Complex-angular-momentum analysis of atom-diatom angular scattering:: Zeros and poles of the S matrix -: art. no. 024702

被引：28
|
作者：
Sokolovski, D [1 ]
机构：
[1] Queens Univ Belfast, Dept Appl Math & Theoret Phys, Theoret & Computat Phys Res Div, Belfast BT7 1NN, Antrim, North Ireland
来源：
PHYSICAL REVIEW A | 2000年 / 62卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.62.024702
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It is shown that in the complex plane of the total angular momentum, an atom-diatom S-matrix element may have complex zeros as well as resonance poles. The zeros close to the real axis correlate with interference minima of the partial reaction probability. With the help of the Pade approximation we estimate positions of both poles and zeros, and construct a uniform semiclassical model for the angular distributions. Examples include Cl+HCl --> ClH+Cl and F+HD --> FH+D reactive scattering.
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页数：4
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