Geodesic
Forward scattering of Mössbauer radiation by thick absorbers under NMR conditions in an exited nuclear state
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 155 (2013) no. 1, pp. 143-149 Cet article a éte moissonné depuis la source Math-Net.Ru

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This work deals with the resonant scattering of Mössbauer radiation in forward direction by a thick absorber with magnetic order. We propose an excitation of the absorber by a resonant radiofrequency field (provided NMR condition in the exited nuclear state is fulfilled). We made concrete calculations for the Mössbauer isotope $^{57}\mathrm{Fe}$ and found that the resonant radiofrequency field causes the formation of satellites in the forward scattering spectra, analogously to the case of satellites exited by an ultrasound or a nonresonant radiofrequency field. We also detected the phenomenon of radiofrequency-induced partial transparency of the medium, i.e., the increase in the intensity of the Mössbauer radiation transmitted through the absorber, accompanied by the increase in the radiofrequency field amplitude.
Keywords: radiofrequency Mössbauer spectroscopy, forward scattering of Mössbauer radiation, double gamma-magnetic resonance. 
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     title = {Forward scattering of {M\"ossbauer} radiation by thick absorbers under {NMR} conditions in an exited nuclear state},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
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E. K. Sadykov; V. V. Arinin; V. Yu. Lyubimov. Forward scattering of Mössbauer radiation by thick absorbers under NMR conditions in an exited nuclear state. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 155 (2013) no. 1, pp. 143-149. http://geodesic.mathdoc.fr/item/UZKU_2013_155_1_a19/

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