1991
DOI: 10.1063/1.2809959
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Atomic Collisions: Electron and Photon Projectiles

Abstract: and Atomic Collisions: Electron and Photon Projectiles was published. This. Earl W. McDaniel-Wikipedia, the free encyclopedia Section of Atomic Collisions. Positron-atom collisions the energy and/or angular distribution of the ejected electron(s) and/or scattered projectile. technique (e.g., [A2]), which has been applied to electron, photon, proton, and ion impact. Recoil-ion momentum spectroscopy-atomic physics-Goethe. Publication » Atomic Collisions: Electron and Photon Projectiles. Standards/appXSAMSProc.rs… Show more

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Cited by 91 publications
(133 citation statements)
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“…Although the Langevin limit applies rigorously for real ion-neutral systems only in the double limit of low E/N and low temperature, it predicts the low-field mobility at room remperature with relatively good accuracy [24], which is the case in our experimental conditions. Although generally accepted, Langevin theory, has some known limitations in its application, namely with CO 2 , where it fails to provide correct values for the ion's mobility [11].…”
Section: Langevin's Theorymentioning
confidence: 74%
See 1 more Smart Citation
“…Although the Langevin limit applies rigorously for real ion-neutral systems only in the double limit of low E/N and low temperature, it predicts the low-field mobility at room remperature with relatively good accuracy [24], which is the case in our experimental conditions. Although generally accepted, Langevin theory, has some known limitations in its application, namely with CO 2 , where it fails to provide correct values for the ion's mobility [11].…”
Section: Langevin's Theorymentioning
confidence: 74%
“…According to Langevin's theory [22], one limiting value of the mobility is reached when the electrostatic hard-core repulsion becomes negligible compared to the neutral polarization effect [24]. This limit is given by the following equation,…”
Section: Langevin's Theorymentioning
confidence: 99%
“…A related issue is the possibility of quenching the vacancy states due to collisions with other sample gas molecules. However, the mean time between collisions for a sample gas at 760 torr and 15°C is ª10 -10 s, 46 much longer than the ª10 -15 s of an x-ray fluorescence process, so collisional effects are negligible.…”
Section: Experimental Methods For X-ray Fluorescence Spectroscopymentioning
confidence: 99%
“…Since accuracy of the ion implantation model is based on the precise determination of the ux and ion velocities at the surface of the electrode, then the dierence between bulk and ux drift velocity represents the error in ux calculations. The rst mention of non-conservative eects in ion transport was given in [12].…”
Section: Monte Carlo Techniquementioning
confidence: 99%
“…We have used value 1.2611 × 10 −30 m 3 , for polarizability of F 2 recommended by Spelsberg and Meyer [11], ionization potentials for F 2 and F − from [12] and the bond values between atoms in Ref. [13].…”
Section: Monte Carlo Techniquementioning
confidence: 99%