Journal ArticleDOI
Penning ionization electron spectroscopy: Ionization of mercury
Vladimír Čermák,Zdenek Herman +1 more
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In this article, the electron energy distribution in ionization of mercury by He* (23S), He*(21S), Ne* and Ar* was measured and the first three ionization potentials determined.About:
This article is published in Chemical Physics Letters.The article was published on 1968-10-01. It has received 47 citations till now. The article focuses on the topics: Thermal ionization & Ionization.read more
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De‐excitation Rate Constants for Helium Metastable Atoms with Several Atoms and Molecules
TL;DR: In this paper, the deexcitation rate constants for He(21S) and He(23S) metastables have been measured with the following gases: Ne, Ar, Kr, Xe, H2, D2, N2, CO, NO, NH3, SF6, CH4, C2H6, C3H8, and C4H10.
Journal ArticleDOI
Analyses of Ions and Electrons Resulting from Penning Ionization
TL;DR: The energy dependence of the total ionization cross section, of its associative fraction, and of the electron energy distribution are compared for the two contrasting groups of repulsive and attractive Penning ionizing systems in the thermal collision energy range.
Journal ArticleDOI
Reactions of excited atoms and molecules with atoms and molecules
H. Hotop,A. Niehaus +1 more
TL;DR: In this paper, the vibrational population factors as well as vibrational spacings are reported for the accessible electronic states of the molecular ion for the two different processes of penning electron and photoelectron spectra arising from the ionization of H2, N2 and CO by the metastables He*(1s2s1,3S) and Ne(2p53s 3P0,2), and by the resonance radiation He( 2p → 1s; 584 A) and NE(3s → 2p; 736, 744
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Review of Laser-Induced Plasma, Its Mechanism, and Application to Quantitative Analysis of Hydrogen and Deuterium
TL;DR: A comprehensive review of important progress achieved over the last 30 years regarding knowledge of laser-induced plasmas generated by CO2 and Nd:YAG lasers in a variety of ambient gases is presented in this article.
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Excitation mechanisms in He–Cd and He–Zn ion lasers
TL;DR: In this paper, it was shown that thermal energy charge transfer is the primary source of excitation for high-lying Zn II and Cd II laser levels, with configurations of the type 3d 10nx and 4d 10 nx, respectively, whereas the main source of energy excitation of the Zn 2 and Zn 3d 94s 2 and 4D 95s 2 laser levels is Penning ionization.
References
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Photoionization from Outer Atomic Subshells. A Model Study
TL;DR: In this paper, the authors used the Hartree-Fock potential to model the light absorption by a single electron moving in a potential similar to the potential appropriate to the outer subshell of each atom and classified atomic subshells into two types with different spectral distributions of oscillator strength.
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Retarding‐Potential Measurement of the Kinetic Energy of Electrons Released in Penning Ionization
TL;DR: In this paper, the kinetic energy of electrons released in ionization of N2, CO, NO, COS, CO2, C2H2, CH4, C 2H6, C3H8, and n•C4H10 by means of helium atoms in metastable 21S and 23S states was measured and the energy of electronically excited ionic states determined.
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Massenspektrometrische Untersuchung der Photoionisation von Molekülen
TL;DR: In this paper, relative Ionisationsquerschnitte for Moleküle O2, H2O, D2O and C2H2, C4H4, C6H6, CH4 and C7H16 were gemessen.