Multiple scattering of slow muons in an electron gas

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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 Reinhe...

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Detalles Bibliográficos
Autores principales: Archubi, C.D., Arista, N.R.
Formato: JOUR
Materias:
Atomic and Molecular Collisions
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_14346060_v71_n9_p_Archubi
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_14346060_v71_n9_p_Archubi
record_format dspace
spelling todo:paper_14346060_v71_n9_p_Archubi2023-10-03T16:15:48Z Multiple scattering of slow muons in an electron gas Archubi, C.D. Arista, N.R. Atomic and Molecular Collisions 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. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_14346060_v71_n9_p_Archubi
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Atomic and Molecular Collisions
spellingShingle Atomic and Molecular Collisions
Archubi, C.D.
Arista, N.R.
Multiple scattering of slow muons in an electron gas
topic_facet Atomic and Molecular Collisions
description 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.
format JOUR
author Archubi, C.D.
Arista, N.R.
author_facet Archubi, C.D.
Arista, N.R.
author_sort Archubi, C.D.
title Multiple scattering of slow muons in an electron gas
title_short Multiple scattering of slow muons in an electron gas
title_full Multiple scattering of slow muons in an electron gas
title_fullStr Multiple scattering of slow muons in an electron gas
title_full_unstemmed Multiple scattering of slow muons in an electron gas
title_sort multiple scattering of slow muons in an electron gas
url http://hdl.handle.net/20.500.12110/paper_14346060_v71_n9_p_Archubi
work_keys_str_mv AT archubicd multiplescatteringofslowmuonsinanelectrongas
AT aristanr multiplescatteringofslowmuonsinanelectrongas
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