Few Body Effects in the Electron and Positron Impact Ionization of Atoms
Autor: | Radu I. Campeanu, Colm T. Whelan |
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Jazyk: | angličtina |
Rok vydání: | 2021 |
Předmět: |
Physics
electron Nuclear and High Energy Physics Range (particle radiation) Projectile QC770-798 Kinematics Electron Condensed Matter Physics 01 natural sciences Atomic and Molecular Physics and Optics 010305 fluids & plasmas Impact ionization Positron few body Nuclear and particle physics. Atomic energy. Radioactivity Ionization 0103 physical sciences ionization positron Atomic physics 010306 general physics Electron ionization |
Zdroj: | Atoms Volume 9 Issue 2 Atoms, Vol 9, Iss 33, p 33 (2021) |
ISSN: | 2218-2004 |
DOI: | 10.3390/atoms9020033 |
Popis: | Triple differential cross sections (TDCS) are presented for the electron and positron impact ionization of inert gas atoms in a range of energy sharing geometries where a number of significant few body effects compete to define the shape of the TDCS. Using both positrons and electrons as projectiles has opened up the possibility of performing complementary studies which could effectively isolate competing interactions that cannot be separately detected in an experiment with a single projectile. Results will be presented in kinematics where the electron impact ionization appears to be well understood and using the same kinematics positron cross sections will be presented. The kinematics are then varied in order to focus on the role of distortion, post collision interaction (pci), and interference effects. |
Databáze: | OpenAIRE |
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