The VESUVIO spectrometer at the ISIS pulsed neutron source performs inelastic neutron scattering at high-energy and wave vector transfers, employing gold and uranium resonant foils. A factor of two improvement in the instrumental resolution has been achieved by making use of the double filter difference method. Experimental results are presented for measurements on polycrystalline Pb, which indicate that accurate measurements of single-particle momentum distribution n(p) in quantum fluids are now possible at eV energy transfers.
Mayers, J., Tomkinson, J., Abdul Redah, T., Stirling, W., Andreani, C., Senesi, R., et al. (2004). VESUVIO - The double difference inverse geometry spectrometer at ISIS. PHYSICA. B, CONDENSED MATTER, 350, 659 [10.1016/j.physb.2004.03.179].
VESUVIO - The double difference inverse geometry spectrometer at ISIS
ANDREANI, CARLA;SENESI, ROBERTO;
2004-01-01
Abstract
The VESUVIO spectrometer at the ISIS pulsed neutron source performs inelastic neutron scattering at high-energy and wave vector transfers, employing gold and uranium resonant foils. A factor of two improvement in the instrumental resolution has been achieved by making use of the double filter difference method. Experimental results are presented for measurements on polycrystalline Pb, which indicate that accurate measurements of single-particle momentum distribution n(p) in quantum fluids are now possible at eV energy transfers.| File | Dimensione | Formato | |
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