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Calculated electron impact spin-coupled rotational cross-sections for 2S + 1Σ+ linear molecules: CN as an example

Abstract : Here we present the development and adaptation of existing atom-molecule collision theory in order to calculate spin-coupled rotationally resolved cross-sections for electron-molecule collisions. A full theory is developed from the existing work for this new process and then implemented using the infinite order sudden approximation to simplify the method; this approximation is shown to hold for the results of a simple test. The formalism is used to compute spin-rotation cross-sections for electron collisions with the CN radical in its 2Σ+ ground electronic state. Results for transitions out of the ground spin rotational state are presented. A general fortran program, ROTLIN_S, is developed for this task.
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Submitted on : Thursday, March 17, 2022 - 5:19:03 PM
Last modification on : Friday, March 18, 2022 - 3:41:01 AM

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Stephen Harrison, Jonathan Tennyson, Alexandre Faure. Calculated electron impact spin-coupled rotational cross-sections for 2S + 1Σ+ linear molecules: CN as an example. Journal of Physics B: Atomic, Molecular, and Optical Physics, 2012, 45, ⟨10.1088/0953-4075/45/17/175202⟩. ⟨insu-03612408⟩

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