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On the sudden Limit in the Capture of Particles for Long-Range Anisotropic Interactions

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Published/Copyright: September 25, 2009
Zeitschrift für Physikalische Chemie
From the journal Volume 216 Issue 5

The capture cross sections and rigidity factors for atom-linear rotor anisotropic interaction proportional to P1(cosγ) and P2(cosγ) and inverse powers of R are calculated in the sudden limit. Comparison with the infinite order sudden approximation (IOSA) shows that for large values of n the accuracy of IOSA yields the results which deviate from accurate sudden results within the expected limits. For smaller values of n, the IOSA performs better than anticipated; this is ascribed to the manifestation of the "remnant" integral of motion that exists for n=2.

Published Online: 2009-09-25
Published in Print: 2002-05
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