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Abstract:

In this work we introduce modifications to the wave-packet method proposed by Kaneko to calculate the energy-loss moments of a projectile traversing a target which is represented in terms of Gaussian functions for the momentum distributions of electrons in the atomic shells. These modifications are introduced using the Levine and Louie technique to take into account the energy gaps corresponding to the different atomic levels of the target. We use the extended wave-packet model to evaluate the stopping power, the energy straggling, the inverse mean free path, and the ionization cross sections for protons in several targets, obtaining good agreements for all these quantities on an extensive energy range that covers low-, intermediate-, and high-energy regions. The extended wave-packet model proposed here provides a method to calculate in a very straightforward way all the significant terms of the inelastic interaction of light ions with any element of the periodic table. © 2017 American Physical Society.

Registro:

Documento: Artículo
Título:Extended wave-packet model to calculate energy-loss moments of protons in matter
Autor:Archubi, C.D.; Arista, N.R.
Filiación:Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Instituto de Astronomiá y Física Del Espacio, Pabellón IAFE, Buenos Aires, 1428, Argentina
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Centro Atómico Bariloche, Instituto Balseiro and Comisión Nacional de Energiá Atómica, S. C. de Bariloche, 8400, Argentina
Palabras clave:Energy dissipation; Inverse problems; Ionization; Energy straggling; Gaussian functions; High energy regions; Inelastic interaction; Ionization cross section; Momentum distributions; Wave packet models; Wave-packet method; Wave packets
Año:2017
Volumen:96
Número:6
DOI: http://dx.doi.org/10.1103/PhysRevA.96.062701
Título revista:Physical Review A
Título revista abreviado:Phys. Rev. A
ISSN:24699926
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v96_n6_p_Archubi

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Citas:

---------- APA ----------
Archubi, C.D. & Arista, N.R. (2017) . Extended wave-packet model to calculate energy-loss moments of protons in matter. Physical Review A, 96(6).
http://dx.doi.org/10.1103/PhysRevA.96.062701
---------- CHICAGO ----------
Archubi, C.D., Arista, N.R. "Extended wave-packet model to calculate energy-loss moments of protons in matter" . Physical Review A 96, no. 6 (2017).
http://dx.doi.org/10.1103/PhysRevA.96.062701
---------- MLA ----------
Archubi, C.D., Arista, N.R. "Extended wave-packet model to calculate energy-loss moments of protons in matter" . Physical Review A, vol. 96, no. 6, 2017.
http://dx.doi.org/10.1103/PhysRevA.96.062701
---------- VANCOUVER ----------
Archubi, C.D., Arista, N.R. Extended wave-packet model to calculate energy-loss moments of protons in matter. Phys. Rev. A. 2017;96(6).
http://dx.doi.org/10.1103/PhysRevA.96.062701