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Relativistic K shell decay rates and fluorescence yield for Fe

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dc.contributor.author Kahoul, A
dc.contributor.author Kasri, Y
dc.contributor.author Sahnoune, Y
dc.contributor.author Deghfel, B
dc.contributor.author Khalfallah, F
dc.contributor.author Sampaio, J. M
dc.contributor.author Marques, J. P
dc.date.accessioned 2022-05-30T10:40:12Z
dc.date.available 2022-05-30T10:40:12Z
dc.date.issued 2016-12-15
dc.identifier.uri http://depot.umc.edu.dz/handle/123456789/12805
dc.description.abstract In this work, we derive the K-shell fluorescence yield using a Dirac-Fock model. To compute, radiationless and radiative transition rates we have used the MCDF code of Desclaux and Indelicato [1- 3]. The wave functions were calculated in the single-configuration approach with magnetic (Gaunt) and first-order retardation terms of the Breit interaction included in the self-consistent variational method. Higher-order Breit retardation terms were added as perturbations. Regarding the QED contributions, the one-electron self-energy is evaluated using the values of Mohr and Kim [4-5] and the self-energy screening is treated with using the Welton method reported by Indelicato [1]. Vacuum polarization is included in the calculations taking the following approach: the Uelhing contribution is evaluated to all orders by being included in the self-consistent field while higher order corrections are accounted for as perturbations. The continuum electron wave function in the final state is evaluated by solving the Dirac- Fock equations with the full exchange potential and is normalized to represent one ejected electron per unit energy. The results are compared with available data from other authors
dc.language.iso en
dc.publisher Université Frères Mentouri - Constantine 1
dc.subject K-shell fluorescence yield
dc.subject radiationless and radiative transtion rates
dc.subject Dirac-Fock calculations
dc.title Relativistic K shell decay rates and fluorescence yield for Fe
dc.type Article

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