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Precise x-ray energies of gadolinium determined by a combined experimental and theoretical approach

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Resumo:We combined different experimental techniques with a theoretical approach to determine a consistent set of diagram lines energies and binding energies. We propose an original approach consisting in determining the mass attenuation coefficients in an energy range covering the L-, M- and N- absorption edges, including a detailed evaluation of the associated uncertainties, to derive precisely the binding energies. We investigated the Lα, Lβ and M spectra of Gd with an independantly calibrated high-resolution anti-parallel double-crystal x-ray spectrometer. All the lines were identified and found in excellent agreement with the binding energies previously derived. Morever, we identified for the first time M5−O2, M4−O2,3 and M4−N2,3 diagram lines.
Autores principais:Ménesguen, Y.
Outros Autores:Lépy, M. C.; Ito, Y.; Yamashita, M.; Fukushima, S.; Polasik, M.; Słabkowska, K.; Syrocki; Wȩder, E.; Indelicato, P.; Marques, J. P.; Sampaio, J. M.; Guerra, M.; Parente, F.; Santos, J. P.
Assunto:Diagram line energies Mass attenuation coefficients Radiation Atomic and Molecular Physics, and Optics Spectroscopy
Ano:2019
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade Nova de Lisboa
Idioma:inglês
Origem:Repositório Institucional da UNL

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