搜索结果: 1-8 共查到“物理学 200GeV/c”相关记录8条 . 查询时间(0.108 秒)
200GeV/c的质子-核碰撞中产生粒子的多重数分布与能量亏损
粒子 质子-核碰撞 200GeV/c
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2009/8/17
我们用多次碰撞模型分析了入射质子动量为200GeV/c的p-Ar和p-Xe碰撞中产生的负粒子的多重数分布. 在与靶核子的每一次碰撞中, 入射粒子损失能量, 损失的能量用于产生粒子的概念在计算中明确考虑, 理论结果与实验符合较好.
Centrality dependence of pT spectra for identified hadrons in Au+Au and Cu+Cu collisions at √sNN= 200GeV
relativistic high energy nucleus-nucleus collisions nuclear modification factor transverse collective flow quark combination model
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2009/8/17
The centrality dependence of transverse momentum spectra for identified hadrons at midrapidity in Au+Au collisions at √sNN= 200GeV is systematically studied in a quark combination model. The pT spectr...
200GeV AuAu碰撞中前快度区的微分椭圆流
elliptic flow rapidity dependence relativistic heavy-ion reactions
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2009/7/31
Identified particle elliptic flow results are presented for the Au+Au reaction at sNN=200GeV as a function of transverse momentum and pseudorapidity. Data at pseudorapidities η≈0,1, and 3.4 were obtai...
Snn=200GeV下Au-Au中心碰撞中di-omega产额上限的蒙特卡洛模拟
双重子 产额上限(ΩΩ)0+ (NΩ)022
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2009/7/31
根据现有的关于(ΩΩ)0+的生成截面的理论计算, 利用HIJING事例产生器研究
了s nn=200GeV下Au-Au中心碰撞中(ΩΩ)0+和NΩ022产生过程, 分别对(ΩΩ)0+的电磁作用产生过程和两步产生过程中的第一步过程进行了(ΩΩ)0+产率的计算, 给出了(ΩΩ)0+产额的上限. 对于电磁作用过程, 其产率为(1.097±0.293)×10-10. 同时我们也对(NΩ)022进行了初步...
Azimuthal anisotropy of direct photon is measured in sNN=200GeV Au+Au collisions at RHIC-PHENIX. Direct
photon is one of the most effective probes to study properties of
hot dence medium at initial ...
We study the polarization of produced Λ in s=200GeV polarized proton-proton collision at RHIC/PHENIX, and also the polarization as a function of its rapidity which may be sensitivity to the quark heli...
√S=200GeV质子对撞中横质量谱劈裂效应的PYTHIA模拟研究
横质量谱 弦碎裂 独立碎裂 多重部分子交叉反应
<
2009/5/26
Abstract在质心系能量为200GeV的质子－质子对撞中, 高横质量区域产生的强子横质量谱分裂成两类——重子和介子. 应用PYTHIA产生器进行Monte Carlo分析其内在的物理机制. 模拟结果表明, 这种劈裂效应不仅在弦碎裂模型中出现, 而且独立碎裂模型中也有, 并且在RHIC能区(200GeV)下主要来源于胶子的贡献. 在PYTHIA6.3版本中引入的新的物理机制表明复杂的弦纠缠(st...