| 1. | We also study the transverse momentum distribution of dy pairs for n - p collision at the energies of rhic and lhc
并且在同样能量下，给出了dy轻子对的横动量分布。 |
| 2. | Measurements of azimuthal anisotropies in the transverse momentum distribution of particles can probe the very early stages of ultra - relativistic heavy - ion collisions
这其中，最重要的就是相对论流体力学。其基本假设是系统达到了局域的热平衡和化学平衡。 |
| 3. | By widening the width of gaussian transverse momentum distribution in string fragmentation . luciae reproduced the o mesons rapidity distribution , transverse mass distribution , and also the enhancement factor of o meson in pb - pb relative to p - p collisions
介子； ‘ ’ ‘土影响不人， lu 1模拟的结果同时大明：通过加宽弦碎裂为叨对的内禀描动量分布的宽度， 。 |
| 4. | This article deduces molecular beam ' s momentum distribution function , calculates mean momentum , root mean square momentum and furthorest possible momentum , and compares them with the characteristic physics quantities corresponding to molecular beam ' s speed distribution function one by one
摘要本文首先推导出分子束的动量分布函数，然后计算了平均动量、均方根动量和最概然动量，并与分子束的速率分布函数相应的特征物理量逐一比较。 |
| 5. | A nuclear dependence of the qt distributions , should also occur for high - mass pairs produced in nuclear drell - yan process . in 1987 , the na10 collaboration in cern present the first clear evidence for a nuclear dependence of the transverse momentum distribution of massive muon pairs produced in hadronic interactions
在高能强子反应中，末态强子的大横动量分布具有明显的核相关性，这种效应也应出现在高能核drell - yan过程的大质量轻子对产生过程中。 |
| 6. | Since in the few - body glauber theory the core and valence nucleons of a halo nucleus are treated separately , the obtained expressions of the reaction cross section , the nucleon removal cross section and the momentum distribution are all involved in multidimensional integrations
由于在少体近似glauber模型中晕核被分成核芯和晕核子来处理，所以得到的晕中国原子能科学研究院博士学位论文核散射反应截面、核子逃逸截面以及动量分布的计算公式均包含高重积分。 |
| 7. | Therefore we could carry out numerical calculations and obtain the reaction cross section , the nucleon removal cross section and the momentum distribution in the scattering of a halo nucleus with any types of density distributions . we compare the reaction cross sections calculated in the few - body glauber theory and the optical - limit glauber theory
进一步对27p 、 28p反应截面的研究分析表明，考虑核芯2751的增大可以很好解释实验测量得到28p反应截面的增大，而要解释27p反应截面的异常增大，需要同时考虑核芯2 “ si增大和具有非常弥散空间分布的2s ， ， :态晕核子。 |
| 8. | Particularly an analytical expression for the longitudinal momentum distribution is derived if the density distribution of halo nucleons is assumed as a gaussian type function . a direct connection of the width of the momentum distribution to the bound state wave function of halo nucleons is established
特别是在晕核子的纵向和横向密度分布可分离的情况下，如高斯密度分布，进一步求解了纵向动量分布宽度的解析形式，建立了分布宽度与晕核子束缚态波函数之间的直接联系。 |
| 9. | Using rqmd to generate 80 , 000 monte carlo mini - bias events of 197au + 197 au collisions at snn = 200gev , we study the transverse momentum distribution , particle ratios and the freeze - out time and transverse radius distributions of final state hadronic system , comparing them with the reported experimental results
通过研究末态强子的横动量分布以及粒子比，特别是对带电、 k 、 p和( ? )的平均横动量的研究及与实验比较，我们试图研究在高能核碰撞中早期部分子集体行为。 |
| 10. | The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow . based on thoma ' s theory , a formula of the critical stable sectional area is derived . 5
基于gardel关于三通管水头损失的经验公式，研究分析了连接管处的速度水头以及进出调压室水体与尾水隧洞水体之间的动量交换，对有连接管的尾水调压室稳定断面积的影响，并在托马( thoma )假定基础上，推导出相应的调压室稳定断面的计算公式； 5 |
