1959
DOI: 10.1007/978-3-642-45917-7_3
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The Collisions of Electrons with Molecules

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Cited by 16 publications
(6 citation statements)
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“…At lower energies the positronium channel becomes increasingly important and its cross section is larger than the cross section for direct ionization below 100 eV. According to Craggs and Massey (1959) the electron impact cross section reaches its threshold at 24.3 eV. This should also be the threshold for the positron impact direct ionization cross section.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…At lower energies the positronium channel becomes increasingly important and its cross section is larger than the cross section for direct ionization below 100 eV. According to Craggs and Massey (1959) the electron impact cross section reaches its threshold at 24.3 eV. This should also be the threshold for the positron impact direct ionization cross section.…”
Section: Resultsmentioning
confidence: 99%
“…It may therefore be assumed that these other channels for the creation of N + contribute less than 10%. It is well known that the channel N + + N − is not populated (Craggs and Massey 1959). In the following we shall call the cross section for the creation of N + ions not accompanied by positronium formation for σ (N + ) dir .…”
Section: Introductionmentioning
confidence: 99%
“…An indirect check of the accuracy of the calculations was made by comparing the calculated power lost by fast electrons in cold plasma (the key process in separating electron and heavy particle thermal conductivities) with the experimental data. The experimental data were taken from the review [18]. Q e→gas , the power that electrons lose in their collisions with heavy particles, can be expressed by a factor δ, which shows how much more intensive the energy exchange is compared with the energy exchange during elastic collisions:…”
Section: Kinetics Of Nitrogen Dissociation According To the [5 13 14]...mentioning
confidence: 99%
“…The form *(AT') = * ,(r,R)F/(R) (9) n co is assumed. If the final rotational-vibrational modes a;' are discrete, VK ) = VL' ( * )F L'M' (ie) (10) applies for the 2pv u state, and if co' represents a continuum state,…”
Section: Hn)^n{vk)x Vl {R)y Lm {R\mentioning
confidence: 99%
“…They have demonstrated beyond doubt that the proton production cross section depends strongly on the initial vibrationalstate population. 8 Since highly excited initial vibrational states are involved, assumptions similar to those leading to the Franck-Condon theory of optical transitions 9 will not be useful. We feel the present approach is especially suited for this situation and, by a careful documentation of this example, hope to stimulate interest in the effects of rotational-vibrational excitation on various other collisional phenomena.…”
Section: Introductionmentioning
confidence: 99%