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|Type:||Artigo de periódico|
|Title:||Spin Exchange In Elastic E-o2 Collisions|
|Author:||Da Paixao F.J.|
|Abstract:||Recent experiments using polarized electron beams have shown that spin-exchange effects for elastic collisions with O2 and NO are much smaller than for Na atoms. We report calculated spin-flip differential cross sections for elastic collisions of polarized electrons with O2 in agreement with experiment. In general, we can attribute large variations of the spin-flip differential cross sections to resonances and interference effects. Such features arising from interference, however, may be washed out in the molecular case due to the average over orientations. Calculations with oriented O2 show strong exchange effects as for Na.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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