A white beam neutron spin splitter [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 13 pages : digital, PDF file
Additional Creators:: Argonne National Laboratory, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

The polarization of a narrow, highly collimated polychromatic neutron beam is tested by a neutron spin splitter that permits the simultaneous measurement of both spin states. The device consists of a Si-Co{sub 0.11} Fe{sub 0.89} supermirror, which totally reflects one spin state up to a momentum transfer q=0.04 Å⁻¹, whilst transmits neutrons of the opposite spin state. The supermirror is sandwitched between two thick silicon wafers and is magnetically saturated by a magnetic field of 400 Oe parallel to its surface. The neutron beam enters through the edge of one of the two silicon wavers, its spin components are split by the supermirror and exit from the opposite edges of the two silicon wafers and are recorded at different channels of a position-sensitive detector. The device is shown to have excellent efficiency over a broad range of wavelengths.

Report Numbers:

E 1.99:anl/msd/cp--93049
E 1.99: conf-970712--
conf-970712--
anl/msd/cp--93049

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Note:

Published through SciTech Connect.
07/23/1997.
"anl/msd/cp--93049"
" conf-970712--"
"DE97054052"
5. international conference on surface X-ray and neutron scattering, Oxford (United Kingdom), 13-17 Jul 1997.
Felcher, G.P.; Klose, F.; Krist, T.

Funding Information:

W-31-109-ENG-38

View MARC record | catkey: 14403769