Kinetic freeze-out, particle spectra, and harmonic-flow coefficients from mode-by-mode hydrodynamics
The kinetic freeze-out for the hydrodynamical description of relativistic heavy-ion collisions is discussed using a background-fluctuation splitting of the hydrodynamical fields. For a single event, the particle spectrum, or its logarithm, can be written as the sum of the background part that is sym...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
31 March 2014
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Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2014, Jahrgang: 89, Heft: 3, Pages: 034914 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevC.89.034914 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevC.89.034914 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.89.034914 
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| Verfasserangaben: | Stefan Floerchinger and Urs Achim Wiedemann |
| Zusammenfassung: | The kinetic freeze-out for the hydrodynamical description of relativistic heavy-ion collisions is discussed using a background-fluctuation splitting of the hydrodynamical fields. For a single event, the particle spectrum, or its logarithm, can be written as the sum of the background part that is symmetric with respect to azimuthal rotations and longitudinal boosts and a part containing the contribution of fluctuations or deviations from the background. Using a complete orthonormal basis to characterize the initial state allows one to write the double differential harmonic-flow coefficients determined by the two-particle correlation method as matrix expressions involving the initial fluid correlations. We discuss the use of these expressions for a mode-by-mode analysis of fluctuating initial conditions in heavy-ion collisions. |
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| Beschreibung: | Gesehen am 27.11.2017 |
| Beschreibung: | Online Resource |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevC.89.034914 |