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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2017, Vol. 41> Issue(1) : 014101 DOI: 10.1088/1674-1137/41/1/014101

Energy dependence of resonance production in relativistic heavy ion collisions

  • 1.

      School of Physics and Engineering, Qufu Normal University, Shandong 273165, China

  • 2.

      Department of Physics, Jining University, Shandong 273155, China

  • The production of the hadronic resonances K*0(892), φ(1020), Σ*(1385), and Ξ*(1530) in central AA collisions at √sNN= 17.3, 200, and 2760 GeV is systematically studied. The direct production of these resonances at system hadronization is described by the quark combination model and the effects of hadron multiple-scattering stage are dealt with by a ultra-relativistic quantum molecular dynamics model (UrQMD). We study the contribution of these two production sources to final observation and compare the final spectra with the available experimental data. The pT spectra of K*0(892) calculated directly by quark combination model are explicitly higher than the data at low pT≤1.5 GeV, and taking into account the modification of rescattering effects, the resulting final spectra well agree with the data at all three collision energies. The rescattering effect on φ(1020) production is weak and including it can slightly improve our description at low pT on the basis of overall agreement with the data. We also predict the pT spectra of Σ*(1385) and Ξ*(1530), to be tested by the future experimental data.
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  • References

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Feng-Lan Shao, Jun Song, Rui-Qin Wang and Mao-Sheng Zhang. Energy dependence of resonance production in relativistic heavy ion collisions[J]. Chinese Physics C, 2017, 41(1): 014101. doi: 10.1088/1674-1137/41/1/014101
Feng-Lan Shao, Jun Song, Rui-Qin Wang and Mao-Sheng Zhang. Energy dependence of resonance production in relativistic heavy ion collisions[J]. Chinese Physics C, 2017, 41(1): 014101.  doi: 10.1088/1674-1137/41/1/014101 shu
Milestone
Received: 2016-08-19
Revised: 2016-09-23
Fund

    Supported by National Natural Science Foundation of China (11575100, 11305076, 11505104)

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Energy dependence of resonance production in relativistic heavy ion collisions

    Corresponding author: Feng-Lan Shao,
  • 1.  School of Physics and Engineering, Qufu Normal University, Shandong 273165, China
  • 2.  Department of Physics, Jining University, Shandong 273155, China
  • Received Date: 2016-08-19
  • Accepted Date: 2016-09-23
  • Available Online: 2017-01-05
Fund Project:  Supported by National Natural Science Foundation of China (11575100, 11305076, 11505104)

Abstract: The production of the hadronic resonances K*0(892), φ(1020), Σ*(1385), and Ξ*(1530) in central AA collisions at √sNN= 17.3, 200, and 2760 GeV is systematically studied. The direct production of these resonances at system hadronization is described by the quark combination model and the effects of hadron multiple-scattering stage are dealt with by a ultra-relativistic quantum molecular dynamics model (UrQMD). We study the contribution of these two production sources to final observation and compare the final spectra with the available experimental data. The pT spectra of K*0(892) calculated directly by quark combination model are explicitly higher than the data at low pT≤1.5 GeV, and taking into account the modification of rescattering effects, the resulting final spectra well agree with the data at all three collision energies. The rescattering effect on φ(1020) production is weak and including it can slightly improve our description at low pT on the basis of overall agreement with the data. We also predict the pT spectra of Σ*(1385) and Ξ*(1530), to be tested by the future experimental data.

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