Product polarization distribution: Stereodynamics
of the reaction of atom H and radical NH

doi:10.1007/s11467-008-0021-3

Front. Phys.

2008, Vol. 3

Issue (2) : 153-158 https://doi.org/10.1007/s11467-008-0021-3

Product polarization distribution: Stereodynamics of the reaction of atom H and radical NH

LIU Yu-fang, ZHAI Hong-sheng, GAO Ya-li

Department of Physics, Henan Normal University;

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Abstract The product angular momentum polarization of the reaction of H+NH is calculated via the quasiclassical trajectory method (QCT) based on the extended London-Eyring-Polanyi-Sato (LEPS) potential energy surface (PES) at a collision energy of 5.1 kcal/mol. The calculated results of the vector correlations are denoted by using the angular distribution functions. The polarization-dependent differential cross sections (PDDCSs) demonstrate that the rotational angular momentum of the product H₂ is aligned and oriented along the direction perpendicular to the scattering plane. Vector correlation shows that the angular momentum of the product H₂ is aligned in the plane perpendicular to the velocity vector. It suggests that the reaction proceeds preferentially when the reactant velocity vector lies in a plane containing all three atoms. The orientation and alignment of the product angular momentum affects the scattering direction of the product molecules. The polarization-dependent differential cross sections (PDD-CSs) reveal that scattering is predominantly in the backward hemisphere.

Issue Date: 05 June 2008

Cite this article:

LIU Yu-fang,ZHAI Hong-sheng,GAO Ya-li. Product polarization distribution: Stereodynamics of the reaction of atom H and radical NH[J]. Front. Phys. , 2008, 3(2): 153-158.

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https://academic.hep.com.cn/fop/EN/10.1007/s11467-008-0021-3
https://academic.hep.com.cn/fop/EN/Y2008/V3/I2/153

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