Electron-impact excitation
Dirac R-matrix and Breit–Pauli distorted wave calculations of the electron-impact excitation of W44+
... A fairly recent work on the ionization balance of the W isonuclear sequence was conducted by P¨ utterich et al. [14]; therefore, we focus on considerations for another important spectral modelling quantity, the Photon ...
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Electron-impact excitation of Fe2+ : a comparison of intermediate coupling frame transformation, Breit-Pauli and Dirac R-matrix calculations
... of electron-impact excitation at low stages of ionization is less ...because electron-impact excitation is mediated by a two-body operator while the dominant fine-structure ...
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R-matrix electron-impact excitation data for the Mg-like iso-electronic sequence
... (DW) electron-impact excitation data for many ions in the ...sequence. Electron-impact excitation data are available for only a few of the most important ions, in most cases ...
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R-matrix electron-impact excitation data for the Na-like iso-electronic sequence
... and electron- impact excitation (EIE) of Ne-like ions are extremely com- plex, which results in there being large uncertainties in line intensity ratios (2p 5 3d 1 ...
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Electron impact excitation of neutral boron using the R matrix with pseudostates method
... accurate electron-impact excitation data along each of the aforementioned iosonuclear ...all excitation and ionisation rates from every ion stage has already been carried out [2, ...the ...
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Effect of Exchange and Absorption Potential in The Distorted <> Wave Calculation of Electron Impact Excitation of Auto Ionizing State of Rubidium
... Present alignment parameter results for electron impact excitation of the lowest autoionizing state in rubidium atom at various incident energies. Energy (eV) Static potential Static and[r] ...
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Importance of the completeness of the configuration interaction and close coupling expansions in R-matrix calculations for highly-charged ions : electron-impact excitation of Fe20+
... All of the iron ions have been studied during the course of the IRON project [8]. Several works exist for the electron-impact excitation of C-like Fe 20+ spanning several decades. Bhatia et al [9] ...
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R-matrix electron-impact excitation data for the B-like iso-electronic sequence
... higher electron energies to high temperature e ff ective collision strengths into account, the infinite energy Born limits (non-dipole allowed) and line strengths (dipole allowed) from autostructure were used to ...
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Electron Impact Excitation of 2 1S State of Helium Atom
... Here in our model (Singh , 2004) the initial state distorted wave is generated by the static potential of the helium atom in the initial state (1 IS ) a nd the final state distorted wave[r] ...
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Novel method for state selective determination of electron-impact-excitation cross sections from 0° to 180°
... scattered electron momenta for the excitation of a particular atomic state lie on a circle with a certain radius matching the corresponding excess ...to excitation of the 2 3 S state can be separated ...
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R-matrix electron-impact excitation data for the Be-like iso-electronic sequence
... As a sample of the results, we show in Fig. 2 the collision strengths for some important transitions within the n = 2 com- plex (see Del Zanna et al. 2008) for the benchmark ions in the Be-like sequence. We show four ...
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Atomic data from the IRON project - LI. Electron impact excitation of FeIX
... atomic model by Haug (1979) who added the effect of cascades from higher energy levels to the original calculation of Feldman et al. (1978). More recently, Fawcett & Mason (1991) reconsid- ered the atomic data ...
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Electron Impact Excitation of the Lowest Autoionizing State Incesium Using Distorted Wave Method
... lowest autoionizing state in cesium using first order distorted wave method. Double zeta wave functions were used[r] ...
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Analysis of DW and RDW Methods in the Excitation of Sr Atom by Electron Impact
... In the field of atomic collisions, the subject of electron-atom scattering has received the maximum attention. It is still of great interest and currently is a very rapidly expanding field in both the theoretical ...
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DIFFERENTIAL AND TOTAL IONIZATION OF HELIUM BY ELECTRON IMPACT
... of excitation cross section for neutral and highly charged ...for electron impact excitation of neutral atom have been shown to produce cross section for many neutral ...for electron ...
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Studies of Electron Energy Distribution Function (EEDF) in Lithium Vapor Excitation at 2S→3D Two Photon Resonance
... the electron growth rate and to confirm these results we compared our relation with that which obtained by McGeoch ...the electron density which created during the interaction of lithium vapor with laser ...
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Ionization of Hydrogenic 3d State by Electron Impact
... The triple differential cross sections estimation have been ascertained theo- retically for the ionization of metastable 3d-state hydrogen atoms by electron at 150 eV, 200 eV and 250 eV for assorted kinematic ...
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Pc5 geomagnetic fluctuations in response to solar wind excitation and their relationship with relativistic electron fluxes in the outer radiation belt
... Energetic electron flux driven by geomagnetic pulsations Finally, we compared the energetic electron flux at GOES 10 and 11 satellites and the geomagnetic pulsa- tion power through the ...keV ...
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Activation of Molecular Hydrogen by Electron Impact Velocity Distribution of Electrons Issuing from Small Holes Activation of Gases by Electron Impact
... Electrons of 11.4 volts' energy can activate hydrogen molecules, for we find that there is a definite pressure decrease when the accelerating.. voltage applied to our tube has this value[r] ...
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Fragmentation Pattern of Fluorine Atom by Electron Impact
... The determination of total cross section for electron scattering from atoms and molecules at electron energies 1100 eV. The cross-section measurements at these energies are required to develop theoretical ...
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