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Chin. Phys. B, 2010, Vol. 19(4): 043401    DOI: 10.1088/1674-1056/19/4/043401
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Stereodynamics study of reactions N(2D)+HD→NH+D and ND+H

Yue Xian-Fang(岳现房)a)†, Cheng Jie(程杰)a), Li Hong(李宏)a), Zhang Yong-Qiang(张永强)a), and Emilia L. Wub)
a Department of Physics and Information Engineering, Jining University, Qufu 273155, China; Department of Chemical Engineering and Materials Science, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA
Abstract  The product polarizations of the title reactions are investigated by employing the quasi-classical trajectory (QCT) method. The four generalized polarization-dependent differential cross-sections (PDDCSs) $(2\pi/\sigma)({\rm d}\sigma_{00}/{\rm d}\omega_t)$, $(2\pi/\sigma)({\rm d}\sigma_{20}/{\rm d}\omega_t)$, $(2\pi/\sigma)({\rm d}\sigma_{22+}/{\rm d}\omega_t)$, and $(2\pi/\sigma)({\rm d}\sigma_{21-}/{\rm d}\omega_t)$ are calculated in the centre-of-mass frame. The distribution of the angle between $k$ and $j^\prime$, $P(\theta _r)$, the distribution of the dihedral angle denoting $k-k^\prime-j^\prime $ correlation, $P(\phi _r)$, as well as the angular distribution of product rotational vectors in the form of polar plots $P(\theta _r ,\phi _r )$ are calculated. The isotope effect is also revealed and primarily attributed to the difference in mass factor between the two title reactions.
Keywords:  stereodynamics      quasi-classical trajectory method      vector correlation      polarization-dependent differential cross-section      isotope effect  
Received:  11 August 2009      Revised:  28 September 2009      Accepted manuscript online: 
PACS:  82.30.Cf (Atom and radical reactions; chain reactions; molecule-molecule reactions)  
  82.20.Tr (Kinetic isotope effects including muonium)  
  82.20.Fd (Collision theories; trajectory models)  
  82.20.Hf (Product distribution)  
Fund: Project supported by Young Funding of Jining University, China (Grant No.~2009QNKJ02).

Cite this article: 

Yue Xian-Fang(岳现房), Cheng Jie(程杰), Li Hong(李宏), Zhang Yong-Qiang(张永强), and Emilia L. Wu Stereodynamics study of reactions N(2D)+HD→NH+D and ND+H 2010 Chin. Phys. B 19 043401

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