High Flux Isotope Reactor (HFIR)

Agency/Department

FLC Region

Security Lab

No

Address

1 Bethel Valley Rd
Oak Ridge, TN 37830
United States

(P)

865-574-2966

Description

The HFIR at Oak Ridge National Laboratory is a light-water cooled and moderated reactor that is the United States’ highest flux reactor-based neutron source. HFIR operates at 85 megawatts to provide state-of-the-art facilities for neutron scattering, materials irradiation, and neutron activation analysis and is the world's leading source of elements heavier than plutonium for research, medicine, and industrial applications. The neutron scattering instruments installed on the four horizontal beam tubes are used in fundamental studies of the properties of a very wide range of materials of interest to solid-state physicists, chemists, biologists, polymer scientists, metallurgists, and colloid scientists. Recently, a number of improvements at HFIR have increased its capabilities and include the installation of larger beam tubes and shutters, a high-performance liquid hydrogen cold source, and neutron scattering instrumentation. The installation of the cold source provides beams of cold neutrons for scattering research that are as bright as any in the world.
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