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Journal of Physical Chemistry
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Impulsive model for angular momentum polarization in chemical reactions

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Abstract

Illustrative theoretical calculations are presented for the spatial distribution of the product rotational angular momentum vector j′ for an atom + diatom transfer reaction, A + BC → AB + C. Two versions of a strongly impulsive model are shown to predict j′ to be preferentially aligned perpendicular to the plane containing the initial and final relative velocity vectors, k and k′. One version is the DIPR-DIP model previously applied to other reaction properties. The other model is derived from a simple geometrical construction which is shown to give a quantitatively accurate approximation to most features of the full DIPR-DIP model calculation. The construction demonstrates the utility of a coordinate system transformation that identifies a particular system in which the angular momentum alignment is maximized. © 1987 American Chemical Society.

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Journal of Physical Chemistry

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