
双电荷离子He2+与Ne,Ar原子碰撞中的激发态 - 物理学报
实验用光学多道分析系统(OMA)测量了He2+和Ne,Ar碰撞过程中的发射光谱,结果表明,这些碰撞体系存在着三种激发过程:双电子俘获激发过程、单电子俘获激发过程和直接激发过程。
最稳定的元素 - 知乎 - 知乎专栏
2023年7月26日 · 从原子核对电子的吸引能力来看,He的 核电荷数 是2,而Ne的是10,是He的5倍,其他4个稀有气体元素的核电荷数递增倍数都不超过2。而Ne只比He多1个电子层,原子核对电子的吸引力比He要强,更不容易失去电子。
He2+ collisions with Ne and Ar atoms into excited states
1989年5月1日 · Emission cross sections of HeI, HeII, NeI, NeII, and ArI, ArII have been obtained. Some comparisons of emission cross sections between He 2+ + Ne and He 2+ + Ar are given.
Measurements of absolute electron capture cross sections in He2…
2023年10月28日 · The total absolute cross sections of single- and double-electron capture (SEC and DEC) in the collisions of He2+ with He and Ne8+ with O2, N2, and CH4 were studied in the energy ranges 3.5–50 keV/u and 2.8–40 keV/u, respectively.
Single- and double-electron capture in low-energy Ne10+-He …
2001年7月11日 · For Ne 10+ + He collisions at 50 keV and 150 keV, the experimental scattering angle distributions obtained in the single capture process led to the validation of state-of-the-art close-coupling...
EXCITED STATES IN COLLISION PROCESS OF DOUBLE CHARGED ION He2+ WITH Ne ...
The emission spectra in collision process between He2+ and Ne, Ar have been measured using optical methods, by Optical Multichannel Analysis. System. The experimental results demonstrate that there are three channels of excitation in these collision systems: double-electron capture into excited states, single-electron capture into excited ...
Theoretical investigation of the electron capture and
2013年8月28日 · In the present contribution we investigate ionization and electron loss from the target for the collision systems p, p̅ , He2++Ne, and p+Ar in the energy range 10 keV/amu–1 MeV/amu.
Radiative charge transfer and radiative association in He${}^{+}+$ Ne …
2010年2月19日 · A fully quantum-mechanical approach is utilized to study the collision process of He with neutral neon, and the radiative charge transfer (RCT) and radiative association (RA) cross sections are presented in the energy range from 0.08 meV to 1 eV, while the optical potential and semiclassical methods are adopted to calculate the total radiative d...
Theoretical investigation of the electron capture and loss …
2013年8月28日 · The benchmark calculations are performed for the collisions of He(2+) + Ne, and the time evolution of electron density distribution is monitored, which provides interesting details of the interaction dynamics between the electrons and ion cores.
Scattering of low energy He2+ ions by Ne, Ar, and Kr atoms
1975年8月1日 · Experimental studies of collisions of He 2+ ions with Ne, Ar, and Kr atoms have been carried out at laboratory kinetic energies in the range 8 ⩽ E1 ⩽ 10 eV. For each collision pair, relative differential cross sections for elastic scattering, and for the formation of He + by single charge transfer [e.g., He 2+ + R = He + + (R +) *] were measured.