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Abstract:

Abstract: A comparative study of the angular dispersion of slow muons in an electron gas is performed using three dielectric models which represent the case of metals (Lindhard model for a free electron gas) and the cases of semiconductors and insulators (Levine and Louie model and Brandt and Reinheimer model for systems with a band gap) and a non-linear model for both cases at very low velocities. The contribution of collective electronic excitations according to the dielectric model are found to be negligible. The results from the calculation using Lindhard expressions for the angular half width are coincident with the result of a multiple scattering model. In particular, the effects produced by the band gap of the material are analyzed in detail. Finally, as the recoil effect is negligible, there is an almost exact scaling, for a given velocity, between the proton and the muon results. Graphical abstract: [Figure not available: see fulltext.]. © 2017, EDP Sciences, SIF, Springer-Verlag GmbH Germany.

Registro:

Documento: Artículo
Título:Multiple scattering of slow muons in an electron gas
Autor:Archubi, C.D.; Arista, N.R.
Filiación:Instituto de Astronomía y Física del Espacio-UBA-Conicet, Ciudad Universitaria, Buenos Aires, 1428, Argentina
División Colisiones Atómicas, Centro Atómico Bariloche and Instituto Balseiro, S.C. Bariloche, 8400, Argentina
Palabras clave:Atomic and Molecular Collisions
Año:2017
Volumen:71
Número:9
DOI: http://dx.doi.org/10.1140/epjd/e2017-80264-9
Título revista:European Physical Journal D
Título revista abreviado:Eur. Phys. J. D
ISSN:14346060
CODEN:EPJDF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346060_v71_n9_p_Archubi

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Citas:

---------- APA ----------
Archubi, C.D. & Arista, N.R. (2017) . Multiple scattering of slow muons in an electron gas. European Physical Journal D, 71(9).
http://dx.doi.org/10.1140/epjd/e2017-80264-9
---------- CHICAGO ----------
Archubi, C.D., Arista, N.R. "Multiple scattering of slow muons in an electron gas" . European Physical Journal D 71, no. 9 (2017).
http://dx.doi.org/10.1140/epjd/e2017-80264-9
---------- MLA ----------
Archubi, C.D., Arista, N.R. "Multiple scattering of slow muons in an electron gas" . European Physical Journal D, vol. 71, no. 9, 2017.
http://dx.doi.org/10.1140/epjd/e2017-80264-9
---------- VANCOUVER ----------
Archubi, C.D., Arista, N.R. Multiple scattering of slow muons in an electron gas. Eur. Phys. J. D. 2017;71(9).
http://dx.doi.org/10.1140/epjd/e2017-80264-9