Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

(Gamma scattering in condensed matter with high intensity Moessbauer radiation)

Technical Report ·
DOI:https://doi.org/10.2172/5397963· OSTI ID:5397963
There are four areas where major progress has occurred this year. We have applied the Fourier-transform method of describing and analyzing Moessbauer effect (ME) line shapes to make measurements of the temperature dependence of the recoilless fraction in tungsten. We have carried out quasi-elastic measurements of the gamma scattering from viscous liquids, learning about diffusive motion in polydimethylsiloxane, pentadecane, and glycerol. We have made major progress in fundamental physics, having shown for the first time how to determine precise quantum interference parameters, obtaining experimental results on the 46.5 keV line of {sup 183}W and the 129 keV line of {sup 191}Ir. Finally, we have continued our development of MICE detectors, with a theoretical analysis of the MICE lineshape and its relation to the lineshape of conventional transmission ME spectroscopy. 12 refs.
Research Organization:
Purdue Research Foundation, Lafayette, IN (USA)
Sponsoring Organization:
DOE/ER
DOE Contract Number:
FG02-85ER45199; FG02-85ER45200
OSTI ID:
5397963
Report Number(s):
DOE/ER/45199-T2; ON: DE90002524
Country of Publication:
United States
Language:
English