Artículo
Theory of ionization processes in positron-atom collisions
Della Picca, Renata
; Fiol, Juan
; Barrachina Tejada, Raul Oscar
; Rodríguez Chariarse, Vladimir Daniel
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Fecha de publicación:
12/2006
Editorial:
Elsevier Science
Revista:
Beam Interactions with Materials and Atoms
ISSN:
0168-583X
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We review past and present theoretical developments in the description of ionization processes in positron-atom collisions. Starting from an analysis that incorporates all the interactions in the final state on an equal footing and keeps an exact account of the few-body kinematics, we perform a critical comparison of different approximations, and how they affect the evaluation of the ionization cross section. Finally, we describe the appearance of fingerprints of capture to the continuum, saddle-point and other kinematical mechanisms. © 2006 Elsevier B.V. All rights reserved.
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Articulos(IFIBA)
Articulos de INST.DE FISICA DE BUENOS AIRES
Articulos de INST.DE FISICA DE BUENOS AIRES
Citación
Della Picca, Renata; Fiol, Juan; Barrachina Tejada, Raul Oscar; Rodríguez Chariarse, Vladimir Daniel; Theory of ionization processes in positron-atom collisions; Elsevier Science; Beam Interactions with Materials and Atoms; 247; 1 SPEC. ISS.; 12-2006; 52-57
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