碰撞截面

快速氢原子与原子氦碰撞截面计算

Computing of Fast H Atom and He Atom Collision Cross Section

分子电性作用矢量法定量预测单质子化肽段离子迁移谱碰撞截面

Novel Molecular Electronegativity Interaction Vector and Its Application in Quantitative Prediction for Collision Cross Section of Ion Mobility Spectrometry of Singly Protonated Peptides

慢电子与K、Rb原子弹性碰撞截面的计算

Calculation of elastic cross sections for low-energy electron impact on potassium and rubidium atoms

He原子与HI分子碰撞截面的密耦计算

Close-coupling calculation of the cross sections for collision between helium atoms and hydrogen iodide molecules

低能电子与Kr、Xe弹性碰撞截面的计算

Calculation of cross sections for elastic scattering of low-energy electrons by Kr and Xe

在实验上观察到这种新的光子回波，并用其测量了3~2D>+3~2P（3/2）>Na和Ar的碰撞截面。

This new echo has been observed experimentally and used to measure the collisional cross-section between │ 3 ~ 2D 〉 + │ 3 ~ 2P_ ( 3 / 2 )〉 Na and Ar.

得到的结果可以分成两部分：1.证实了在能量亏损小于leV时存在着共振的碰撞截面，符合已有的理论计算；

The results may be divided into two parts : ( 1 ) The resonant collision cross-sections for the energy defect less than 1 eV , which are consistent with the known theory ;

用加速器实验得到的P-P碰撞截面的最新资料和一个合理的扩散系数，得到了该方程的解，进而讨论了该解的一些特点以及诸多类似点源对地球附近质子谱的可能贡献。

The non-steady state solution of the equation is obtained utilizing the very recent data of cross-section of P-P interaction and a reasonable diffusion coefficient . Then some features of the solution and the possible contribution to the proton spectrum from lots of this kind of sources are discussed .

核子碰撞截面的介质修正对多重碎裂的影响

Influence of Medium Correction of Nucleon-Nucleon Cross Section on Fragmentation

电感耦合氩等离子体中的碰撞截面和输运系数

Collision cross sections and transport coefficients in an inductively coupled argon plasma

电子与原子（离子）碰撞截面研究

The Study of Electron-atom ( electron-ion ) Collision Cross Sections

原子核阻止是核子-核子碰撞截面的可能探针

Nuclear Stopping as a Probe to Nucleon-Nucleon Cross Section in Heavy Ion Collisions

在非相对论能量下介质中的核子－核子碰撞截面

In Medium Nucleon-Nucleon Cross Section at Nonrelativistic Energy Region

基于大尺度数据库的肽离子迁移谱碰撞截面定量预测模型

Large-scale database-based quantitative model for predicting ion mobility spectrometry collision cross sections of peptides

HCl-He相互作用势及碰撞截面的理论计算

The interaction potential effect on scattering cross section

低能电子与第二周期元素原子碰撞截面的理论计算

Calculation of Scattering Cross Section of the Electron and the Second Period Element Atom

这就意味着动量相关作用明显地提高了原子核阻止对于核子-核子碰撞截面的灵敏性。

Namely , MDI increases the sensitivity of the nuclear stopping on the isospin dependence nucleon-nucleon cross section .

等离子的基元反应，即平均自由程及碰撞截面、能量转移方式、基元反应举例和氧等离子的化学反应。

Basic reactions such as average free distance and collision section , energy transferring way , examples of elementary reaction .

星际分子正-NH3和He的超精细跃迁碰撞截面和速率系数的理论计算

Theoretical calculations of the collision cross sections and rate coefficients for the hyperfine transitions of interstellar molecular ortho-nh_3 colliding with he

可以将此技术作为标准方法测量超冷原子的碰撞截面。

This technique can be a normative method to acquire collision cross sections of ultracold atoms with other background gases in the further work .

测得这种能量转移过程的速率系数和碰撞截面，可以获得原子之间以及原子与分子之间相互作用势的许多信息。

We can obtain a lot of information about interactional potential between atoms or atoms and molecules by measuring rate coefficients and cross sections .

本文计算了电感耦合氩等离子体中各碰撞截面及电导、热导、扩散和粘滞系数。

Collision cross sections as well as electrical conductivity , thermal conductivity , diffusion coefficients and viscosity coefficients of an inductively coupled argon plasma are calculated .

本文将条纹干涉仪与透射仪联合使用，测定了在某些温度下慢电子与中性粒子的平均碰撞截面。

Moreover , the average collision cross-section between a slow electron and a neutral particle is measured at several different temperatures using both the interferometer and the transmission methods .

由于正离子荷质比和碰撞截面的与氩气的不同不同，氦气、氖气放电鞘层附近电子峰值明显，电子能量分布在鞘层形成之前近似服从麦克斯韦分布。

The differences of specific charge and cross section lead to the quasi-Maxwell energy distribution of electron before the cathode sheath formation , and the electron peak near the cathode sheath in helium and neon .

故认为在费米能量以上能区直至150MeV/u，原子核阻止是提取介质中核子-核子碰撞截面的一个新的物理观测量。

From this investigation , we propose that nuclear stopping can be used as a new probe to extract information on the isospin dependence of in-medium nucleon-nucleon cross section in intermediate energy heavy ion collisions .

结果表明：在包括动量相关作用在内的软势的情况下，介质修正明显地提高了自由核子的发射和中等质量碎片的多重性对于核子碰撞截面的同位旋依赖的敏感性。

The results show that the medium correction of isospin dependent nucleon nucleon cross section enhances the sensitivity of the free nucleons emission and multiplicity of intermediate mass fragments on the isospin effects of NN cross section .

计算结果表明，在多重碎裂过程中中等质量碎片多重性与带电粒子总数之间的关联是在所选能区提取介质中同位旋相关核子-核子碰撞截面的灵敏观察量。

The calculation results show that the correlation between the intermediate mass fragment multiplicity N imf and the total number of charged particles N c is a sensitive observable for probing in medium isospin dependent nucleon nucleon cross section in the chosen energy region .

理论上计算了S2B－X态电子碰撞激发截面，得出电子碰撞非谐振激励特性，并从实验上加以验证。

The excitation cross sections for electron collisions with S2 ( B-X ) were calculated . the nonresonant excitation property of electron collisions with S2 was testified theoretically and experimentally .

高能入射电子与原子离子碰撞激发截面

Electron impact excitation of atoms ( ions ) by high-energy electron

原子的电子碰撞电离截面的高精度计算

An accurate calculation for impact ionization cross sections of atoms by electron