Observation of the Full Time Evolution of the Nuclear Collective-Decay Mode in CrystallineFe257O3Excited by Synchrotron Radiation
作者： G. Faigel , D. P. Siddons , J. B. Hastings , P. E. Haustein , J. R. Grover
DOI: 10.1103/PHYSREVLETT.61.2794
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摘要: The full time evolution of the coherent deexcitation 14.4-keV nuclear resonance, excited by synchrotron radiation in a single crystal simple antiferromagnet $^{57}\mathrm{Fe}_{2}$${\mathrm{O}}_{3}$, has been measured. buildup from zero decay probability at following excitation, increasing to maximum 2.4 nseclater, observed experimentally for first time. results are good agreement with calculations based on dynamical theory Bragg scattering.
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