Evidence for Similar Collectivity of High Transverse-Momentum Particles in P-Pb and Pb-Pb Collisions
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Date
2025
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American Physical Society
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Yes
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Abstract
Charged hadron elliptic anisotropies (v(2)) are presented over a wide transverse momentum (p(T)) range for proton-lead (pPb) and lead-lead (PbPb) collisions at nucleon-nucleon center-of-mass energies of 8.16 and 5.02 TeV, respectively. The data were recorded by the CMS experiment and correspond to integrated luminosities of 186 and 0.607 nb(-1) for the pPb and PbPb systems, respectively. A four-particle cumulant analysis is performed using subevents separated in pseudorapidity to effectively suppress noncollective effects. At high pT (p(T) > 8 GeV), significant positive v(2) values that are similar between pPb and PbPb collisions at comparable charged particle multiplicities are observed. This observation suggests a common origin for the multiparticle collectivity for high-p(T) particles in the two systems.
Description
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Mastrapasqua, Paola/0000-0002-2043-2367; Tok, Ufuk Guney/0000-0002-3039-021X; Palencia Cortezon, Jose Enrique/0000-0001-8264-0287; Leon Holgado, Jaime/0000-0002-4156-6460; Moureaux, Louis/0000-0002-2310-9266; Manzoni, Riccardo Anea/0000-0002-7584-5038; Golf, Frank/0000-0003-3567-9351; D'Anzi, Brunella/0000-0002-9361-3142; Alcaraz Maestre, Juan/0000-0003-0914-7474; Tok, Ufuk Guney/0000-0002-3039-021X; Lange, Clemens/0000-0002-3632-3157; Phor, Saumya/0000-0001-7842-9518; Hinzmann, Aneas/0000-0002-2633-4696; Faccioli, Pietro/0000-0003-1849-6692; Horzela, Maximilian/0000-0002-3190-7962; Staiano, Amedeo/0000-0003-1803-624X; Ehatäht, Karl/0000-0002-2387-4777; Dozen, Candan/0000-0002-4301-634X; Saha, Nihar Ranjan/0000-0002-7954-7898; Yagil, Avi/0000-0002-6108-4004; Missiroli, Marino/0000-0002-1780-1344; Novaes, Sergio/0000-0003-0471-8549; Luongo, Fabio/0000-0003-2743-4119; Dozen, Candan/0000-0002-4301-634X; Reimers, Arne Christoph/0000-0002-9438-2059; Dallavalle, Gaetano Marco/0000-0002-8614-0420; 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Keywords
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], CMS, FOS: Physical sciences, LARGE HADRON COLLIDER, 530, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), Subatomic Physics, PARTICLE PHYSICS, Nuclear Experiment (nucl-ex), Nuclear Experiment, Heavy ion collisions, multiparticle collectivity., article; controlled study, Relativistic heavy-ion collisions, High energy physics, info:eu-repo/classification/ddc/530, Hadron colliders, Physics, ddc:530, Quark-gluon plasma, LHC, LHC,CMS,lead-lead,proton-lead,Similar Collectivity,high pT, Experimental particle physics, Collective flow
Turkish CoHE Thesis Center URL
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Citation
WoS Q
Q1
Scopus Q
Q1
OpenCitations Citation Count
N/A
Source
Physical Review Letters
Volume
135
Issue
7
Start Page
End Page
SCOPUS™ Citations
2
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