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Probing the structure of the initial state of heavy-ion collisions with P-T-dependent flow fluctuations

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Author(s):
Hippert, M. ; Barbon, J. G. P. ; Chinellato, D. D. ; Luzum, M. ; Noronha, J. ; Nunes da Silva, T. ; Serenone, W. M. ; Takahashi, J. ; ExTrEMe Collaboration
Total Authors: 9
Document type: Journal article
Source: PHYSICAL REVIEW C; v. 102, n. 6, p. 16-pg., 2020-12-22.
Abstract

The connection between initial-state geometry and anisotropic flow can be quantified through a well-established mapping between P-T-integrated flow harmonics and cumulants of the initial transverse energy distribution. In this paper we successfully extend this mapping to also include P-T-differential flow. In doing so, we find that subleading principal components of anisotropic flow can reveal previously unobserved details of the hydrodynamic response, in both the linear and the nonlinear regimes. Most importantly, we show that they provide novel information on the small-scale structures present in the initial stage of relativistic heavy-ion collisions. (AU)

FAPESP's process: 19/16293-3 - Phenomenology on LHC heavy ion collisions
Grantee:João Guilherme Prado Barbon
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 16/13803-2 - Strangeness production in Pb-Pb collisions at 5.02TeV in ALICE
Grantee:David Dobrigkeit Chinellato
Support Opportunities: Regular Research Grants
FAPESP's process: 18/01245-0 - Characterization of the QGP through the hydrodynamic evolution
Grantee:Tiago Jose Nunes da Silva
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 18/07833-1 - Hydrodynamical behavior of the QGP near the critical point
Grantee:Maurício Hippert Teixeira
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 16/24029-6 - Investigating the strong nuclear interactions under extreme conditions
Grantee:Matthew William Luzum
Support Opportunities: Research Grants - Young Investigators Grants
FAPESP's process: 17/05685-2 - Hadronic physics in high energy nuclear collisions
Grantee:Jun Takahashi
Support Opportunities: Special Projects