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Multichannel excitation cross sections of sodium atoms at slow collisions with hydrogen atoms
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Fysiska sektionen, Institutionen för fysik och astronomi, Teoretisk astrofysik.
2011 (engelsk)Inngår i: Optics and Spectroscopy, ISSN 0030-400X, E-ISSN 1562-6911, Vol. 110, nr 3, s. 321-327Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Excitation cross sections at slow collisions of hydrogen and sodium atoms are calculated based on two sets of quantum-chemical data. The results of calculations permit one to conclude that, upon the excitation of the sodium atom from the ground state in the region of near-threshold energies, the cross sections are highly sensitive to matrix nonadiabaticity elements. In addition, the matrix nonadiabaticity element was varied for the transition 3s -> 3p of the sodium atom at fixed collision energy near the reaction threshold. It was found that the variation leads to a significant change in the excitation cross section 3s -> 3p, and the range of the energetic dependence of this cross section was determined.

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2011. Vol. 110, nr 3, s. 321-327
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URN: urn:nbn:se:uu:diva-151962DOI: 10.1134/S0030400X1103026XISI: 000289001700001OAI: oai:DiVA.org:uu-151962DiVA, id: diva2:413661
Tilgjengelig fra: 2011-04-29 Laget: 2011-04-20 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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