New neutron small-angle diffraction instrument at the Brookhaven High Flux Beam Reactor
Conference
·
OSTI ID:5349160
The new instrument utilizes cold neutrons emerging from a series of straight neutron guides. A multilayered monochromator is used in combination with a short collimator to obtain a monochromatized beam with a wavelength between 4 and 10 A and a wavelength spread of about 10%. The flux at 5 A exceeds 10/sup 6/ ns/sup -1/ cm/sup -2/ in a typical beam of 6-mm diameter at the sample. The spectrometer itself incorporates provisions for computer-controlled positioning of samples and a two-dimensional detector. At a sample-detector distance between 50 and 200 cm the detector can be centered at scattering angles of up to 45/sup 0/. The beam-defining components, the monochromator, the collimator, and various slits, are easily accessible and exchangeable for alternative devices. These features make the instrument modular and give it flexibility approaching that of standard x-ray equipment.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5349160
- Report Number(s):
- BNL-34169; CONF-8206240-1; ON: DE84006757
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
DIFFRACTOMETERS
ENRICHED URANIUM REACTORS
HEAVY WATER COOLED REACTORS
HEAVY WATER MODERATED REACTORS
HFBR REACTOR
MEASURING INSTRUMENTS
NEUTRON DIFFRACTOMETERS
REACTOR INSTRUMENTATION
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
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TANK TYPE REACTORS
THERMAL REACTORS
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
DIFFRACTOMETERS
ENRICHED URANIUM REACTORS
HEAVY WATER COOLED REACTORS
HEAVY WATER MODERATED REACTORS
HFBR REACTOR
MEASURING INSTRUMENTS
NEUTRON DIFFRACTOMETERS
REACTOR INSTRUMENTATION
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SPECIFICATIONS
TANK TYPE REACTORS
THERMAL REACTORS