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IN15

Spin-echo spectrometer with time-of-flight option and focusing option

The measured relaxation times fit with an exponential decay as expected for a polymer melt.

The measured relaxation times fit with an exponential decay as expected for a polymer melt.

Polymer melt relaxation times

PEO polymer melt relaxation times at 140 C as measured by Time-of-Flight Neutron Spin Echo (TOF NSE) at one single detector position. Note the large dynamical range in relaxation times.

Ref.: B. Farago, Time-of-Flight Neutron Spin Echo in Neutron Spin Echo Spectroscopy, Ed. F. Mezei, et al., Lecture Notes in Physics Vol. 601, Springer Verlag 2003.