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Electron impact excitation of methane: determination of appearance energies for dissociation products

Danko, M. ; Orszagh, J. ; Ďurian, M. ; Kočišek, J. ; Daxner, M. ; Zöttl, S. ; Maljković, J. B. ; Fedor, Juraj ; Scheier, P. ; Denifl, S. ; Matejčík, Š.

In: Journal of Physics B: Atomic, Molecular and Optical Physics, 2013, vol. 46, no. 4, p. 045203

In this work, we present an experimental study of dissociative excitation of CH₄ utilizing a crossed electron molecular beam experiment. Methane was excited by nearly monochromatic electrons generated by a trochoidal electron monochromator. The dissociative products were identified on the basis of the emission spectra in the ultraviolet–visible (UV/VIS) spectral range. The excitation...