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Collective dynamics of heavy ion collisions in ATLAS

by Helena Santos

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Submission summary

Authors (as registered SciPost users): Helena Santos
Submission information
Preprint Link:  (pdf)
Date accepted: 2022-03-31
Date submitted: 2021-11-22 09:13
Submitted by: Santos, Helena
Submitted to: SciPost Physics Proceedings
Proceedings issue: 50th International Symposium on Multiparticle Dynamics (ISMD2021)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Experiment
Approaches: Experimental, Phenomenological


The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. They include vn-[pT] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions.

Published as SciPost Phys. Proc. 10, 034 (2022)

Reports on this Submission

Anonymous Report 1 on 2022-2-8 (Invited Report)


The paper discusses the influence of the initial stage on the final state observable. The measurements are discusses in the context of state of the art models.


The article meets the Journal criteria and is worth being published

Requested changes

No changes requested

  • validity: high
  • significance: high
  • originality: high
  • clarity: high
  • formatting: reasonable
  • grammar: excellent

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