Experimental proof of configuration interaction on the hyperfine structure of the 57Fe atomReport as inadecuate




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Abstract : The effect of SL-dependent configuration interaction SL-CI on the hyperfine structure of a complex atom is first determined accurately. The radial integrals for the iron atom evaluated from the experimental data corrected to second-order perturbation theory are the following in a.u. : for the 3d7 4s configuration < r-3 >01 = 3.913, < r-3 >12 = 3.982, < r-3 > 10 = - 2.087 and dP4sr-dr2 0 = 37.0 , and for the 3d6 4s2 configuration < r-3 >01 = 4.518, < r-3 >12 = 4.594 , < r-3 >10 = - 0.722 . The values of the parameters describing SL-CI in dNs configurations, according to Bauche-Arnoult notation, are : x2=x3=0.08, x4=-0.062, x7 = 0.068 , x11 = -0.113.

Keywords : atomic electron correlations atomic hyperfine structure iron Russell Saunders coupling





Author: J. Dembczyński

Source: https://hal.archives-ouvertes.fr/



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