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About USJ-TAX

USJ-TAX is an acronym for US-Japan Cold Neutron Triple Axis Spectrometer, a crystal spectrometer which uses a continuous neutron beam.

It is developed as a collaborative effort of scientists from the leading US National Laboratories and an international group of prominent neutron scattering experts, aimed at designing and building a new high-flux inelastic neutron spectrometer at the new Cold Guide Hall of the High Flux Isotope Reactor at Oak Ridge. This effort is led by the physicists from the Neutron Scattering Group (and former Center for Neutron Science) at Brookhaven National Laboratory. The USJ-TAX is part of the US-Japan Cooperative Program on Neutron Scattering, including scientists of the Neutron Scattering Science Division at Oak Ridge National Laboratory, the Neutron Scattering Group at BNL, and the Neutron Science Laboratory, Institute for Solid State Physics, at the University of Tokyo.

The first cold neutrons entered the new Cold Guide Hall of the High Flux Isotope Reactor (HFIR) at Oak Ridge National Laboratory (ORNL) in Tennessee in 2007 and HFIR has demonstrated reliable operation with many cycles since. This Cold Source is the brightest source of cold neutrons in the world, opening exciting new opportunities for use in scientific research and industrial development.

The USJ-TAX is an inelastic cold neutron spectrometer optimized for studying single crystal samples in a broad variety of sample environments. It is intended to supply users of the HFIR and the scientific community with a platform for ground-breaking investigations of the low-energy atomic-scale dynamical properties of crystalline solids. It is planned that USJ-TAX will be commissioned in 2009. 

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Last Modified: Tuesday, 04-Mar-2008 14:40:17 EST
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:: News :: Announcements ::

Cold Guide 4 cold neutron beam characterized

Monochromator Shield Delivered!

Secondary Spectrometer being modified by Neutron Science Laboratory, Institute of Solid State Physics, University of Tokyo