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Controlling absorption of gamma radiation via nuclear level anticrossing
R Coussement1, Y Rostovtsev, J Odeurs
1Department of Physics and Institute for Quantum Studies, Texas A&M University, College Station 77843-4242, USA.
Physical Review Letters
|September 13, 2002
Abstract:
A significant reduction of absorption for single gamma photons has been experimentally observed by studying Mössbauer spectra of 57Fe in a FeCO3 crystal. The experimental results have been explained in terms of a quantum interference effect involving nuclear level anticrossing due to the presence of a combined magnetic dipole and electric quadrupole interaction.