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College Park, Maryland      June 6 - 10 , 2004

M2-C3 (11:15 AM): Modulated Intensity Small Angle Neutron Scattering - MISANS

M. Bleuel, J. Lal, K. C. Littrell (Intense Pulsed Neutron Source, Argonne National Lab), R. Gaehler (Institut Laue Langevin)

We present MISANS, a new design of an instrument, which combines the properties of an existing Small Angle Neutron Scattering (SANS)-spectrometer at a pulsed source (SAD@IPNS) with a MIEZE-type neutron resonance spin echo (NRSE)-spectrometer. Thus the new instrument features the high NSE energy resolution for quasi-elastic measurements with a SANS q-resolution. Furthermore the MIEZE-technique allows the measurement of magnetic and spin-incoherent scattering samples as well as the use of an area detector. The spectrometer will also take full advantage of using a pulsed source, both the spatial and the time domain will be completely scanned within one pulse, without moving parts inside the instrument. In order to archive all provided information, the planned area detector consists of time resolving scintillation photo mutlipliers.

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