The rotating rod model: Opacity, excitation, deflection and angular distribution functions from collinear reaction probabilities

Noam Agmon

doi:10.1016/0301-0104(81)85060-4

The rotating rod model: Opacity, excitation, deflection and angular distribution functions from collinear reaction probabilities

Noam Agmon^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A "rotating rod" model for predominantly collinear atom-diatom collisions is presented. In this model it is assumed that the forces acting during the collision align the three atoms. The reaction probability at a given impact parameter is related to the ID reaction probability by subtracting the triatomic rotational and bending energies from the total energy. An additional "sudden" approximation is used to derive a relation of deflection angles to impact parameters, resulting in an expression for angular distributions. Comparison is made with quantal and classical.

Original language	English
Pages (from-to)	189-204
Number of pages	16
Journal	Chemical Physics
Volume	61
Issue number	1-2
DOIs	https://doi.org/10.1016/0301-0104(81)85060-4
State	Published - 1 Oct 1981
Externally published	Yes

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10.1016/0301-0104(81)85060-4

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N2 - A "rotating rod" model for predominantly collinear atom-diatom collisions is presented. In this model it is assumed that the forces acting during the collision align the three atoms. The reaction probability at a given impact parameter is related to the ID reaction probability by subtracting the triatomic rotational and bending energies from the total energy. An additional "sudden" approximation is used to derive a relation of deflection angles to impact parameters, resulting in an expression for angular distributions. Comparison is made with quantal and classical.

AB - A "rotating rod" model for predominantly collinear atom-diatom collisions is presented. In this model it is assumed that the forces acting during the collision align the three atoms. The reaction probability at a given impact parameter is related to the ID reaction probability by subtracting the triatomic rotational and bending energies from the total energy. An additional "sudden" approximation is used to derive a relation of deflection angles to impact parameters, resulting in an expression for angular distributions. Comparison is made with quantal and classical.

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The rotating rod model: Opacity, excitation, deflection and angular distribution functions from collinear reaction probabilities

Abstract

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