Double ionization of helium by ion impact: second Born order treatment at the fully differential level
In this work, a theoretical study of the double ionization of He by ion impact at the fully differential level is presented. Emphasis is made in the role played by the projectile in the double emission process depending on its charge and the amount of momentum transferred to the target. A Born-CDW m...
| Authors: | ; ; |
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| Format: | Article |
| Status: | Published version |
| Publication date: | 2015 |
| Country: | Argentina |
| Institution: | Consejo Nacional de Investigaciones Científicas y Técnicas |
| Repository: | CONICET Digital (CONICET) |
| Language: | English |
| OAI Identifier: | oai:ri.conicet.gov.ar:11336/48059 |
| Online Access: | http://hdl.handle.net/11336/48059 |
| Access Level: | Open access |
| Keyword: | FULLY DIFFERENTIAL CROSS SECTIONS ION-ATOM COLLISIONS DOUBLE IONIZATION https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| Summary: | In this work, a theoretical study of the double ionization of He by ion impact at the fully differential level is presented. Emphasis is made in the role played by the projectile in the double emission process depending on its charge and the amount of momentum transferred to the target. A Born-CDW model including a second-order term in the projectile charge is introduced and evaluated within an on-shell treatment. We find that emission geometries for which the second-order term dominates lead to asymmetric structures around the momentum transfer direction, a typical characteristic of higher order transitions. |
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