Chemical Potential of Resonance Matter and Particle Density, Energy Density
- Received Date: 2004-09-23
- Accepted Date: 2004-11-15
- Available Online: 2005-05-05
Abstract: The statistical property is studied for the resonance matter produced in relativistic heavy-ion collision. The relation between chemical potential of the resonant particle and net particle density is discussed. The total particle density and the energy density are calculated, and the relations between these densities and the net baryon density are analyzed. The ratio of the total particle density to the normal nuclear density(0.16fm)is estimated. It is about 5-8 in RHIC energy region and 3-6 in the SPS energy region. Finally, the character of the hadronic component at different regions is studied. It is found that in three temperature regions which correspond to the AGS, SPS and RHIC energy region, respectively, the main hadronic component is baryon, strange particle and meson, respectively.