Chemical Potential of Resonance Matter and Particle Density, Energy Density

HU Shou-Yang; FU Yuan-Yong; LU Zhong-Dao

Chinese Physics C> 2005, Vol. 29> Issue(5) : 472-475

Chemical Potential of Resonance Matter and Particle Density, Energy Density

China Institute of Atomic Energy,Beijing 102413,China

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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.

References

[1]

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HU Shou-Yang, FU Yuan-Yong and LU Zhong-Dao. Chemical Potential of Resonance Matter and Particle Density, Energy Density[J]. Chinese Physics C, 2005, 29(5): 472-475.

HU Shou-Yang, FU Yuan-Yong and LU Zhong-Dao. Chemical Potential of Resonance Matter and Particle Density, Energy Density[J]. Chinese Physics C, 2005, 29(5): 472-475. shu

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Received: 2004-09-23
Revised: 2004-11-15

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Chemical Potential of Resonance Matter and Particle Density, Energy Density

Corresponding author: HU Shou-Yang,

China Institute of Atomic Energy,Beijing 102413,China

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.

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Chemical Potential of Resonance Matter and Particle Density, Energy Density

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