Hybrid calculation of electron-polar-molecule scattering: Integrated and momentum-transfer cross sections for LiF

The results of electron drift and diffusion measurements in parahydrogen have been analysed to determine the cross sections for momentum transfer and for rotational and vibrational excitation. The limited number of possible excitation processes in parahydrogen and the wide separation of the thresholds for these processes make it possible to determine uniquely the J = 0 → 2 rotational cross section from threshold to 0.3 eV. In addition, the momentum transfer cross section has been determined for energies less than 2 eV and it is shown that, near threshold, a vibrational cross section compatible with the data must lie within relatively narrow limits. The problems of uniqueness and accuracy inherent in the swarm method of cross section analysis are discussed. The present results are compared with other recent theoretical and experimental determinations; the agreement with the most recent calculations of Henry and Lane is excellent.

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Pseudopotential calculations of elastic scattering of electrons by helium atoms in the range 0–20 eV

Canadian Journal of Physics ◽

10.1139/p90-016 ◽

1990 ◽

Vol 68 (1) ◽

pp. 104-110 ◽

Cited By ~ 6

Author(s):

B. Plenkiewicz ◽

P. Plenkiewicz ◽

J.-P. Jay-Gerin

Keyword(s):

Experimental Data ◽

Elastic Scattering ◽

Momentum Transfer ◽

Cross Sections ◽

Theoretical Calculations ◽

Incident Electron ◽

Elastic Electron ◽

Scattering System ◽

Helium Atoms ◽

Pseudopotential Calculations

Our earlier pseudopotential calculations on electrons colliding with argon and krypton are extended to consider the elastic electron–helium scattering system. In this paper, we present detailed results for phase shifts, differential, total, and momentum-transfer cross sections for this system for incident electron energies in the range from 0 to 20 eV. These agree very well with existing experimental data and with other theoretical calculations.

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A local collision probability approximation for predicting momentum transfer cross sections

The Analyst ◽

10.1039/c5an00712g ◽

2015 ◽

Vol 140 (20) ◽

pp. 6804-6813 ◽

Cited By ~ 18

Author(s):

Christian Bleiholder

Keyword(s):

Momentum Transfer ◽

Cross Sections ◽

Ion Mobility ◽

Collision Probability

The local collision probability approximation (LCPA) method is introduced to compute molecular momentum transfer cross sections for comparison to ion mobility experiments.

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Electron scattering from germanium tetrafluoride

RSC Advances ◽

10.1039/c4ra11507d ◽

2014 ◽

Vol 4 (109) ◽

pp. 63817-63823 ◽

Cited By ~ 6

Author(s):

Biplab Goswami ◽

Rahla Naghma ◽

Bobby Antony

Keyword(s):

Momentum Transfer ◽

Electron Scattering ◽

Cross Sections ◽

Differential Cross ◽

Shape Resonance ◽

Differential Cross Sections ◽

Rotational Excitation ◽

R Matrix ◽

High Energies ◽

Germanium Tetrafluoride

R-matrix and SCOP methods are used at low and high energies respectively to find e-GeF4 TCS. Electronic and rotational excitation, momentum transfer and elastic differential cross sections are also calculated. A shape resonance is observed at 5.7 eV.

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Low-energy positron–hydrogen molecule scattering

Canadian Journal of Physics ◽

10.1139/p82-078 ◽

1982 ◽

Vol 60 (4) ◽

pp. 597-600 ◽

Cited By ~ 5

Author(s):

Sukanya Sur ◽

A. S. Ghosh

Keyword(s):

Cross Sections ◽

Effective Potential ◽

Qualitative Agreement ◽

Hydrogen Molecule ◽

Low Energy ◽

Total Cross Sections ◽

Model Potentials ◽

Theoretical Predictions ◽

Molecule Scattering

The method of Hara using two centre formalism has been employed to investigate positron–hydrogen molecule scattering at low incident energies. Two model potentials have been used to see the importance of the choice of effective potential. It has been found that the total cross sections are sensitive to the details of the effective potential. The present results are in qualitative agreement with measured values and other existing theoretical predictions.

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