Rotational excitation in (H, H2) collisions: a quantum mechanical study

Giri, Kousik ; Sathyamurthy, N. (2006) Rotational excitation in (H, H2) collisions: a quantum mechanical study Journal of Physics B: Atomic, Molecular and Optical Physics, 39 (20). pp. 4123-4130. ISSN 0953-4075

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Official URL: http://iopscience.iop.org/0953-4075/39/20/010

Related URL: http://dx.doi.org/10.1088/0953-4075/39/20/010

Abstract

Differential and integral cross sections have been computed for elastic and rotationally inelastic collisions in (H, H2 (v=0, j=0, 1)) at four different relative translational energies (Etrans=1.66, 2.03, 2.40 and 2.79 eV) on an accurate ab initio potential energy surface by a time-independent quantum mechanical approach (helicity basis truncated at k=2). It is shown that the exchange reaction plays only a minor role when compared to the rotational inelastic process. The computed differential inelastic cross sections are in good agreement with the experimental results at Etrans=1.66, 2.03 and 2.79 eV for j=1. Although the elastic process plays only a minor role for j=0, it is not negligible for j=1.

Item Type:Article
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ID Code:43947
Deposited On:17 Jun 2011 14:06
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