Elastic scattering of electrons from Rb, Cs and Fr atoms
Differential, integrated elastic, momentum-transfer and total cross sections as well as differential S, T and U spin parameters for scattering of electrons from rubidium, caesium and francium atoms in the incident energy range up to 300 eV are calculated using a relativistic Dirac equation. The proj...
Gespeichert in:
| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
5 April 2010
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| In: |
Journal of physics. B, Atomic, molecular and optical physics
Year: 2010, Jahrgang: 43, Heft: 8, Pages: 1-12 |
| ISSN: | 1361-6455 |
| DOI: | 10.1088/0953-4075/43/8/085205 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/0953-4075/43/8/085205 Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.1088/0953-4075/43/8/085205 
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| Verfasserangaben: | R.K. Gangwar, A.N. Tripathi, L. Sharma and R. Srivastava |
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| 520 | |a Differential, integrated elastic, momentum-transfer and total cross sections as well as differential S, T and U spin parameters for scattering of electrons from rubidium, caesium and francium atoms in the incident energy range up to 300 eV are calculated using a relativistic Dirac equation. The projectile electron-target atom interaction is represented by both real and complex parameter-free optical potentials for obtaining the solution of a Dirac equation for scattered electrons. The Dirac-Fock wavefunctions have been used to represent the Rb, Cs and Fr target atoms. The results of differential cross sections and spin asymmetry parameter S for e-Rb and e-Cs have been compared with the available experimental and theoretical results. Detailed results are reported for the elastic scattering of electrons from the ground states of a francium atom for the first time in the wide range of incident electron energies. The results of electron-Fr elastic scattering show the similar features to those obtained in the case of e-Rb and e-Cs elastic scattering. | ||
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| 700 | 1 | |a Srivastava, Rajesh |e VerfasserIn |0 (DE-588)1274226171 |0 (DE-627)1824033710 |4 aut | |
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