Articles with "electron impact" as a keyword



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Electron impact single ionization for Si atom

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Published in 2020 at "Atomic Data and Nuclear Data Tables"

DOI: 10.1016/j.adt.2020.101363

Abstract: Abstract Single ionization by electron impact is studied in the Si atom by performing level-to-level calculations. Direct and indirect processes of the ionization are investigated for all levels of the ground configuration. It is demonstrated… read more here.

Keywords: single ionization; impact single; ionization; cross sections ... See more keywords
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Cross section ratios of double-to-single K-shell ionization induced by electron impact in metallic Sc, Cr and Cu targets

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Published in 2019 at "Journal of Electron Spectroscopy and Related Phenomena"

DOI: 10.1016/j.elspec.2019.01.003

Abstract: Abstract The double K-shell ionization of Sc, Cr and Cu induced by electron impact was investigated via high energy resolution measurements of the Kα diagram transitions and the transitions resulting from the radiative decay of… read more here.

Keywords: electron impact; ionization induced; shell; ionization ... See more keywords
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Relativistic multiconfiguration Dirac–Fock calculations of photoionization, electron-impact ionization, Auger decay, and relaxed-orbital oscillations of Cu ions

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Published in 2020 at "Journal of Electron Spectroscopy and Related Phenomena"

DOI: 10.1016/j.elspec.2020.146994

Abstract: Abstract Core-hole creation and decay are of tremendous importance in both theory and applications. However, different ionization approaches and decay channels, especially at L-shell, bring many challenges to accurate simulation. In order to understand the… read more here.

Keywords: electron impact; impact; ionization; ionization state ... See more keywords
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Electron Impact Excitation of Ions from Organics on Singly Protonated Peptides with and without Post-Translational Modifications.

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Published in 2022 at "Journal of the American Society for Mass Spectrometry"

DOI: 10.1021/jasms.2c00146

Abstract: We report on the dissociation of singly protonated peptides by electrons using electron-activated dissociation (EAD), which comprises electron impact excitation of ions from organics (EIEIO), electronic-excitation dissociation (EED), and electron ionization dissociation (EIoD). Various singly… read more here.

Keywords: singly protonated; dissociation; electron impact; protonated peptides ... See more keywords
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Structural Identification of Eicosanoids with Ring Structures Using Differential Mobility Spectrometry-Electron Impact Excitation of Ions from Organics Mass Spectrometry.

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Published in 2022 at "Journal of the American Society for Mass Spectrometry"

DOI: 10.1021/jasms.2c00256

Abstract: We developed a structural identification method for eicosanoids with various ring structures using mass spectrometry. We discovered that an electron beam with a kinetic energy of 10 eV, which is in the Electron Impact Excitation… read more here.

Keywords: ring structures; mass spectrometry; electron impact; spectrometry ... See more keywords
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Formation of H3+ from ethane dication induced by electron impact

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Published in 2020 at "Communications Chemistry"

DOI: 10.1038/s42004-020-00415-9

Abstract: Hydrogen migration plays an important role in the chemistry of hydrocarbons which considerably influences their chemical functions. The migration of one or more hydrogen atoms occurring in hydrocarbon cations has an opportunity to produce the… read more here.

Keywords: state; chemistry; formation; ethane dication ... See more keywords
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Electron-impact single ionization of Si+

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Published in 2020 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/202038266

Abstract: Electron-impact single ionization is studied in the Si+ ion by considering transitions among energy levels. The study includes excitation-autoionization (EA) and collisional ionization processes. The excitations are investigated up to shells with the principal quantum… read more here.

Keywords: single ionization; impact single; electron impact; ionization ... See more keywords
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Electron-impact ionization cross sections of new SF6 replacements: A method of combining Binary-Encounter-Bethe (BEB) and Deutsch-Märk (DM) formalism

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Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5119087

Abstract: Recently, much attention has been paid to some new carbon-fluoride gases, such as C2F4H2 (R134), C3F4H2 (HFO1234ze), C4F8, C4F7N, C5F10O, and C6F12O. All these gases present excellent dielectric strength and very low values of global… read more here.

Keywords: impact ionization; new sf6; formalism; ionization ... See more keywords
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Kinetics of highly vibrationally excited O2(X) molecules in inductively-coupled oxygen plasmas

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Published in 2018 at "Plasma Sources Science and Technology"

DOI: 10.1088/1361-6595/aab47d

Abstract: The high degree of vibrational excitation of O 2 ground state molecules recently observed in inductively coupled plasma discharges is investigated experimentally in more detail and interpreted using a detailed self-consistent 0D global kinetic model… read more here.

Keywords: excited molecules; inductively coupled; vibrationally excited; oxygen plasmas ... See more keywords
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Electron impact cross-sections and rate coefficients of Si+2 ion relevant to collisional radiative modeling of silicon plasma

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Published in 2023 at "Plasma Sources Science and Technology"

DOI: 10.1088/1361-6595/acda5c

Abstract: We report the fine structure resolved electron impact excitation cross-sections of Si+2 from its ground state 3s2 (J = 0) to the 41 excited fine structure levels of the configurations 3s3p, 3p2, 3s3d, 3s4s, 3s4p,… read more here.

Keywords: electron impact; cross; plasma; rate coefficients ... See more keywords
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Experimental data on low energy electron impact ionisation of W

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Published in 2017 at "Physica Scripta"

DOI: 10.1088/1402-4896/aa9239

Abstract: We present experimental data on the rate coefficient for electron impact ionisation of W atoms at electron temperatures between 5 and 10 eV. Our results undercut different theoretical data sets based on the Born approximation… read more here.

Keywords: experimental data; electron impact; impact ionisation;