Dilepton production at next-to-leading order and intermediate invariant-mass observables

被引:6
|
作者
Churchill, Jessica [1 ]
Du, Lipei [1 ]
Gale, Charles [1 ]
Jackson, Greg [2 ,3 ]
Jeon, Sangyong [1 ]
机构
[1] McGill Univ, Dept Phys, 3600 Univ St, Montreal, PQ H3A 2T8, Canada
[2] Univ Washington, Inst Nucl Theory, Box 351550, Seattle, WA 98195 USA
[3] Univ Nantes, SUBATECH, IMT Atlantique, IN2P3 CNRS, 4 Rue Alfred Kastler,La Chantrerie BP 20722, F-44307 Nantes, France
基金
加拿大自然科学与工程研究理事会;
关键词
QUARK-GLUON PLASMA; FINITE-TEMPERATURE; THERMAL PHOTONS; COLLISIONS; RADIATION; EMISSION; RAPIDITY;
D O I
10.1103/PhysRevC.109.044915
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The thermal QCD dilepton production rate is calculated at next -to -leading order in the strong coupling and at finite baryon chemical potential. The two -loop virtual photon self -energy is evaluated using finite temperature field theory and combined consistently with the self -energy in the Landau-Pomeranchuk-Migdal regime. We present new results for a dense baryonic plasma. The rates are then integrated using (3 + 1) -dimensional fluiddynamical simulations calibrated to reproduce hadronic experimental results obtained at the BNL Relativistic Heavy Ion Collider (RHIC) at energies ranging from those of the Beam Energy Scan to .,root s (NN) = 200 GeV. We elaborate on the ability of dileptons to relay information about the plasma baryonic content and temperature.
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页数:17
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