Conditions for Appearance of Rotational Rainbow Structure in Atom-Molecule Collisions
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概要
- 論文の詳細を見る
A new criterion for the appearance of the rotational rainbow effect in atom-molecule collisions is presented in terms of a dimensionless pararneter Q. whichrepresents the suddenness of rotational transitions. This parameter, introduced froma simple classical model, is determined mainly by the constants inherent to the collision system and is insensitive to the collision energy. The classical trajectory calcula-Lions performed in this study as well as some recent experimental data indicate thatthe rotational rainbow structure appears when 0.<0.5, regardless of the collisionenergy. When Q- is larger, the rotational state distribution l'tas peaks in a low-./ (rota-tional state) region. The criterion given here is contradictctry to the common beliefthat the rotational rainbow effect should appear at high collision energies irrespectiveof the system.
- 社団法人日本物理学会の論文
- 1987-09-15
著者
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Nakamura Motoyuki
Plasma Research Center University Of Tsukuba
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Nakamura Masato
Insuitute Of Space And Astronautical Science:institute For Molecular Science
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