Azimuthal anisotropies at high momentum from purely non-hydrodynamic transport
Abstract
In the limit of short mean free path, relativistic kinetic theory gives rise to hydrodynamics through a systematically improvable gradient expansion. In the present work, a systematically improvable expansion in the opposite limit of large mean free path is considered, describing the dynamics of particles which are almost, but not quite, non-interacting. This non-hydrodynamic “eremitic” expansion does not break down for large gradients, and may be useful in situations where a hydrodynamic treatment is not applicable. As applications, azimuthal anisotropies at high transverse momenta in Pb + Pb and p + Pb collisions at $$ \sqrt{s}$$ = 5.02 TeV are calculated from the first order eremitic expansion of kinetic theory in the relaxation time approximation.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Colorado, Boulder, CO (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1463912
- Alternate Identifier(s):
- OSTI ID: 1510001
- Grant/Contract Number:
- SC0017905
- Resource Type:
- Published Article
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Name: European Physical Journal. C, Particles and Fields Journal Volume: 78 Journal Issue: 8; Journal ID: ISSN 1434-6044
- Publisher:
- Springer Science + Business Media
- Country of Publication:
- Germany
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Romatschke, Paul. Azimuthal anisotropies at high momentum from purely non-hydrodynamic transport. Germany: N. p., 2018.
Web. doi:10.1140/epjc/s10052-018-6112-6.
Romatschke, Paul. Azimuthal anisotropies at high momentum from purely non-hydrodynamic transport. Germany. https://doi.org/10.1140/epjc/s10052-018-6112-6
Romatschke, Paul. Fri .
"Azimuthal anisotropies at high momentum from purely non-hydrodynamic transport". Germany. https://doi.org/10.1140/epjc/s10052-018-6112-6.
@article{osti_1463912,
title = {Azimuthal anisotropies at high momentum from purely non-hydrodynamic transport},
author = {Romatschke, Paul},
abstractNote = {In the limit of short mean free path, relativistic kinetic theory gives rise to hydrodynamics through a systematically improvable gradient expansion. In the present work, a systematically improvable expansion in the opposite limit of large mean free path is considered, describing the dynamics of particles which are almost, but not quite, non-interacting. This non-hydrodynamic “eremitic” expansion does not break down for large gradients, and may be useful in situations where a hydrodynamic treatment is not applicable. As applications, azimuthal anisotropies at high transverse momenta in Pb + Pb and p + Pb collisions at $ \sqrt{s}$ = 5.02 TeV are calculated from the first order eremitic expansion of kinetic theory in the relaxation time approximation.},
doi = {10.1140/epjc/s10052-018-6112-6},
journal = {European Physical Journal. C, Particles and Fields},
number = 8,
volume = 78,
place = {Germany},
year = {Fri Aug 10 00:00:00 EDT 2018},
month = {Fri Aug 10 00:00:00 EDT 2018}
}
https://doi.org/10.1140/epjc/s10052-018-6112-6
Web of Science
Figures / Tables:
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