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Transverse Momentum Differential Global Analysis of Heavy-Ion Collisions

Nijs, Govert ; van der Schee, Wilke ; Gürsoy, Umut ; Snellings, Raimond

Physical review letters, 2021-05, Vol.126 (20), p.1-202301, Article 202301 [Periódico revisado por pares]

College Park: American Physical Society

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Título:
Transverse Momentum Differential Global Analysis of Heavy-Ion Collisions
Autor: Nijs, Govert ; van der Schee, Wilke ; Gürsoy, Umut ; Snellings, Raimond
Assuntos: collective flow ; Flow coefficients ; Gluons ; Heavy ions ; hydrodynamic models ; Initial conditions ; Ionic collisions ; Light speed ; Mathematical models ; particle correlations and fluctuations ; physics ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Quark-gluon plasma ; relativistic heavy-ion collisions ; strong interaction ; Transport properties ; Transverse momentum
É parte de: Physical review letters, 2021-05, Vol.126 (20), p.1-202301, Article 202301
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
SC0011090
USDOE Office of Science (SC), Nuclear Physics (NP)
Descrição: The understanding of heavy ion collisions and its quark-gluon plasma (QGP) formation requires a complicated interplay of rich physics in a wealth of experimental data. In this work we compare for identified particles the transverse momentum dependence of both the yields and the anisotropic flow coefficients for both PbPb and pPb collisions. We do this in a global model fit including a free streaming prehydrodynamic phase with variable velocity vfs, thereby widening the scope of initial conditions. During the hydrodynamic phase we vary three second order transport coefficients. The free streaming velocity has a preference slightly below the speed of light. In this extended model the QGP bulk viscosity is small and even consistent with zero.
Editor: College Park: American Physical Society
Idioma: Inglês

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Transverse Momentum Differential Global Analysis of Heavy-Ion Collisions

Nijs, Govert ; van der Schee, Wilke ; Gürsoy, Umut ; Snellings, Raimond

College Park: American Physical Society

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