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Chemical Potentials of Quarks Extracted from Particle Transverse Momentum Distributions in Heavy Ion Collisions at RHIC Energies
Joint Authors
Source
Advances in High Energy Physics
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-07-08
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
In the framework of a multisource thermal model, the transverse momentum distributions of charged particles produced in nucleus-nucleus (A-A) and deuteron-nucleus (d-A) collisions at relativistic heavy ion collider (RHIC) energies are investigated by a two-component revised Boltzmann distribution.
The calculated results are in agreement with the PHENIX experimental data.
It is found that the source temperature increases obviously with increase of the particle mass and incident energy, but it does not show an obvious change with the collision centrality.
Then, the values of chemical potentials for up, down, and strange quarks can be obtained from the antiparticle to particle yield ratios in a wide transverse momentum range.
The relationship between the chemical potentials of quarks and the transverse momentum with different centralities is investigated, too.
American Psychological Association (APA)
Zhao, Hong& Liu, F.-H.. 2014. Chemical Potentials of Quarks Extracted from Particle Transverse Momentum Distributions in Heavy Ion Collisions at RHIC Energies. Advances in High Energy Physics،Vol. 2014, no. 2014, pp.1-14.
https://search.emarefa.net/detail/BIM-495128
Modern Language Association (MLA)
Zhao, Hong& Liu, F.-H.. Chemical Potentials of Quarks Extracted from Particle Transverse Momentum Distributions in Heavy Ion Collisions at RHIC Energies. Advances in High Energy Physics No. 2014 (2014), pp.1-14.
https://search.emarefa.net/detail/BIM-495128
American Medical Association (AMA)
Zhao, Hong& Liu, F.-H.. Chemical Potentials of Quarks Extracted from Particle Transverse Momentum Distributions in Heavy Ion Collisions at RHIC Energies. Advances in High Energy Physics. 2014. Vol. 2014, no. 2014, pp.1-14.
https://search.emarefa.net/detail/BIM-495128
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-495128