Hyperfine Field and Hyperfine Anomalies of Copper Impurities in Iron

Details Hyperfine Field and Hyperfine Anomalies of Copper Impurities in Iron Hyperfine Field and Hyperfine Anomalies of Copper Impurities in Iron

2011-07-29

arxiv.org/abs/1107.5999v1

Phys.Rev.C84:014323,2011

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 2 figures, 3 tables

Scientific paper

10.1103/PhysRevC.84.014323

A new value for the hyperfine magnetic field of copper impurities in iron is obtained by combining resonance frequencies from experiments involving {\beta}-NMR on oriented nuclei on 59-Cu, 69-Cu, and 71-Cu with magnetic moment values from collinear laser spectroscopy measurements on these isotopes. The resulting value, i.e., Bhf(CuFe) = -21.794(10) T, is in agreement with the value adopted until now but is an order of magnitude more precise. It is consistent with predictions from ab initio calculations. Comparing the hyperfine field values obtained for the individual isotopes, the hyperfine anomalies in Fe were determined to be 59{\Delta}69=0.15(9)% and 71{\Delta}69=0.07(11)%.

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