Electron Impact Inner-Shell Ionization of Atoms

Haque, A. K. F.; Uddin, M. Alfaz; Shahjahan, M.; Talukder, M. R.; Basak, A. K.; Saha, Bidhan C.

doi:10.1016/b978-0-12-386013-2.00006-1

Cited by 11 publications

(13 citation statements)

References 114 publications

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“…Figure 4 displays comparison of our XMCN results for the total L-shell ionization of (a) Sr, (b) Ag, (c) Sn, (d) Sm, (e) Ta, (f) Au, (g) Pb, (h) Bi and (i) U with the experimental data from [28][29][30][38][39][40]. The predicted results of cross sections from the quantum mechanical calculations of RPWBA [15] and PWBA [16]; the MRBEB [11]; the semi-empirical results of Deutsch et al [10]; and model findingss of MUIBED [4], GKLV [7], XCVTS [8] are also presented.…”

Section: Resultsmentioning

confidence: 77%

“…Literature is rife with various analytic, semi-analytic models [3][4][5][6][7][8][9][10][11][12] and quantum calculations [13,14], capable of generating L-and M-shell total ionization cross-sections with limitations as to the domains of incident energies and target species. However, among them only a few have reported the ionization from L-and M-subshell targets.…”

Section: Introductionmentioning

confidence: 99%

“…The sources of experimental data are from[28][29][30][38][39][40]. The calculations from the models like the present XMCN and MMCN (dash-olive lines), RPWBA[15] (dash-magenta lines), PWBA[16] (dash dot-orange lines), MUIBED[4] (thin solid-red lines), GKLV[7] (thin solidgreen lines), XCVTS[8] (thin solid-blue lines), semi-empirical[10](dash dot dot-black lines) and MRBEB[11] (dash dot dot-olive) are included.…”

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confidence: 99%

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Electron impact ionization of individual sub-shells and total of L and M shells of atomic targets with Z = 38–92

Haque

Maaza

Uddin

et al. 2017

J. Phys. B: At. Mol. Opt. Phys.

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We report an extension and modification of the MCN model of Haque et al (2013 Rad. Phys. Chem. 91 50-9) (XMCN) to study the electron impact ionization of inner L and M shells of neutral atoms by introducing new parameters of the MCN model. The extended XMCN model, including the relativistic effect, has been applied with success to evaluate ionization crosssections of various atomic targets with Z = 38-92 for both individual subshells and total L-shell and the corresponding cross-sections for the M shell for Z = 79-92 at incident energies E Threshold   T 1 GeV. A comparison with other available theoretical and experimental cross-sections reveals that our results reproduce the experimental measurements with a reasonable accuracy.

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Section: Resultsmentioning

confidence: 77%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Electron impact ionization of individual sub-shells and total of L and M shells of atomic targets with Z = 38–92

Haque

Maaza

Uddin

et al. 2017

J. Phys. B: At. Mol. Opt. Phys.

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“…The last few decades saw a huge amount of theoretical and experimental studies to evaluate the electron impact inner shell ionization cross-sections (EIISICS) of atoms and molecules [3,4]. Most of the theoretical and experimental EIISICS studies are carried out for K-shell ionization [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] but these are very scarce for L-shell [20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Electron impact L-subshell and total L-shell ionization cross-sections of atoms (Z = 18–92)

et al. 2018

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We propose an extension of the modified Vaisburd and Evdokimov model (MVE) (2003 Russ. Phys. J. 46 1160) incorporating the relativistic effects to investigate the L1-, L2-and L3subshells as well as total L-shell ionization cross-sections (LSICS) of atomic targets with atomic numbers 18Z 92 for incident energies upto 1 GeV. We also revisited our earlier XMUIBED and XMCN model for individual L-subshell ionization cross-sections and MUIBED, GKLV and XCVTS for total LSICS for 28 atomic targets. We compare our new results from the MVE model with the available experimental data and other calculations including our previously proposed models.

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“…The Vaisburd and Evdokimov [6], henceforth referred to as VE model, has the special feature in that it includes a special component describing the resonant ionization and joins elegantly with the Bethe formula valid at high-energy domain. The empirical formulae models proposed by Haque et al [7,8] provided successful description of cross-sections of electron impact inner-shell ionization of atoms for a wide range of atoms covering up to the energy of GeV order with inclusion of ionic and relativistic ingredients into the structures of the models .…”

Section: Introductionmentioning

confidence: 99%