快度

高能p－A碰撞中领头粒子快度分布的几何效应和碎裂效应

Geometric and Fragmentation Effects of Leading Particle Rapidity Distributions for High Energy p-Ag Collisions

赝快度分布dNA/dη也作了讨论。

The pseudo - rapidity distribution dN_A / d_ η is also discussed .

400GeV／cpp碰撞赝快度空间带电粒子数密度的研究

The Study of Particle Densities in Pseudorapidity Space in pp collisions at 400GeV / c

400GeV／cpp碰撞赝快度分布涨落的分形分析

Fractal Analysis of Pseudorapidity Distribution Fluctuation in 400 GeV / c pp Collisions

接着，用250gev／c能量下π~+p和k~+p碰撞多粒子产生的实验数据，我们计算了所有四个表征事件快度间隔起伏的矩sq，（？）q，∑q和（？）

Then for the experimental data produced by r + p and K + p collisions at 250 GeV / c , the four moments which describe event rapidity gaps fluctuations , are calculated .

非均匀集体流理论可以解释AGS能区的末态粒子最新的分布特征，尤其是解释了困扰实验和理论物理学家多年的快度中心分布下凹现象。

Especially , it can explain the gap of central rapidity phenomenon distribution that puzzled physicists for many years .

158AGev的相对论重离子碰撞的强子快度分布及温度拟合

Rapidity Distributions and Thermal Fits for Relativistic Heavy-Ion Collisions at 158A GeV

在很普遍的条件下证明了，当碰撞核不很轻，快度窗口不很窄时，多重数n的归一化矩近似等于参与碰撞核子数N的归一化矩。

It is proved under very general conditions that , when the target mass is not extremely light and the rapidity window not very narrow , the normalized moments of the multiplicity are approximately equal to that of the number of participating nucleons .

计算了CERN和BNL两个能区的中心快度横能分布，成功地解释了高能时横能分布随靶核质量增加的加宽和低能时的饱和。

The transverse energy distribution in central rapidity region at both CERN and BNL energy domains are calculated .

本文指出，夸克组合中快度近关联与QCD的要求一致，并与慢强子先产生原则一起，完全确定夸克组合律，并自动排除重子偶素的产生。

We show that the near correlation in rapidity is consistent with the requirements of QCD , and completely determines the combination rule of quarks .

本文分析了欧洲核子研究中心（CERN），质心系能量为540GeV质子反质子对撞机上UA-1实验的最小偏置触发条件下9万个事例的多重末态粒子前向后向快度关联。

The correlation of forward-backward multiplicities about 9 × 10 ~ 4 events under minimum-bias trigger condition of UA-1 experiment on 540 GeV proton antiproton collider at CERN is reported .

首先，在冲度坐标系中，选取快度y，横动量pt和方位角φ为相空间变量，对多粒子末态相空间进行各向同性分割，计算三维归一化阶乘矩（NFM）。

And in the thrust coordinate system , choose the rapidity y , transverse momentum pt , azimuthal angle φ as the variables in the phase space . With isotropic partition of the chosen phase space , calculate the three-dimensional normalized factorial moments ( NFM ) .

利用强子-强子碰撞的模型PYTHIA以及核-核碰撞的模型RQMD比较了各种电荷起伏测量量的快度依赖性，结果发现，这些测量量对快度的依赖性依赖于模型。

The dependencies of all suggested measures for charge fluctuation on the size of rapidity window are compared by using the hadronic and nuclear collision models & PYTHIA and RQMD .

理论计算结果较好地符合了PHENIX合作组的实验数据。最后，在较宽的质心能量范围内，研究了带电粒子的中心度和快度的依赖关系。

Our calculated results are approximately in agreement with the experimental data of the PHENIX Collaboration . Thirdly , in a wide energy range , the dependences of charged particle pseudorapidity distributions on impact parameter and center-of-mass energy are studied .

假定强子－核作用中的产生粒子相对于反应体质心系各向同性衰变，给出了强子－核作用中横能快度分布，计算结果能够解释最新的HELIOS合作组的实验结果。

Assuming that the produced particles decay isotropically in the center of mass system , the transverse energy rapidity distribution in hadron-nucleus interactions is derived . The calculated results are in a good agreement with the experimental data given by HELIOS collaboration working at CERN / SPS .

正负电子湮灭中粒子的快度分布

Particle Rapidity Distribution in e ~ + e ~ - Annihilation

400GeV/cpp碰撞赝快度间隔长度分布

Pseudorapidity Gap Length Distributions in pp Collisions at 400GeV / c

发现了粒子鉴别前后两种实验事件快度分布的变化。

The change of rapidity distribution after particles identification is found .

高能不等核碰撞的末态粒子快度分布与流体力学模型

Rapidity distributions in unequal nuclei collision at high energies and hydrodynamical model

研究了长程关联对快度间隔的依赖性。

The dependence of long range correlation on rapidity gap is studied .

研究了固定多重数时的两粒子赝快度关联。

Two-particle pseudorapidity correlations at fixed multiplicity have been studied .

高能强子-核作用中快度分布的核几何依赖性

Dependence of Rapidity Distribution on nuclear geometry in high energy hadron-nucleus collisions

相对论重离子碰撞中的负粒子快度分布

Negative Particle Rapidity Distribution in Relativistic Heavy Ion Collisions

理想气体模型中粒子的快度与赝快度分布

Particle Rapidity and Pseudorapidity Distributions in Ideal Gas Model

富重子夸克-胶子物质双轻子产生的快度依赖

Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter

重子数守恒对净质子快度分布的影响

Influence of Baryon Number Conservation on Net-Proton Rapidity Distribution

400GeV/cpp碰撞半单举带电粒子赝快度分布测量

Measurement of Semi-Inclusive Charged Particle Pseudorapidity Distributions in pp Collisions at 400GeV / c

深度非弹性散射中的大快度间隔事件与雷吉子

Large Rapidity GaP Events and Reggeon in DIS

高能中微子与核乳胶碰撞中的相对赝快度和簇射粒子数密度研究

Relative Pseudorapidity and Number Density of Shower Particles in High Energy Neutrino emulsion Collisions

快度中心区强子物质输运系数和粘滞流体演化

Transport Coefficients and Viscous Hydrodynamical Evolution of Hadron Matter in the Central Rapidity Region