms13000 GeV-cms, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Settore ING-INF/07 - Misure Elettriche e Elettroniche, scattering [p p], angular distribution: anisotropy, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment (nucl-ex), 2760 GeV-cms/nucleon5020 GeV-cms/nucleon5020 GeV-cms13000 GeV-cms, Nuclear Experiment, angular correlation, Settore FIS/01 - Fisica Sperimentale, collective phenomena, multiplicity: dependence, ATLAS, Settore FIS/01 - FISICA SPERIMENTALE, QB460-466, CERN LHC Coll, fluctuation [multiplicity], Particle Physics - Experiment, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Regular Article - Experimental Physics, collective, harmonic [expansion], FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 530, info:eu-repo/classification/ddc/500.2, energy dependence, charged particle: multiplicity, charged particle: angular distribution, angular distribution [charged particle], multiplicity [charged particle], [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], scattering [heavy ion], Nuclear and particle physics. Atomic energy. Radioactivity, 5020 GeV-cms/nucleon, Engineering (miscellaneous); Physics and Astronomy (miscellaneous), Engineering (miscellaneous), lead, multiplicity: fluctuation, 500, 620, dependence [multiplicity], correlation, experimental results, ddc: ddc:500.2, ddc: ddc:530

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