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刘世莉  石英 《中国物理 B》2011,20(1):13404-013404
This paper employs the quasi-classical trajectory calculations to study the influence of collision energy on the title reaction on the potential energy surface of the ground 3A' triplet state developed by Rogers et al. (J. Phys. Chem. A 2000 104 2308). It calculates the product angular distribution of P(θr), P(φr) and P(θr, φr) which reflects vector correlation. The distribution P(θr) shows that product rotational angular momentum vectors j' of the products are strongly aligned along the relative velocity direction k. The distribution of P(φr) implies a preference for left-handed product rotation in planes parallel to the scattering plane. Four different polarisation-dependent cross-sections are also presented in the centre-of-mass frame. Results indicate that OH is sensitively affected by collision energies of H2.  相似文献   
2.
Quasi-classical trajectory theory is used to study the isotope effect of oxygen atoms on the vector correlations in the O(^3P) + D reaction at a collision energy of 25kcal/mol using accurate potential energy surface of the 3A' triplet state. The distributions of p(θr) and the distribution of dihedral angel p(φr) as well as p(θr,φr) are calculated. Moreover, four polarization-dependent generalized differential cross sections (PDDCSs) of product are presented in the center-of-mass frame. The results indicate that the polarization of the product presents different characters for the isotope effect of oxygen atoms. Isotopic substitute can cause obviously different effects on the four PDDCSs.  相似文献   
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