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Revista mexicana de física
versión impresa ISSN 0035-001X
Rev. mex. fis. vol.52 no.5 México oct. 2006
Investigación
Elastic electron scattering by water molecules
J.L.S. Lino
Nucleo de Pesquisas em Matemática Aplicada, Universidade Braz CubasUBC, Campus I, 08773380, Mogi das Cruzes, São Paulo, Brazil.
Recibido el 21 de junio de 2005
Aceptado el 16 de agosto de 2006
Abstract
We report an application of the Schwinger variational principle with plane waves as a trial basis set. Differential cross sections are obtained for e H2O from 10 to 50 eV. In these studies the exchange potential is evaluated by the BornOchkur model and our results are found to be in reasonable agreement with experimental data and theoretical studies.
Keywords: Molecular excitation; elastic scattering of electrons; variational principle.
Resumen
Se analiza una aplicación del principio variacional de Schwinger desde la perspectiva de ondas planas para un conjunto base usando un modelo BornOchkur. El propósito de este trabajo es mostrar la sección eficaz para e H2O en el intervalo de 10 50 eV. Los resultados se comparamos con los experimentos.
Descriptores: Excitación molecular; dispersión elástica de electrones; principio variacional.
PACS: 34.80.Bm; 34.80.Gs
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Acknowledgments
JLSL gratefully acknowledges the research support given by the Universidade Braz Cubas2006, Mogi das Cruzes, SP, Brazil.
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