qiang zi qi ti chan sheng de re guang zi
Author(s): FU Yong-ping, WANG Dong-yun, XI Qin
Pages: 501-503
Year: 2012 Issue: 6
Journal: Journal of Pingyuan University
Keyword: thermal photons; quark-gluon plasma; hadronic gas; gauge field;
Abstract: 在SPS、RHIC和LHC碰撞能区,利用SU(2)规范对称性,研究了强子物质中介子相互作用产生的热光子.计算结果表明,在SPS能区,强子气体对热光子谱起到更重要的作用,在205 MeV初始温度条件下,强子气体热光子产额比夸克-胶子等离子体的产额高.在RHIC和LHC能区,夸克-胶子等离子体的作用随碰撞能量的增加而逐渐变得重要.
Pages: 501-503
Year: 2012 Issue: 6
Journal: Journal of Pingyuan University
Keyword: thermal photons; quark-gluon plasma; hadronic gas; gauge field;
Abstract: 在SPS、RHIC和LHC碰撞能区,利用SU(2)规范对称性,研究了强子物质中介子相互作用产生的热光子.计算结果表明,在SPS能区,强子气体对热光子谱起到更重要的作用,在205 MeV初始温度条件下,强子气体热光子产额比夸克-胶子等离子体的产额高.在RHIC和LHC能区,夸克-胶子等离子体的作用随碰撞能量的增加而逐渐变得重要.
Citations
- R. Chatterjee,D. K. Srivastava,S. Jeon. Single photons from relativistic collisions of lead nuclei at energies available at the CERN Super Proton Syn-chrotron (SPS):a reanalysis . Physical Review C Nuclear Physics . 2009
- FU Yong-ping,LI Yun-de. Large Mass Dilepton Production from Jet-Dilepton Conversion in the Quark-Gluon Plasma . Nuclear Physics . 2011
- FU Yong-ping,LI Yun-de. Production of Large Transverse Momentum Dileptons and Photons in pp,dA,and AACollisions by Photoproduction Processes . Physical Review . 2011
- FU Yong-ping,LI Yun-de. Jet-Photon Production at RHIC and LHC . Chinese Physics . 2009
- J. Kapusta,P. Lichard,D. Seibert. High energy photons from quark-gluon plasma versus hot hadronic gas . Nuclear Physics A . 1992
- FU Yong-ping,LI Yun-de. Intermediate Mass Dileptons from the Passage of Jets and High Energy Photons throughQuark-gluon Plasma . Chinese Physics . 2010
- PEITZMANN T,THOMA M H. Direct Photons from Relativistic Heavy-ion Collisions . Physics Reports . 2002
- KAPUSTA J,LICHARD P,SEIBERT D. High Energy Photons from Quark-gluon Plasma Versus Hot Hadronic Gas . Physical Review . 1991
- TURBIDE S,GALE C,JEON S,et al. Energy Loss of Leading Hadrons and Direct Photon Production in EvolvingQuark-Gluon Plasma . Physical Review . 2005
Related Articles