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Wyszukujesz frazę "electron scattering" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Electron elastic collisions with C3F6 molecule
Autorzy:
Możejko, P.
Szmytkowski, Cz.
Powiązania:
https://bibliotekanauki.pl/articles/1954668.pdf
Data publikacji:
2003
Wydawca:
Politechnika Gdańska
Tematy:
electron scattering
elastic cross section
hexafluoropropene
independent atom method
Opis:
We report calculations of differential and integral cross sections for intermediate- and high-energy (50-1000eV) elastic collisions of electrons with hexafluoropropene (C3F6) molecules. The calculations have been carried out using the independent atom model with static-polarization model potential. The present results are compared with elastic cross sections estimated from total and ionization experiments. Agreement between present calculations and the "experiment" is good for energies above 70eV.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2003, 7, 2; 171-178
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electron-argon scattering: a high angle minimum in differential cross sections
Autorzy:
Konopińska, V.
Telega, S.
Sienkiewicz, J. E.
Powiązania:
https://bibliotekanauki.pl/articles/1964089.pdf
Data publikacji:
2001
Wydawca:
Politechnika Gdańska
Tematy:
scattering
atomic physics
relativistic theory
electron-Ar scattering
Opis:
Ab initio relativistic calculations of the high angle differential cross section minimum have been presented. Theoretical method is based on the Dirac-Hartree-Fock scattering equation. Ab initio polarization and exact exchange have been included. Calculations have been performed for the low energy elastic electron scattering from argon. A very good agreement with the recent experimental data has been found.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2001, 5, 1; 13-16
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
JMATRIX - package for relativistic J-MATRIX calculations in elastic scattering of electrons from model potentials
Autorzy:
Syty, P.
Sienkiewicz, J. E.
Powiązania:
https://bibliotekanauki.pl/articles/1940696.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska
Tematy:
J-matrix method
relativistic
electron elastic scattering
phase shifts
Dirac partial-waves analysis
differential
total
momentum transfer
spin polarization cross sections
Opis:
We present a software package JMATRIX, consisting of two computer codes written in FORTRAN 95 and parallelized with OpenMP, implementing the so-called J-matrix method, applied to elastic scattering of electrons on the radial potential, vanishing faster than the Coulomb potential. In the J-matrix method, the physical scattering problem is replaced by using a well-defined model which is solved analytically. The presented software implements both non-relativistic and relativistic versions of the method, and allows calculations of scattering phase shifts as well as cross sections, in cases when the scattering potential is given through an analytical formula. We performed test calculations for the scattering potential modeled as a truncated Coulomb potential. We show that the numerical phase shifts to converge as we increase the size of the basis used to truncate the scattering potential, and that the method is suitable for calculating the total differential momentum transfer and spin polarization cross sections, using the partial-wave analysis.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2017, 21, 1; 17-42
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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