Φ Meson Production and String Fragmentation Function in Relativistic Nucleus-Nucleus Collisions

SA Ben-Hao; WANG Zhong-Qi; SU Zong-Di; LU Zhong-Dao; ZHOU Dai-Mei

Chinese Physics C> 2003, Vol. 27> Issue(2) : 147-149

Φ Meson Production and String Fragmentation Function in Relativistic Nucleus-Nucleus Collisions

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China3 Institute of Theoretical Physics,CAS,Beijing 100080,China

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Abstract：
Using a hadron and string cascade model,LUCIAE,the Φ meson production in relativistic nucleus-nucleus collisions was systematically investigated from AGS energy,to SPS,to RHIC,up to LHC energy. After considering the energy dependence of the model parameter in string fragmentation function and fitting it to the experimental data of charged multiplicity,the results of Φ meson yield were comparable with experimental data. The obtained string fragmentation variable showed a saturation in dependence with energy,that might be a qualitative representation of the energy dependence of nuclear transparency.

References

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SA Ben-Hao, WANG Zhong-Qi, SU Zong-Di, LU Zhong-Dao and ZHOU Dai-Mei. Φ Meson Production and String Fragmentation Function in Relativistic Nucleus-Nucleus Collisions[J]. Chinese Physics C, 2003, 27(2): 147-149.

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Received: 2002-04-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Φ Meson Production and String Fragmentation Function in Relativistic Nucleus-Nucleus Collisions

Corresponding author: SA Ben-Hao,

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Particle Physics,Huazhong Normal University,Wuhan 430079,China3 Institute of Theoretical Physics,CAS,Beijing 100080,China

Received Date: 2002-04-18
Accepted Date: 1900-01-01
Available Online: 2003-02-05

Abstract: Using a hadron and string cascade model,LUCIAE,the Φ meson production in relativistic nucleus-nucleus collisions was systematically investigated from AGS energy,to SPS,to RHIC,up to LHC energy. After considering the energy dependence of the model parameter in string fragmentation function and fitting it to the experimental data of charged multiplicity,the results of Φ meson yield were comparable with experimental data. The obtained string fragmentation variable showed a saturation in dependence with energy,that might be a qualitative representation of the energy dependence of nuclear transparency.