Energy dependence of resonance production in relativistic heavy ion collisions
Energy dependence of resonance production in relativistic heavy ion collisions
作者: Feng-Lan ShaoJun SongRui-Qin WangMao-Sheng ZhangSchool of Physics and Engineering,Qufu Normal UniversityDepartment of Physics, Jining University
刊名: 中国物理C, 2017(01), pp.91-96
中文刊名: Chinese Physics C, 2017(01), pp.91-96
来源数据库: CJFDTEMP_U
DOI: CNKI:SUN:KNWL.0.2017-01-009
关键词: resonance productionquark combinationrelativistic heavy ion collisions
英文摘要: The production of the hadronic resonances K~(*0)(892),φ(1020),∑*(1385),and Ξ*(1530) in central AA collisions at(SNN)~(1/2)=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 p_T spectra of K~(*0)(892) calculated directly by quark combination model are explicitly higher than the data at low p_T■1.5 GeV,and taking into account the modification of rescattering effects,the resulting final spectra well agree with...
中文摘要: The production of the hadronic resonances K~(*0)(892),φ(1020),∑*(1385),and Ξ*(1530) in central AA collisions at(SNN)~(1/2)=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 p_T spectra of K~(*0)(892) calculated directly by quark combination model are explicitly higher than the data at low p_T■1.5 GeV,and taking into account the modification of rescattering effects,the resulting final spectra well agree with...
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