2016
DOI: 10.1139/cjp-2016-0316
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Parametric study of hyperfine structure of Zr II even-parity levels

Abstract: Up to now experimental hyperfine structure (hfs) data of twelve even-parity Zr II levels were given in literature. Recently new hyperfine splitting measurements of eleven other Zr II levels, of the same parity are achieved, applying fast-ion-beam laser-fluorescence spectroscopy. The hfs of these 23 gathered levels has been analysed by simultaneous parametrisation of the one-and two-body interactions, first in model space (4d + 5s) 3 and secondly in extended one . For the three lowest configurations, radial par… Show more

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Cited by 5 publications
(2 citation statements)
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“…In Table 2 , we have gathered the radial integral values of n d k ( n + 1)s -> n d k ( n + 1)p transitions, obtained semi-empirically in our previous works, using the same code, for singly ionized atoms, such as V II [21] , Zr II [22] , Nb II [23] , Rh II [24] , Hf II [25] to which we have added those given by Ruczkowski et al for Sc II [16] and Ti II [26] . It is easy to observe that these transition radial integral values decrease with the filling of n d-shells for the same principal quantum number; this behaviour is different for instance from established general trends in the hyperfine structure analyses: increasing (contrary to the transition radial integral which is rather decreasing) of the most influential s-monoelectronic hfs parameter divided by g I = μ I / I , a 10 ns / g I versus atomic number Z [27] . These remarks may serve, with resorting to any calculations, as hints at the starting of oscillator strength fitting procedure since we can use the deduced interval of our new investigated transition radial integral values with the help of those known for other ions and then we can conclude if our obtained data in the first stage are encouraging or not to carry on with our fitting procedure.…”
Section: Oscillator Strength Calculationmentioning
confidence: 71%
“…In Table 2 , we have gathered the radial integral values of n d k ( n + 1)s -> n d k ( n + 1)p transitions, obtained semi-empirically in our previous works, using the same code, for singly ionized atoms, such as V II [21] , Zr II [22] , Nb II [23] , Rh II [24] , Hf II [25] to which we have added those given by Ruczkowski et al for Sc II [16] and Ti II [26] . It is easy to observe that these transition radial integral values decrease with the filling of n d-shells for the same principal quantum number; this behaviour is different for instance from established general trends in the hyperfine structure analyses: increasing (contrary to the transition radial integral which is rather decreasing) of the most influential s-monoelectronic hfs parameter divided by g I = μ I / I , a 10 ns / g I versus atomic number Z [27] . These remarks may serve, with resorting to any calculations, as hints at the starting of oscillator strength fitting procedure since we can use the deduced interval of our new investigated transition radial integral values with the help of those known for other ions and then we can conclude if our obtained data in the first stage are encouraging or not to carry on with our fitting procedure.…”
Section: Oscillator Strength Calculationmentioning
confidence: 71%
“…We gave in our previous papers all details of the analysis procedure used to study fine structure of atoms and ions, see for instance [17][18][19][20][21]. Nevertheless we prefer to remind the reader that this procedure includes electrostatic and spin dependent interactions, which are represented by the Slater integrals F k , G k , R k and the spin-orbit parameters ζ nl .…”
Section: Even-parity Configurationsmentioning
confidence: 99%