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29 March 2024
 
  » arxiv » 1110.4825

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Di-electron production from vector mesons with medium modifications in heavy ion collisions
Hao-jie Xu ; Hong-fang Chen ; Xin Dong ; Qun Wang ; Yi-fei Zhang ;
Date 21 Oct 2011
AbstractWe reproduce the di-electron spectra in the low and intermediate mass regions in most central Au+Au collisions by the STAR Collaboration. The medium modification for vector mesons are included via the hadronic many body effective theory. The freezeout contributions from vector mesons are also included. The hadron transverse momentum spectra are described by a 2+1 dimensional ideal hydrodynamic model. The background from semi-leptonic decays of charm mesons are simulated by the PYTHIA event generator and corrected by nuclear modification.
Source arXiv, 1110.4825
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