On Pseudorapidity Distribution and Speed of Sound in High Energy Heavy Ion Collisions Based on a New Revised Landau Hydrodynamic Model
Joint Authors
Source
Advances in High Energy Physics
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-23, 23 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-07-29
Country of Publication
Egypt
No. of Pages
23
Main Subjects
Abstract EN
We propose a new revised Landau hydrodynamic model to study systematically the pseudorapidity distributions of charged particles produced in heavy ion collisions over an energy range from a few GeV to a few TeV per nucleon pair.
The interacting system is divided into three sources, namely, the central, target, and projectile sources, respectively.
The large central source is described by the Landau hydrodynamic model and further revised by the contributions of the small target/projectile sources.
The modeling results are in agreement with the available experimental data at relativistic heavy ion collider, large hadron collider, and other energies for different centralities.
The value of square speed of sound parameter in different collisions has been extracted by us from the widths of rapidity distributions.
Our results show that, in heavy ion collisions at energies of the two colliders, the central source undergoes a phase transition from hadronic gas to quark-gluon plasma liquid phase; meanwhile, the target/projectile sources remain in the state of hadronic gas.
The present work confirms that the quark-gluon plasma is of liquid type rather than being of a gas type.
American Psychological Association (APA)
Gao, Li-Na& Liu, F.-H.. 2015. On Pseudorapidity Distribution and Speed of Sound in High Energy Heavy Ion Collisions Based on a New Revised Landau Hydrodynamic Model. Advances in High Energy Physics،Vol. 2015, no. 2015, pp.1-23.
https://search.emarefa.net/detail/BIM-1052475
Modern Language Association (MLA)
Gao, Li-Na& Liu, F.-H.. On Pseudorapidity Distribution and Speed of Sound in High Energy Heavy Ion Collisions Based on a New Revised Landau Hydrodynamic Model. Advances in High Energy Physics No. 2015 (2015), pp.1-23.
https://search.emarefa.net/detail/BIM-1052475
American Medical Association (AMA)
Gao, Li-Na& Liu, F.-H.. On Pseudorapidity Distribution and Speed of Sound in High Energy Heavy Ion Collisions Based on a New Revised Landau Hydrodynamic Model. Advances in High Energy Physics. 2015. Vol. 2015, no. 2015, pp.1-23.
https://search.emarefa.net/detail/BIM-1052475
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1052475