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A Particle Emitting Source From an Accelerating, Perturbative Solution of Relativistic Hydrodynamics

Department of Atomic Physics, Eötvös Loránd University, Pázmány P. s. 1/A, H-1117 Budapest, Hungary
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Universe 2019, 5(9), 194; https://doi.org/10.3390/universe5090194
Received: 31 July 2019 / Revised: 26 August 2019 / Accepted: 3 September 2019 / Published: 4 September 2019
(This article belongs to the Special Issue The Zimányi School and Analytic Hydrodynamics in High Energy Physics)
The quark gluon plasma is formed in heavy-ion collisions, and it can be described by solutions of relativistic hydrodynamics. In this paper we utilize perturbative hydrodynamics, where we study first order perturbations on top of a known solution. We investigate the perturbations on top of the Hubble flow. From this perturbative solution we can give the form of the particle emitting source and calculate observables of heavy-ion collisions. We describe the source function and the single-particle momentum spectra for a spherically symmetric solution. View Full-Text
Keywords: hydrodynamics; heavy-ion collisions; Hubble-flow; acceleration hydrodynamics; heavy-ion collisions; Hubble-flow; acceleration
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Kurgyis, B.; Csanád, M. A Particle Emitting Source From an Accelerating, Perturbative Solution of Relativistic Hydrodynamics. Universe 2019, 5, 194.

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