Design and commissioning of a high magnetic field muon spin relaxation spectrometer at the ISIS pulsed neutron and muon source

Lord, J. S.; McKenzie, I.; Baker, P. J.; Blundell, S. J.; Cottrell, S. P.; Giblin, S. R.; Good, J.; Hillier, A. D.; Holsman, B. H.; King, P. J. C.; Lancaster, T.; Mitchell, R.; Nightingale, J. B.; Owczarkowski, M.; Poli, S.; Pratt, F. L.; Rhodes, N. J.; Scheuermann, R.; Salman, Z.
July 2011
Review of Scientific Instruments;Jul2011, Vol. 82 Issue 7, p073904
Academic Journal
The high magnetic field (HiFi) muon instrument at the ISIS pulsed neutron and muon source is a state-of-the-art spectrometer designed to provide applied magnetic fields up to 5 T for muon studies of condensed matter and molecular systems. The spectrometer is optimised for time-differential muon spin relaxation studies at a pulsed muon source. We describe the challenges involved in its design and construction, detailing, in particular, the magnet and detector performance. Commissioning experiments have been conducted and the results are presented to demonstrate the scientific capabilities of the new instrument.


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