Electron-impact dissociative excitation cross sections for singlet states of molecular hydrogen
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Authors
Tapley, J.
Scarlett, Liam
Savage, J.
Fursa, Dmitry
Zammit, M.
Bray, Igor
Date
2018Type
Journal Article
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Tapley, J. and Scarlett, L. and Savage, J. and Fursa, D. and Zammit, M. and Bray, I. 2018. Electron-impact dissociative excitation cross sections for singlet states of molecular hydrogen. Physical Review A - Atomic, Molecular, and Optical Physics. 98 (3): Article ID 032701.
Source Title
Physical Review A - Atomic, Molecular, and Optical Physics
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School of Electrical Engineering, Computing and Mathematical Science (EECMS)
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Abstract
We report cross sections for electron-impact dissociative excitation of the B 1 Σ + u , C 1 Π u , D 1 Π u , B ′ 1 Σ + u , and E , F 1 Σ + g singlet states of molecular hydrogen from all v i = 0 – 14 vibrational levels of the ground X 1 Σ + g state. Calculations are performed using the adiabatic-nuclei convergent close-coupling method formulated in prolate spheroidal coordinates from threshold to 500 eV. Agreement with previous calculations varies with transition and impact energy, ranging from excellent to poor. Agreement with available experiment is generally good.