| ATOMIC AND MOLECULAR PHYSICS |
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Second-Order Born Effect in Single Ionization of Argon by Electron Impact |
| WANG Yang**, ZHOU Ya-Jun, JIAO Li-Guang |
| Center for Theoretical Atomic and Molecular Physics, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080 |
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| Cite this article: |
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WANG Yang, ZHOU Ya-Jun, JIAO Li-Guang 2012 Chin. Phys. Lett. 29 013401 |
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Abstract We extend the standard distorted wave Born approximation (DWBA) to include the second-order Born amplitude in order to describe the multiple interactions between a projectile and an atomic target. Both the first- and second-order DWBA models are used to calculate triply differential cross sections (TDCS) of coplanar (e, 2e) on atomic argon with the scattered electron energy fixed at 500 eV, the scattering angle at 6° and the ejected electron energies at 37, 74 and 205 eV. Overall agreements with experimental measurements have been obtained in shape, and the second-order DWBA model improves the calculations as expected, especially for recoil peak of TDCS.
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Received: 19 September 2011
Published: 07 February 2012
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| PACS: |
34.80.Dp
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(Atomic excitation and ionization)
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