Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis
Abstract
The quality of data taken at RHIC and LHC as well as the success and sophistication of computational models for the description of ultra-relativistic heavy-ion collisions have advanced to a level that allows for the quantitative extraction of the transport properties of the Quark-Gluon-Plasma. However, the complexity of this task as well as the computational effort associated with it can only be overcome by developing novel methodologies: in this paper we outline such an analysis based on Bayesian Statistics and systematically compare an event-by-event heavy-ion collision model to data from the Large Hadron Collider. We simultaneously probe multiple model parameters including fundamental quark-gluon plasma properties such as the temperature-dependence of the specific shear viscosity η/s, calibrate the model to optimally reproduce experimental data, and extract quantitative constraints for all parameters simultaneously. As a result, the method is universal and easily extensible to other data and collision models.
- Authors:
-
- Duke Univ., Durham, NC (United States). Dept. of Physics
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1478659
- Grant/Contract Number:
- FG02-05ER41367
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Physics. A
- Additional Journal Information:
- Journal Volume: 967; Journal Issue: C; Journal ID: ISSN 0375-9474
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Quark-Gluon-Plasma; model-to-data comparison; Bayesian analysis
Citation Formats
Bass, Steffen A., Bernhard, Jonah, and Moreland, J. Scott. Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis. United States: N. p., 2017.
Web. doi:10.1016/j.nuclphysa.2017.05.052.
Bass, Steffen A., Bernhard, Jonah, & Moreland, J. Scott. Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis. United States. https://doi.org/10.1016/j.nuclphysa.2017.05.052
Bass, Steffen A., Bernhard, Jonah, and Moreland, J. Scott. Mon .
"Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis". United States. https://doi.org/10.1016/j.nuclphysa.2017.05.052. https://www.osti.gov/servlets/purl/1478659.
@article{osti_1478659,
title = {Determination of Quark-Gluon-Plasma Parameters from a Global Bayesian Analysis},
author = {Bass, Steffen A. and Bernhard, Jonah and Moreland, J. Scott},
abstractNote = {The quality of data taken at RHIC and LHC as well as the success and sophistication of computational models for the description of ultra-relativistic heavy-ion collisions have advanced to a level that allows for the quantitative extraction of the transport properties of the Quark-Gluon-Plasma. However, the complexity of this task as well as the computational effort associated with it can only be overcome by developing novel methodologies: in this paper we outline such an analysis based on Bayesian Statistics and systematically compare an event-by-event heavy-ion collision model to data from the Large Hadron Collider. We simultaneously probe multiple model parameters including fundamental quark-gluon plasma properties such as the temperature-dependence of the specific shear viscosity η/s, calibrate the model to optimally reproduce experimental data, and extract quantitative constraints for all parameters simultaneously. As a result, the method is universal and easily extensible to other data and collision models.},
doi = {10.1016/j.nuclphysa.2017.05.052},
journal = {Nuclear Physics. A},
number = C,
volume = 967,
place = {United States},
year = {Mon Sep 25 00:00:00 EDT 2017},
month = {Mon Sep 25 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
New theories of relativistic hydrodynamics in the LHC era
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