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Journal Articles Journal of Physics: Conference Series Year : 2020

Triple Differential Cross Sections for electron impact ionization of methane at intermediate energy

Abstract

Synopsis In a joint experimental and theoretical collaboration, triple differential cross sections are presented for electron-impact single ionization of the 1t 2 and 2a 1 states of CH 4 at an incident electron energy of 250 eV. Experimental data from two different laboratories are compared with molecular 3-body distorted wave (M3DW) and generalized Sturmian function (GSF) calculations. Overall, we find a good experiment-experiment, and also a relatively good experiment-theories, agreement. We observe that for the 1t 2 state, similarly to ionization of atomic p-states, the peak is sometimes doubled.

Dates and versions

hal-03603507 , version 1 (09-03-2022)

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C Granados, E Ali, A Sakaamini, M Harvey, L Ancarani, et al.. Triple Differential Cross Sections for electron impact ionization of methane at intermediate energy. Journal of Physics: Conference Series, 2020, 1412 (15), pp.152086. ⟨10.1088/1742-6596/1412/15/152086⟩. ⟨hal-03603507⟩
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