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College Park, Maryland      June 6 - 10 , 2004

W3-A10: Breakout Session on HYSPEC: A Novel Direct Geometry Polarized Beam Inealstic Instrument for the SNS

M. Hagen (Spallation Neutron Source, Oak Ridge National Laboratory) , S. M. Shapiro I. A. Zaliznyak (Brookhaven National Laboratory)

HYSPEC is a direct geometry inelastic scattering spectrometer for single crystal and polarized neutron studies at the SNS. The instrument combines time-of-flight spectroscopy and focusing Bragg optics to enhance the monochromatic neutron flux on small samples. It is a moderate resolution instrument optimized for an incident energy range of 3.6-60 meV. HYSPEC will be designed to do polarized neutron studies using a Heusler crystal monochromator and supermirror bender analyzers for the polarization analysis of the scattered neutrons. There will be presentations describing the instrument design and estimated performance along with the important simulations aimed at keeping the background to a minimum. This breakout session will serve as an IDT Meeting, but is open to all who have an interest in learning about HYSPEC and have the desire to use a polarized beam inelastic scattering instrument.

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