A1 Journal article (refereed)
Correlated gluonic hot spots meet symmetric cumulants data at LHC energies (2019)

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

JYU authors or editors

Publication details

All authors or editors: Albacete, Javier L.; Niemi, Harri; Petersen, Hannah; Soto-Ontoso, Alba

Journal or series: Nuclear Physics A

ISSN: 0375-9474

eISSN: 1873-1554

Publication year: 2019

Volume: 982

Issue number: 0

Pages range: 463-466

Publisher: Elsevier BV

Publication country: Netherlands

Publication language: English

DOI: https://doi.org/10.1016/j.nuclphysa.2018.08.013

Publication open access: Openly available

Publication channel open access: Partially open access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/62763

Additional information: Part of special issue: The 27th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2018).

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 [J.L. Albacete, H. Petersen, A. Soto-Ontoso, Symmetric cumulants as a probe of the proton substructure at LHC energies, Phys. Lett. B778 (2018) 128–136. arXiv:1707.05592, doi:10.1016/j.physletb.2018.01.011]. 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.

Keywords: particle physics

Free keywords: initial state; small systems; hot spots; correlations; elliptic flow

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Ministry reporting: Yes

Reporting Year: 2019

JUFO rating: 1