MAPS
16 Oct 2008
Yes
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MAPS has changed the way the neutron community thinks about inelastic neutron scattering.

No
​View of MAPS from above
 

MAPS has been in operation since 2000. It was the first chopper spectrometer to employ a large array of position sensitive detectors, and the first to be designed solely for the purpose of measuring excitations in single crystals. It was originally envisaged that MAPS would be used predominantly for studies of high-energy excitations, using neutrons with incident energies in the epithermal range. Its use has evolved over time, and now a significant proportion of the beam time is devoted to single crystal excitation experiments involving the use of thermal neutrons, measuring excitations with energies as low as a few meV. In addition a recent trend has seen about one quarter of the beam time become devoted to catalysis and molecular spectroscopy experiments.​

Further technical information about MAPS is provided in the link on the right hand side of this page.

​The MAPS upgrade, which involved installation of a neutron guide and new choppers,​ has now been completed. The gain in flux on the upgraded instrument exceeded expectations and is now between a factor 2 and 20 higher (energy dependent) than in the past, making it essentially the same as that available on MERLIN.​


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