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Artículo

Neonization method for stopping, mean excitation energy, straggling, and for total and differential ionization cross sections of CH4, NH3, H2O and FH by impact of heavy projectiles

Miraglia, Jorge EstebanIcon ; Montanari, Claudia CarmenIcon
Fecha de publicación: 01/2014
Editorial: Iop Publishing
Revista: Journal Of Physics B: Atomic, Molecular And Optical Physics
ISSN: 0953-4075
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Física Atómica, Molecular y Química

Resumen

Abstract. We propose a neonization method to deal with molecules composed by hydrides of the second row of the periodic table of elements: CH4, NH3,OH2, and FH. This method describes these 10-electron molecules as dressedatoms in a pseudo spherical potential. We test it by covering most of the inelasticcollisional magnitudes of experimental interest: ionization cross sections (total,single and double differential), stopping power, energy loss straggling and meanexcitation energy. To this end the neonization method has been treated withdifferent collisional formalisms, such as the continuum-distorted-wave-eikonalinitial-state, the first order Born, and the shell-wise local plasma approximations. We show that the present model reproduces the different empirical values with high reliability in the intermediate to high energy region. We also include the expansion of the spherical wave functions in terms of Slater-type orbitals and the analytic expression for the spherical potentials. This makes it possible in the future to tackle present neonization strategy with other collisional models.
Palabras clave: Neonization , Molecules , Mean Excitation Energy
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/17050
DOI: http://dx.doi.org/10.1088/0953-4075/47/1/015201
URL: http://iopscience.iop.org/article/10.1088/0953-4075/47/1/015201/meta
Colecciones
Articulos(IAFE)
Articulos de INST.DE ASTRONOMIA Y FISICA DEL ESPACIO(I)
Citación
Miraglia, Jorge Esteban; Montanari, Claudia Carmen; Neonization method for stopping, mean excitation energy, straggling, and for total and differential ionization cross sections of CH4, NH3, H2O and FH by impact of heavy projectiles; Iop Publishing; Journal Of Physics B: Atomic, Molecular And Optical Physics; 47; 1; 1-2014; 15201, 1-12
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