Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/46073
Title: Analytical expressions for the n-order momenta of charge distribution for ions
Authors: Martel, P. 
Rubiano, JG 
Gil, JM 
Doreste, L.
Mínguez, E.
UNESCO Clasification: 2207 Física atómica y nuclear
Keywords: Analytical poptentials
Issue Date: 1998
Publisher: 0022-4073
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer 
Abstract: In this work a family of four analytic expressions for the n-order momenta of the charge distribution for ions, 〈rn〉, depending on three, two, or one parameters will be presented. These expressions are derived through the use of electronic charge densities obtained from a family of four analytical potentials. The parameters in the expressions were obtained for ions in the ground state from helium to uranium isoelectronic sequences. The use of these parameters allows to find analytical expressions for the 〈rn〉 as functions of the nuclear charge, Z, only. Finally, the results obtained are compared with results computed by different methods.
URI: http://hdl.handle.net/10553/46073
ISSN: 0022-4073
DOI: 10.1016/S0022-4073(97)00226-4
Source: Journal Of Quantitative Spectroscopy & Radiative Transfer [ISSN 0022-4073], v. 60 (4), p. 623-633
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