Correlated gluonic hot spots meet symmetric cumulants data at LHC energies

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http://hdl.handle.net/10138/300137

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Albacete , J L , Niemi , H , Petersen , H & Soto-Ontoso , A 2019 , ' Correlated gluonic hot spots meet symmetric cumulants data at LHC energies ' , Nuclear Physics, Section A , vol. 982 , pp. 463-466 . https://doi.org/10.1016/j.nuclphysa.2018.08.013

Title: Correlated gluonic hot spots meet symmetric cumulants data at LHC energies
Author: Albacete, Javier L.; Niemi, Harri; Petersen, Hannah; Soto-Ontoso, Alba
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2019-02
Language: eng
Number of pages: 4
Belongs to series: Nuclear Physics, Section A
ISSN: 0375-9474
URI: http://hdl.handle.net/10138/300137
Abstract: We present a systematic study on the influence of spatial correlations between the proton constituents, in our case gluonic hot spots, their size and their number on the symmetric cumulant SC(2, 3), at the eccentricity level, within a Monte Carlo Glauber framework [1]. When modeling the proton as composed by 3 gluonic hot spots, the most common assumption in the literature, we find that the inclusion of spatial correlations is indispensable to reproduce the negative sign of SC(2, 3) in the highest centrality bins as dictated by data. Further, the subtle interplay between the different scales of the problem is discussed. To conclude, the possibility of feeding a 2+1D viscous hydrodynamic simulation with our entropy profiles is exposed.
Subject: initial state
small systems
hot spots
correlations
elliptic flow
COLLISIONS
FLOW
114 Physical sciences
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