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Abstract:

In this paper we study the single ionization of helium atoms by the impact of protons at intermediate energies. We present a continuum-distorted-wave–eikonal-initial-state calculation of the cross section doubly differential in the projectile scattering angle and the ionized electron energy. The internuclear interaction is incorporated by means of an eikonal phase approximation. This calculation includes a full account of the final-state interactions among the three collision partners, showing a much better agreement with the recent experimental data of Schulz et al. than other first-order theories. We also discuss the appearance of different structures associated with the electron capture to the continuum process and the binary-encounter projectile-electron collision. © 1998 The American Physical Society.

Registro:

Documento: Artículo
Título:Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy
Autor:Rodríguez, V.D.; Barrachina, R.O.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Comisión Nacional de Energía Atómica, Centro Atómico Bariloche e Instituto Balseiro, Bariloche, 8400, Argentina
Año:1998
Volumen:57
Número:1
Página de inicio:215
Página de fin:220
DOI: http://dx.doi.org/10.1103/PhysRevA.57.215
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v57_n1_p215_Rodriguez

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Citas:

---------- APA ----------
Rodríguez, V.D. & Barrachina, R.O. (1998) . Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy. Physical Review A - Atomic, Molecular, and Optical Physics, 57(1), 215-220.
http://dx.doi.org/10.1103/PhysRevA.57.215
---------- CHICAGO ----------
Rodríguez, V.D., Barrachina, R.O. "Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy" . Physical Review A - Atomic, Molecular, and Optical Physics 57, no. 1 (1998) : 215-220.
http://dx.doi.org/10.1103/PhysRevA.57.215
---------- MLA ----------
Rodríguez, V.D., Barrachina, R.O. "Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 57, no. 1, 1998, pp. 215-220.
http://dx.doi.org/10.1103/PhysRevA.57.215
---------- VANCOUVER ----------
Rodríguez, V.D., Barrachina, R.O. Projectile angular distribution in He single ionization by proton impact as a function of the ejected-electron energy. Phys Rev A. 1998;57(1):215-220.
http://dx.doi.org/10.1103/PhysRevA.57.215