Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment
We report measurements of double differential cross section for zero-degree binary encounter electrons emitted in collisions of 4.9 MeV and 13 MeV B<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow&...
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MDPI AG
2023-01-01
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| Rochtain ar líne: | https://www.mdpi.com/2218-2004/11/2/17 |
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| author | Nicolás J. Esponda Stefanos Nanos Michele A. Quinto Theo J. M. Zouros Roberto D. Rivarola Emmanouil P. Benis Juan M. Monti |
| author_facet | Nicolás J. Esponda Stefanos Nanos Michele A. Quinto Theo J. M. Zouros Roberto D. Rivarola Emmanouil P. Benis Juan M. Monti |
| author_sort | Nicolás J. Esponda |
| collection | DOAJ |
| description | We report measurements of double differential cross section for zero-degree binary encounter electrons emitted in collisions of 4.9 MeV and 13 MeV B<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>(</mo><mn>2</mn><mo>−</mo><mn>5</mn><mo>)</mo><mo>+</mo></mrow></msup></semantics></math></inline-formula> ions with H<sub>2</sub> targets. The corresponding calculations based on continuum distorted-wave (CDW) theories are critically compared to the measurements. CDW in its post form exhibits a very good agreement with the measurements in all cases. The CDW theories utilized along with the well-known eikonal-initial-state (CDW-EIS) approximation are also examined and their results are compared to both the measurements and the CDW calculations. In particular, CDW-EIS using a recently proposed dynamic effective charge for the final channel projectile distortion exhibits a substantial improvement in comparison with an effective net-charge approximation. |
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| id | doaj.art-91e37c85c74f4a75b201cafa6a7de3e5 |
| institution | Directory Open Access Journal |
| issn | 2218-2004 |
| language | English |
| last_indexed | 2024-03-11T09:10:08Z |
| publishDate | 2023-01-01 |
| publisher | MDPI AG |
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| spelling | doaj.art-91e37c85c74f4a75b201cafa6a7de3e52023-11-16T19:04:38ZengMDPI AGAtoms2218-20042023-01-011121710.3390/atoms11020017Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and ExperimentNicolás J. Esponda0Stefanos Nanos1Michele A. Quinto2Theo J. M. Zouros3Roberto D. Rivarola4Emmanouil P. Benis5Juan M. Monti6Instituto de Física Rosario (CONICET-UNR), Bv 27 de Febrero 210 bis, Rosario 2000, ArgentinaDepartment of Physics, University of Ioannina, GR-45110 Ioannina, GreeceInstituto de Física Rosario (CONICET-UNR), Bv 27 de Febrero 210 bis, Rosario 2000, ArgentinaDepartment of Physics, University of Crete, GR-70013 Heraklion, GreeceInstituto de Física Rosario (CONICET-UNR), Bv 27 de Febrero 210 bis, Rosario 2000, ArgentinaDepartment of Physics, University of Ioannina, GR-45110 Ioannina, GreeceInstituto de Física Rosario (CONICET-UNR), Bv 27 de Febrero 210 bis, Rosario 2000, ArgentinaWe report measurements of double differential cross section for zero-degree binary encounter electrons emitted in collisions of 4.9 MeV and 13 MeV B<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>(</mo><mn>2</mn><mo>−</mo><mn>5</mn><mo>)</mo><mo>+</mo></mrow></msup></semantics></math></inline-formula> ions with H<sub>2</sub> targets. The corresponding calculations based on continuum distorted-wave (CDW) theories are critically compared to the measurements. CDW in its post form exhibits a very good agreement with the measurements in all cases. The CDW theories utilized along with the well-known eikonal-initial-state (CDW-EIS) approximation are also examined and their results are compared to both the measurements and the CDW calculations. In particular, CDW-EIS using a recently proposed dynamic effective charge for the final channel projectile distortion exhibits a substantial improvement in comparison with an effective net-charge approximation.https://www.mdpi.com/2218-2004/11/2/17ion-atom collisionsbinary encounter electronsdistorted wave theories |
| spellingShingle | Nicolás J. Esponda Stefanos Nanos Michele A. Quinto Theo J. M. Zouros Roberto D. Rivarola Emmanouil P. Benis Juan M. Monti Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment Atoms ion-atom collisions binary encounter electrons distorted wave theories |
| title | Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment |
| title_full | Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment |
| title_fullStr | Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment |
| title_full_unstemmed | Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment |
| title_short | Binary Encounter Electrons in Fast Dressed-Ion–H<sub>2</sub> Collisions: Distorted Wave Theories and Experiment |
| title_sort | binary encounter electrons in fast dressed ion h sub 2 sub collisions distorted wave theories and experiment |
| topic | ion-atom collisions binary encounter electrons distorted wave theories |
| url | https://www.mdpi.com/2218-2004/11/2/17 |
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