Classical trajectory calculations for the rotational excitation'of CO and Hz by collision &ith He have been carried out and compared to the accurate qu&~m mechanics1 cfculations of other workers The grecment is rasonably encourngig, although some irther&t limitations of this strictly classical appro
Accuracy of decoupling approximations for rotational excitation: low-energy COHe collisions
✍ Scribed by Sheldon Green
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 431 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Scattering calculations have been pcrformcd for low-cncrgy collisions of CO with He using the "effective potentid" approximation of Rabitz and the "coupled stat& approximation of hlcGuire and Kouri. These are compl*rcc! with the X~UriltC quanrum close-uooplin~ scrtttcrbg results of Green and Tbaddeus. Ai1 calculations employed n thccrrctical potential bdieY&!d 10 %3DJri%tC& Ieprescnt the trUt? ixteiaftion. The effective powntial rnctlrud is found to be in quslitstivc n~ee mcnt and the Coupled States metl!od is found to be in semiquantitative agrocmcnt with closecoupling results for rota-1 hkch 1976
📜 SIMILAR VOLUMES
Rate corMants for rotational cscitation of CO by coUisions with Ar atoms have been computed within the infmite order sudden (LOS) approximation and compared with values from csact cirtssical trajectories. For CO-Ar, as for CO-He, nccurale values for X(0-i) -at least for small and intcrmcdiatcj -may