Artículos de revistas sobre el tema "Electron impact"

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1

Sharma, Kamlesh Kumar y Sanjeev Saxena. "Electron (Positron) Impact Ionization of Xenon". Indian Journal of Applied Research 3, n.º 11 (1 de octubre de 2011): 454–55. http://dx.doi.org/10.15373/2249555x/nov2013/145.

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2

McDowell, M. R. C. "Electron Impact lonization". Physics Bulletin 37, n.º 2 (febrero de 1986): 79. http://dx.doi.org/10.1088/0031-9112/37/2/036.

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3

Maier, J. P. "Electron impact ionisation". Journal of Electron Spectroscopy and Related Phenomena 36, n.º 3 (enero de 1985): 305. http://dx.doi.org/10.1016/0368-2048(85)80027-x.

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4

Nefiodov, A. V. y G. Plunien. "Excitation of K-shell electrons by electron impact". Physics Letters A 371, n.º 5-6 (noviembre de 2007): 432–37. http://dx.doi.org/10.1016/j.physleta.2007.06.053.

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5

Mikhailov, A. I., A. V. Nefiodov y G. Plunien. "Ionization of K-shell electrons by electron impact". Physics Letters A 372, n.º 24 (junio de 2008): 4451–61. http://dx.doi.org/10.1016/j.physleta.2008.03.062.

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6

Lebedev, Yurii y Vyasheslav Shakhatov. "Electron impact dissociation of CO2 (a review)". ADVANCES IN APPLIED PHYSICS 9, n.º 5 (20 de noviembre de 2021): 365–92. http://dx.doi.org/10.51368/2307-4469-2021-9-5-365-392.

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Based on a detailed analysis and generalization of the results of calculations of the energy spectrum of electrons using different models in gas discharges in pure carbon dioxide CO2 and in mixtures containing CO2 , the rate constant of CO2 dissociation by electron impact in a gas discharge of direct current at atmospheric pressure is found. It is shown that, at values of the reduced electric field from 55 Td to 100 Td, the predominant mechanism of decomposition of the CO2 molecule is the collision of CO2 molecules with electrons. An expression is obtained for calculating the rate constant of CO2 dissociation by electron impact as a function of the reduced electric field.
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7

Robicheaux, F. "Electron impact ionization of". Journal of Physics B: Atomic, Molecular and Optical Physics 29, n.º 4 (28 de febrero de 1996): 779–90. http://dx.doi.org/10.1088/0953-4075/29/4/019.

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8

Tayal, S. S. "Electron-impact ionization ofAr7+". Physical Review A 49, n.º 4 (1 de abril de 1994): 2561–66. http://dx.doi.org/10.1103/physreva.49.2561.

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9

Andersen, L. H., M. J. Jensen, H. B. Pedersen, L. Vejby-Christensen y N. Djurić. "Electron-impact detachment fromB−". Physical Review A 58, n.º 4 (1 de octubre de 1998): 2819–23. http://dx.doi.org/10.1103/physreva.58.2819.

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10

Shaw, J. A., M. S. Pindzola, N. R. Badnell y D. C. Griffin. "Electron-impact excitation ofCo2+". Physical Review A 58, n.º 4 (1 de octubre de 1998): 2920–25. http://dx.doi.org/10.1103/physreva.58.2920.

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11

Moores, D. L. y K. J. Reed. "Electron-impact ionization ofSe24+". Physical Review A 39, n.º 4 (1 de febrero de 1989): 1747–55. http://dx.doi.org/10.1103/physreva.39.1747.

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12

Mitroy, J. y D. W. Norcross. "Electron-impact excitation ofAl2+". Physical Review A 39, n.º 2 (1 de enero de 1989): 537–44. http://dx.doi.org/10.1103/physreva.39.537.

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13

Laghdas, K., R. H. G. Reid, C. J. Joachain y P. G. Burke. "Electron-impact ionization of". Journal of Physics B: Atomic, Molecular and Optical Physics 32, n.º 6 (1 de enero de 1999): 1439–50. http://dx.doi.org/10.1088/0953-4075/32/6/008.

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14

Khare, S. P., Surekha Tomar y M. K. Sharma. "Electron impact molecular ionization". Journal of Physics B: Atomic, Molecular and Optical Physics 33, n.º 2 (5 de enero de 2000): L59—L61. http://dx.doi.org/10.1088/0953-4075/33/2/101.

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15

Montanari, C. C. y J. E. Miraglia. "Electron impact multiple ionization". Journal of Physics: Conference Series 488, n.º 4 (10 de abril de 2014): 042013. http://dx.doi.org/10.1088/1742-6596/488/4/042013.

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16

Mark, T. D. "Ionization by electron impact". Plasma Physics and Controlled Fusion 34, n.º 13 (1 de diciembre de 1992): 2083–90. http://dx.doi.org/10.1088/0741-3335/34/13/044.

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17

Hildenbrand, D. L. "Electron impact ionization energies". International Journal of Mass Spectrometry 197, n.º 1-3 (febrero de 2000): 237–42. http://dx.doi.org/10.1016/s1387-3806(99)00259-6.

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18

Dünser, B., M. Lezius, P. Scheier, H. Deutsch y T. D. Märk. "Electron Impact Ionization ofC60". Physical Review Letters 74, n.º 17 (24 de abril de 1995): 3364–67. http://dx.doi.org/10.1103/physrevlett.74.3364.

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19

Bachi, Nicolás, Sebastian Otranto y Karoly Tőkési. "Electron-Impact Ionization of Carbon". Atoms 11, n.º 2 (20 de enero de 2023): 16. http://dx.doi.org/10.3390/atoms11020016.

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We present ionization cross-sections of collisions between electrons and carbon atoms using the classical trajectory Monte Carlo method. Total cross-sections are benchmarked against the reported experimental data and the predictions of numerically intensive theoretical methods as well as pioneering calculations for this collision system. At impact energies greater than about 100 eV, the present results are in very good agreement with the generalized oscillator strength formulation of the Born approximation as well as with the experimental data. Limitations inherent to a purely classical description of the electron impact ionization process at low impact energies are detected and analyzed, suggesting a clear route for future studies.
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20

Dogan, Mevlut, Melike Ulu, Zehra Nur Ozer, Murat Yavuz y Gulin Bozkurt. "Double Differential Cross-Sections for Electron Impact Ionization of Atoms and Molecules". Journal of Spectroscopy 2013 (2013): 1–16. http://dx.doi.org/10.1155/2013/192917.

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The single ionizing collision between an incident electron and an atom/molecule ends up two kinds of outgoing electrons called scattered and ejected electrons. As features of electron impact ionization, these two types of electrons are indistinguishable. Double differential cross-sections (DDCS) can be obtained by measuring the energy and angular distributions of one of the two outgoing electrons with an electron analyzer. We used He, Ar, H2, and CH4targets in order to understand the ionization mechanisms of atomic and molecular systems. We measured differential cross-sections (DCS) and double differential cross-sections at 250 eV electron impact energy. The elastic DCSs were measured for He, Ar, H2, and CH4, whereas the inelastic DCSs of He were obtained for 21P excitation level for 200 eV impact electron energy.
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21

Rymzhanov, R. A. "ELECTRON KINETICS OF YTTRIUM IRON GARNET AFTER SWIFT HEAVY ION IMPACT". Eurasian Physical Technical Journal 19, n.º 3 (41) (22 de septiembre de 2022): 23–28. http://dx.doi.org/10.31489/2022no3/23-28.

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The TREKIS Monte-Carlo model was applied to study the temporal electronic kinetics of yttrium iron garnet after a swift heavy ion impact. Cross sections of incident particles interaction with the target were determined within complex dielectric function-dynamic structure factor formalism. We found two modes of the spatial propagation of electronic excitation: fast delta-electrons form a front of the excitation while electrons produced due to decay of plasmons generated in a track form the second front slowly following behind the first one.Analysis of mechanisms of target lattice heating pointed to an important contribution of the potential energy released due to recombination of valence holes generated in an ion track. An increase of the excess lattice energy due to elastic scatterings of electrons and holes described with Mott cross-sections is minor. In contrast, complex dielectric function formalism demonstrates the significant contribution of these processes to the heating of the lattice.
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22

Shpenik, O. B., M. M. Erdevdy, P. P. Markush, J. E. Kontros y I. V. Chernyshova. "Electron Impact Excitation and Ionization of Sulfur, Selenium, and Tellurium Vapors". Ukrainian Journal of Physics 60, n.º 3 (marzo de 2015): 217–24. http://dx.doi.org/10.15407/ujpe60.03.0217.

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23

Schwienhorst, R., A. Raeker, K. Bartschat y K. Blum. "Electron - photon coincidences in electron impact ionization - excitation". Journal of Physics B: Atomic, Molecular and Optical Physics 29, n.º 11 (14 de junio de 1996): 2305–14. http://dx.doi.org/10.1088/0953-4075/29/11/018.

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24

Paripás, Béla. "Auger electron peak shapes in electron impact experiments". Radiation Physics and Chemistry 68, n.º 1-2 (septiembre de 2003): 33–40. http://dx.doi.org/10.1016/s0969-806x(03)00251-2.

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25

Park, J. B., T. Niermann, D. Berger, A. Knauer, I. Koslow, M. Weyers, M. Kneissl y M. Lehmann. "Impact of electron irradiation on electron holographic potentiometry". Applied Physics Letters 105, n.º 9 (septiembre de 2014): 094102. http://dx.doi.org/10.1063/1.4894718.

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26

Hein, J. D., S. Kidwai, P. W. Zetner, C. Bostock, D. V. Fursa, I. Bray, L. Sharma, R. Srivastava y A. Stauffer. "Electron-impact coherence parameters for electron-impact excitation of laser-excited174Yb (…6s6p 3P1)". Journal of Physics B: Atomic, Molecular and Optical Physics 44, n.º 7 (16 de marzo de 2011): 075201. http://dx.doi.org/10.1088/0953-4075/44/7/075201.

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27

Coplan, MA, JP Doering, DH Madison, JH Moore y AA Pinkás. "Electronic Structure Information from Electron Impact Ionisation Experiments". Australian Journal of Physics 49, n.º 2 (1996): 321. http://dx.doi.org/10.1071/ph960321.

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Electron impact ionisation with full determination of the kinematics (measurement of energies and momenta of the incident, scattered and ejected electrons) has proven to be useful for investigating both the electronic structure of atoms and molecules and the mechanism of ionisation. These experiments are, by definition, coincidence experiments since it is necessary to be sure that all the detected electrons originate from the same collision. For single-electron ionisation, (e, 2e), the emphasis has been on momentum densities and spectroscopic factors–see for example Coplan et al. (1994), McCarthy and Weigold (1976, 1988, 1991) and Leung (1991). For double ionisation, (e,3e), data are just beginning to emerge, with early results on the Auger process and direct double ionisation (Duguet and Lahmam-Bennani 1992). Both (e, 2e) and (e, 3e) experiments are technically challenging because the signals are small and there is usually a large background. In the last few years, electrostatic spectrographs and position sensitive detectors have improved the resolution and precision of (e, 2e) measurements and have made (e,3e) measurements a practical reality.
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28

Dilmi, S. y A. Boumali. "Estimation of Electron Impact Ionization Rates of Li Using a Non-Maxwellian Distribution Function". Ukrainian Journal of Physics 66, n.º 8 (8 de septiembre de 2021): 691. http://dx.doi.org/10.15407/ujpe66.8.691.

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We report an estimate of the cross-section and rate of electron-impact ionization of Li. The FAC code (Flexible Atomic Code) is used in order to determine the cross-section and to calculate the level of energy. We evaluate the effect of electron energy distribution functions on the measurement of the ionization rate for a non-Maxwellian energy distribution, if the fraction of hot electrons is small. In several types of plasma, it has been observed that certain (hot) electrons are governed by a non-Maxwellian energy distribution. These electrons affect the line spectra and other characteristics of plasma. By using a non-Maxwellian distribution of energies, we revealed the sensitivity of the electron-impact ionization rate of Li to types of the electron energy distribution and to the fraction of hot electrons.
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29

Зацарінний, О., К. Бартшат, Л. Бандуріна, С. Гедеон y В. Лазур. "ELECTRON-IMPACT SCATTERING ON CALCIUM". Scientific Herald of Uzhhorod University.Series Physics 21 (5 de agosto de 2007): 205–14. http://dx.doi.org/10.24144/2415-8038.2007.21.205-214.

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30

Laghdas, K., R. H. G. Reid, C. J. Joachain y P. G. Burke. "Electron-impact ionization of Ar9+". Journal of Physics B: Atomic, Molecular and Optical Physics 28, n.º 22 (28 de noviembre de 1995): 4811–22. http://dx.doi.org/10.1088/0953-4075/28/22/012.

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31

Bartschat, K., P. G. Burke y M. P. Scott. "Electron impact excitation of beryllium". Journal of Physics B: Atomic, Molecular and Optical Physics 29, n.º 20 (28 de octubre de 1996): L769—L772. http://dx.doi.org/10.1088/0953-4075/29/20/008.

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32

Marchalant, Pascale J., Klaus Bartschat, Keith A. Berrington y Shinobu Nakazaki. "Electron-impact excitation of boron". Journal of Physics B: Atomic, Molecular and Optical Physics 30, n.º 8 (28 de abril de 1997): L279—L283. http://dx.doi.org/10.1088/0953-4075/30/8/004.

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33

Pindzola, M. S., C. P. Ballance, J. A. Ludlow, S. D. Loch y D. C. Griffin. "Electron-impact ionization of Xe24 +". Journal of Physics B: Atomic, Molecular and Optical Physics 43, n.º 2 (21 de diciembre de 2009): 025201. http://dx.doi.org/10.1088/0953-4075/43/2/025201.

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34

Pindzola, M. S., C. P. Ballance, J. A. Ludlow, S. D. Loch y J. Colgan. "Electron-impact ionization of C2". Journal of Physics B: Atomic, Molecular and Optical Physics 43, n.º 6 (2 de marzo de 2010): 065201. http://dx.doi.org/10.1088/0953-4075/43/6/065201.

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35

Loch, S. D., C. P. Ballance, D. Wu, Sh A. Abdel-Naby y M. S. Pindzola. "Electron-impact ionization of Al". Journal of Physics B: Atomic, Molecular and Optical Physics 45, n.º 6 (29 de febrero de 2012): 065201. http://dx.doi.org/10.1088/0953-4075/45/6/065201.

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36

Alna'washi, G. A., K. K. Baral, N. B. Aryal, C. M. Thomas y R. A. Phaneuf. "Electron-impact ionization of Se3+". Journal of Physics B: Atomic, Molecular and Optical Physics 47, n.º 10 (29 de abril de 2014): 105201. http://dx.doi.org/10.1088/0953-4075/47/10/105201.

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37

Alna'washi, G. A., N. B. Aryal, K. K. Baral, C. M. Thomas y R. A. Phaneuf. "Electron-impact ionization of Se2+". Journal of Physics B: Atomic, Molecular and Optical Physics 47, n.º 13 (25 de junio de 2014): 135203. http://dx.doi.org/10.1088/0953-4075/47/13/135203.

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38

Schulz, P. A., D. C. Gregory, F. W. Meyer y R. A. Phaneuf. "Electron‐impact dissociation of H3O+". Journal of Chemical Physics 85, n.º 6 (15 de septiembre de 1986): 3386–94. http://dx.doi.org/10.1063/1.450960.

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39

Eliasson, B. y U. Kogelschatz. "Electron impact dissociation in oxygen". Journal of Physics B: Atomic and Molecular Physics 19, n.º 8 (28 de abril de 1986): 1241–47. http://dx.doi.org/10.1088/0022-3700/19/8/018.

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40

Cho, H. y S. H. Lee. "Double ionization ofO2by electron impact". Physical Review A 48, n.º 3 (1 de septiembre de 1993): 2468–70. http://dx.doi.org/10.1103/physreva.48.2468.

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41

Bell, E. W., N. Djurić y G. H. Dunn. "Electron-impact ionization ofIn+andXe+". Physical Review A 48, n.º 6 (1 de diciembre de 1993): 4286–91. http://dx.doi.org/10.1103/physreva.48.4286.

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42

Meneses, G. D., F. J. da Paixo y N. T. Padial. "Electron-impact excitation of krypton". Physical Review A 32, n.º 1 (1 de julio de 1985): 156–65. http://dx.doi.org/10.1103/physreva.32.156.

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43

Garrett, Bruce C., Lynn T. Redmon y Michael J. Redmon. "Electron-impact dissociation of HCl". Physical Review A 33, n.º 3 (1 de marzo de 1986): 2091–92. http://dx.doi.org/10.1103/physreva.33.2091.

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44

Bartschat, K. y P. G. Burke. "Electron impact ionisation of argon". Journal of Physics B: Atomic, Molecular and Optical Physics 21, n.º 17 (14 de septiembre de 1988): 2969–75. http://dx.doi.org/10.1088/0953-4075/21/17/010.

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45

Mason, N. J. y W. R. Newell. "Electron impact dissociation of N2O". Journal of Physics B: Atomic, Molecular and Optical Physics 22, n.º 14 (28 de julio de 1989): 2297–309. http://dx.doi.org/10.1088/0953-4075/22/14/012.

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46

Mason, N. J. y W. R. Newell. "Electron impact dissociation of O2". Journal of Physics B: Atomic, Molecular and Optical Physics 23, n.º 24 (28 de diciembre de 1990): 4641–53. http://dx.doi.org/10.1088/0953-4075/23/24/018.

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47

Badnell, N. R., D. C. Griffin y M. S. Pindzola. "Electron impact ionization of Ca+". Journal of Physics B: Atomic, Molecular and Optical Physics 24, n.º 11 (14 de junio de 1991): L275—L279. http://dx.doi.org/10.1088/0953-4075/24/11/003.

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48

Kynienė, Aušra, Sigitas Kučas, Šarūnas Masys y Valdas Jonauskas. "Electron-impact ionization of Fe8+". Astronomy & Astrophysics 624 (abril de 2019): A14. http://dx.doi.org/10.1051/0004-6361/201833762.

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Electron-impact ionization cross sections and Maxwellian rate coefficients are presented for the Fe8+ion by considering processes from the ground and metastable levels. The lifetimes of the levels for the 3s23p53d configuration were analysed using the extended basis of interacting configurations. Convergence of the cross sections for the indirect process due to excitations to the high-nlsubshells was investigated. We demonstrate that excitations to the subshells with orbital quantum numberl = 3 with subsequent autoionization dominate up to electron energies of ∼700 eV for the ground and metastable levels. Modelling of theoretical cross sections obtained for the ground and metastable levels to produce the best fit to the measurements shows that 15% of ions reach the reaction zone in the metastable state. The obtained results contradict the previous work that showed ∼30% for the metastable fraction.
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49

Morillo-Candas, A. S., T. Silva, B. L. M. Klarenaar, M. Grofulović, V. Guerra y O. Guaitella. "Electron impact dissociation of CO2". Plasma Sources Science and Technology 29, n.º 1 (31 de enero de 2020): 01LT01. http://dx.doi.org/10.1088/1361-6595/ab6075.

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50

Boivin, R. F. y S. K. Srivastava. "Electron-impact ionization of Mg". Journal of Physics B: Atomic, Molecular and Optical Physics 31, n.º 10 (28 de mayo de 1998): 2381–94. http://dx.doi.org/10.1088/0953-4075/31/10/024.

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