On a jz‐preserving propensity in molecular collisions. II. Close‐coupling study of state‐to‐state differential cross sections

1982 ◽  
Vol 76 (9) ◽  
pp. 4493-4501 ◽  
Author(s):  
V. Khare ◽  
D. J. Kouri ◽  
D. K. Hoffman
Keyword(s):  
Cross Sections ◽  
Differential Cross ◽  
Differential Cross Sections ◽  
Molecular Collisions ◽  
Close Coupling

scholarly journals Electron Scattering from the Ground and Excited States of Barium

1999 ◽  
Vol 52 (3) ◽  
pp. 603
Author(s):  
Dmitry V. Fursa
Keyword(s):  
Excited States ◽  
Electron Scattering ◽  
Cross Sections ◽  
Differential Cross ◽  
Ground State ◽  
Differential Cross Sections ◽  
Close Coupling ◽  
Angular Correlations ◽  
Electron Photon ◽  
Good Agreement

We have used the nonrelativistic convergent close-coupling (CCC) method to investigate electron scattering from the ground (6s2)1S state and excited (6s6p)1 Po1 and (6s5d)1,3De2 states of barium. For the scattering from the barium ground state, we have found very good agreement with measurements of (6s6p)1 Po1 apparent cross sections at all energies. Similarly, good agreement is found for differential cross sections for elastic scattering and (6s6p)1 Po and (6s5d)1 De2 excitations and with the (6s6p)1 Po1 state electron{photon angular correlations. For the scattering from excited states of barium we have found good agreement with elastic (6s6p)1 Po1 scattering and the (6s5d)1De2 → (6s6p)1 Po1 transition for both differential cross sections and electron–photon angular correlations.

Assessment of the Accuracy of the Quasiclassical Trajectories Approximation at a Low Collision Energy for the He — N2 System

1987 ◽  
Vol 42 (7) ◽  
pp. 731-734 ◽  
Author(s):  
Aristophanes Metropoulos
Keyword(s):  
Energy Transfer ◽  
Cross Sections ◽  
Differential Cross ◽  
Collision Energy ◽  
Rotational Energy ◽  
Quasiclassical Approximation ◽  
Differential Cross Sections ◽  
Close Coupling ◽  
Rotational Energy Transfer ◽  
Quasiclassical Trajectories

We have computed rotational energy transfer differential and state-to-state integral quasiclassical cross sections for the He - N2 system at 27.3 meV. By comparing these differential cross sections to close coupling ones, the accuracy of the quasiclassical approximation at such a low collision energy has been assessed as satisfactory.

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