氦原子

氦原子关联能的B样条计算

Calculation of the electronic correlation energy in helium atoms by means of B spline technique

ADC值的增加提示氦原子在测定过程中扩散到了更远的距离。

An increased ADC value indicates that the helium atoms were able to travel farther during the measurement time .

应用MonteCarlo方法计算氦原子显含电子相关波函数的基态能级

Calculation of Ground-State Energy of He by Wave Function Including Electronic Correlation Using Monte Carlo Method

氦原子（n1sn2p）组态精细结构的解析计算

The analytical calculation of the fine structure for n_1sn_2p configuration of helium-like atoms

氦原子sp组态的自旋-轨道相互作用精细结构参数

The fine structure parameter of the spin-orbit interactions for sp configuration of Helium atom

利用了氢原子飞渡时间谱实验方法对处于高n主量子数里德堡态的氢原子与氦原子的分子束散射过程进行了高分辨研究。

A high resolution study of the high-n Rydberg H atom scattering with helium was carried out using the H atom Rydberg tagging time-of-flight technique .

氦原子（e，2e）电离激发反应的三重微分截面

( e , 2e ) Triple differential cross sections for the ionization-excitation of helium

氦原子3~3D-2~3P衰变Stokes参数的测定

The Measurement of the Stokes Parameters of Helium 3 ~ 3D-2 ~ 3p Decay

极化电子碰撞谱仪的研制及氦原子积分Stokes参量实验研究

Design and Construction of Spin-polarized Electron Collision Apparatus and Study on Helium Integrated Stokes Parameters

本文用MonteCarlo方法模拟了偏滤器扁平抽气收集板附近区域的氦原子输运。

A Monte Carlo code " IDHET " has been utilized for simulating the transport of neutral helium near divertor target plate .

氦原子（e，2e）反应中库仑波描述入射电子的理论研究

A theoretical study on the Coulomb wave describing the incident electron for ( e , 2e ) processes on Helium

氦原子Rydberg态10G&10M磁精细结构的计算

The magnetic fine structure calculation of helium 10G & 10M Rydberg states

氦原子（e，3-1e）反应中未探测电子屏蔽效应的理论研究

A theoretical study on unobserved electron screening effects for ( e , 3-1e ) processes on helium

O~（3+）与氦原子碰撞过程的CTMC计算

CTMC calculation of O ~ ( 3 + ) + He impact processes

由0.7毫克的放射性锔244驱动，apxs利用α粒子（氦原子的原子核）和x-射线撞击样品使之产生可以被测量的化学成分。

Powered by 0.7 milligram of radioactive curium 244 , apxs irradiates samples with alpha particles ( nuclei of helium atoms ) and X-rays to make sensitive measurements of chemical makeup .

本文用电子-光子符合实验技术，通过偏振分析，在一定入射电子能量和背景气体压力下，同时得到氦原子3~3D-2~3P衰变的四个Stokes参数。

The measurements have been made of the stokes parameters of 3 ~ 3D-2 ~ 3P decay under specified incident electron energy , scattering angle and background pressure by using electron-photon coincidence technigue and polarization analysis .

本文在一阶Born近似下用最新的R矩阵程序以氦原子为例，计算了其从基态（11S）跃迁到激发态（21S，21P和21D）的广义振子强度。

The generalized oscillator strengths of helium atom from the ground state to the excited states ( 21S , 21Pand 31D et al ) are calculated using the updated R-matrix codes within the first Born approximation .

以氦原子（1s2p）3P态为例，借用类氢形式的径向函数对这些径向积分进行了近似计算。

Approximate evaluation for these radial integrations in the ( 1s2p )() ~ 3P state of helium is outlined , in which the hydrogen-like radial functions are employed .

同时，通过热释放实验（TDS）以及存放实验证明，氦原子在铝膜中的存在比较稳定，低于500℃的条件下加热或者室温长时间存放不会造成氦原子的大量释放。

The thermal desorption experiments ( TDS ) and aging experiments showed that the helium in aluminum are stable , heating under 500 ℃ or leaving it in room temperature by 120 days did not lead to helium desorption .

把二级玻恩近似（SBA）的方法推广至圆极化激光场，计算了发生多光子交换时的激光辅助电子被氦原子散射的微分散射截面。

In this paper , we extend the second Born approximation ( SBA ) to circular polarization laser , calculate the differential cross section ( DCS ) of laser assisted e He with multiphoton exchanging and analyze the results .

经碳原子弹性前冲散射分析（C-ERDA），薄膜中氦原子浓度可达约7%，且分布均匀。

C-elastic recoil detection analysis ( C-ERDA ) spectrum shows that the concentration of helium atoms in He-charged Al films is about 7 % .

实验中利用碳原子弹性前冲散射分析（C-ERDA）来测量氦原子的浓度及深度分布，结果证明氦在薄膜中的分布近似均匀。

The C ions elastic recoil detection analysis ( C-ERDA ) was used to measure the helium concentration and depth profile . It was suggested that the helium depth distribution is homogeneous in the film .

以此为基础，利用不可约张量理论，较为系统地研究了氦原子（1s2p）~3P态的精细结构，导出了氦原子精细结构参数的理论计算式；

Based on the tensor expression , fine structure of the ( 1 s 2p ) 3P state of Helium has been systematically studied and the formulae for the fine structure parameters are carried out with the help of the irreducible tensor theory .

用变分法求解氦原子的基态能量

Calculating the ground-state energy of helium atom by using variational method

用线性变分法计算氦原子能级

Linear Variation Method for Calculating Energy Levels of the Helium Atom

强激光场下氦原子电离的经典理论研究

The Classical Theoretical Investigation of He Ionization in Intense Laser Pulse

四参数法计算氦原子基态能级

Variational calculations ground level of the helium atom by four parameters

氦原子2~3P态自旋-其他轨道相互作用的理论计算

The spin-other-orbit interactions of 2 ~ 3P states of helium atom

一维氦原子非依次电离的经典模拟

Classical simulation of nonsequential ionization in ( one dimensional ) helium

如果氦原子失去了一个电子，我们得到了什么？

If helium loses on electron , what do we have ?