Search for: [Abstrakt = "A study of the hyperfine structure of mixed multipole line 646.7 nm of Bi I is reported. A special computer program was designed to obtain the predicted contour of the hyperfine structure of the line for different values of the electric\-quadrupole admixture. By variation of free parameters, describing the line shape and the electric\-quadrupole admixture D, defined as the ratio of the magnetic\-dipole and electric\-quadrupole decay rates D = AE2\/\(AM1 \+ AE2\), the calculated profiles were fitted into the recorded spectra. The D value of the best fit found is \(17.8 ± 1.0\)%. Our result is compared with recent theories and other experiments."]

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