T. Keller et al., RECENT DEVELOPMENTS AND RESULTS FROM THE NEUTRON RESONANCE SPIN-ECHO SPECTROMETER (NRSE) AT BENSC BERLIN, Physica. B, Condensed matter, 234, 1997, pp. 1126-1127
A new neutron resonance spin-echo (NRSE) spectrometer, also called zer
o-field NSE, tvas set up at BENSC Berlin. One advantage of the NRSE te
chnique is that it is easily adapted to use the tilted field technique
for high-resolution measurement of phonon line widths, Features of th
e spectrometer and first results from the measurement of excitation li
ne widths in superfluid He-4 are discussed.