Observation of the gamma resonance of a long-lived 109mAg isomer using a gravitational gamma-ray spectrometer |
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Authors: | Yu. D. Bayukov A. V. Davydov Yu. N. Isaev G. R. Kartashov M. M. Korotkov V. V. Migachev |
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Affiliation: | 1.Alikhanov Institute for Theoretical and Experimental Physics,Moscow,Russia |
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Abstract: | Experiments confirming the previous data on the small real width of the γ resonance of 109m Ag have been performed with a gravitational gamma-ray spectrometer. The achieved resolution is eight orders of magnitude higher than that of Mössbauer spectrometers using gamma rays from a 57Fe nuclide. The theoretically predicted broadening of the Mössbauer gamma line of 109m Ag by five orders of magnitude (due to the dipole-dipole interaction between the magnetic moments of neighboring nuclei) has not been observed. |
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