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|Title:||Gains from the upgrade of the cold neutron triple-axis spectrometer FLEXX at the BER-II reactor|
|Citation:||Le, M. D., Quintero-Castro, D. L., Toft-Petersen, R., Groitl, F., Skoulatos, M., Rule, K. C., & Habicht, K. (2013). Gains from the upgrade of the cold neutron triple-axis spectrometer FLEXX at the BER-II reactor. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 729, 220-226. doi:10.1016/j.nima.2013.07.007|
|Abstract:||The upgrade of the cold neutron triple-axis spectrometer FLEXX is described. We discuss the characterisation of the gains from the new primary spectrometer, including a larger guide and double focussing monochromator, and present measurements of the energy and momentum resolution and of the neutron flux of the instrument. We found an order of magnitude gain in intensity (at the cost of coarser momentum resolution), and that the incoherent elastic energy widths are measurably narrower than before the upgrade. The much improved count rate should allow the use of smaller single crystals samples and thus enable the upgraded FLEXX spectrometer to continue making leading edge measurements. © 2013, Elsevier Ltd.|
|Gov't Doc #:||5048|
|Appears in Collections:||Journal Articles|
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