Collision-induced molecular excitation: Comparison of the collinear model with three-dimensional calculations

✍ Scribed by H.J. Korsch; V. Philipp

• Book ID: 103014252
• Publisher: Elsevier Science
• Year: 1975
• Tongue: English
• Weight: 521 KB
• Volume: 31
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(75)85024-x

✦ Synopsis

Energy loss spectn for threedimensional backward scattering in.a hard-sphere collidon model are compared with cob linear YZbrational extitation probabilities The collision +&km is treated h-, the qu-hm mechulicd hp~ls nppro~~a_ tie= The COG-~dl&n model turned out to be u~3ble to describe the threedimensional bachlard scattering, Disagreement was found in the structure of the energy loss spectra and even in the average enern transfer. Cqllinear models have been widely used in study $8 inelastic atom-diatom collisions [ l]. On one hand they serve as test models for the development of numerical methods'and approximations, and or? the other tie restiIts of one-dimensional calculations 2re used in discussions of the mechanism of energy transfer or to interprete experimental results, which are -of course -three-dimensional [I].

The collinear model is ma@ly used to explain three-dimensional backward,scattering [2-71, mostly to get information about the vibrational excitation of the tiolecule. Because. of the wide spreading of coIlinear models it is of great interest to compare onedimensional descriptions of inelastic scattering pro-CeLseS with three-dimensional ones.