国家自然科学基金(90503001)

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Imaging source with Gaussian proper time distribution
《Chinese Physics C》2009年第8期661-665,共5页陈丽珠 柯宏伟 吴元芳 
Supported by National Natural Science Foundation of China (10835005, 90503001, 90103019)
Making use of the maximum entropy method, we study the most probable source function in heavy ion collisions. An anisotropic Gaussian source is deduced by simply assuming that the particles are emitted within a finite...
关键词：HBT correlation source function the maximum entropy method proper-time distribution 
Centrality,azimuthal and rapidity dependence of two-particle transverse-momentum correlation in relativistic heavy ion collisions
《Chinese Physics C》2009年第4期281-284,共4页黄燕萍 吴元芳 
Supported by National Natural Science Foundation of China (90503001, 10610285, 10775056)
The centrality, azimuthal and rapidity dependence of two-particle transverse-momentum correlations are studied for Au-Au collision at 200 GeV using RQMD （relativistic quantum molecular dynamics） with and without fin...
关键词：CENTRALITY azimuthal RAPIDITY TRANSVERSE-MOMENTUM correlation. 
Trace initial interaction from final state observable in relativistic heavy ion collisions
《Chinese Physics C》2009年第1期36-41,共6页王美娟 刘连寿 吴元芳 
Supported by National Natural Science Foundation of China (90503001, 10610285, 10775056)
In order to trace azimuthal angle dependence of the initial interaction in ultra-relativistic heavy ion collision, two azimuthal multiplicity-correlation patterns neighboring and fixed-to-arbitrary angularbin correlat...
关键词：angular-bin correlation patterns CENTRALITY IN-PLANE OUT-OF-PLANE 
A Monte Carlo study on the production scale and internal structure of jets in high energy collisions
《Chinese Science Bulletin》2008年第24期3808-3815,共8页CHEN Gang YU MeiLing LIU LianShou 
Supported by the National Natural Science Foundation of China (Grant Nos.10775056,90503001)
The production scale and internal structure of jets produced in high energy collisions were studied using Jetset and Herwig Monte Carlo generators. Two scales were found. One is the jet-development scale, which determ...
关键词：高能碰撞 喷气技术 射流范围 物理研究 
Entropy and equilibrium property of QCD-instanton induced final state in deep-inelastic scattering
《Chinese Physics C》2008年第1期13-17,共5页邓为炳 陆丁 张纪英 许明梅 Boris Levchenko 刘连寿 
Supported by NSFC-RFBR Cooperative Research Project(10475030,05-02-39028-NNSF-a);NSFC(10375025,90503001);Ministry of Education of China NO CFKSTIP-704035
The scaling and additivity properties of Rényi entropy in rapidity space of the instanton final state （IFS） and current jet identified by the r-sorting method from the QCDINS Monte Carlo event sample are studied. A...
关键词：INSTANTON quark-gluon fusion deep-inelastic scattering ENTROPY local equilibrium 
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