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Critical Points of Scattering Electrons by Light Atoms at Low Energies | ||
| Journal of Basrah Researches (Sciences) | ||
| Article 1, Volume 33, Issue 2, 2007, Pages 7-21 PDF (0 K) | ||
| Authors | ||
| A. H. Hussain; ; F. A. Ali | ||
| Abstract | ||
| The electron energy where aminimum in the differential cross section attains its smallest value is known as the critical energy , and the corresponding scattering angle is the, critical angle. The method which requires phaseshifts only at three energies is used for obtaining critical positions for the scattering of electrons by atoms .The method of partial waves along with an optical potential is employed .To explore the possibility of the existence of critical positions for the atoms , the differential cross sections for the elastic scattering of electrons from the light atoms having atomic number 4 to 10 are obtained in the 0-100 eV region .The values of the critical positions obtained by the proposed method are in excellent agreement with the computed values and other investigated values | ||
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