The TOSCA incoherent inelastic neutron spectrometer: progress and results

Bowden, Z.A. and Celli, M. and Cilloco, F. and Colognesi, D. and Newport, R.J. and Parker, S.F. and Ricci, F.P. and Rossi-Albertini, V. and Sacchetti, F. and Tomkinson, J. and Zoppi, M. (2000) The TOSCA incoherent inelastic neutron spectrometer: progress and results. In: 2nd European Conference on Neutron Scattering (ECNS 99), 1-4 September 1999, Budapest, Hungary. (Access to this publication is restricted)

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Abstract

The back-scattering part (phase I) of the new incoherent inelastic neutron spectrometer, TOSCA, replacing the old TFXA, has been successfully installed at the ISIS pulsed neutron spallation source. The results, owing to the much larger detector area. show a significant enhancement of the counting rate and an improvement of the resolution. In spring 2000, the forward scattering bank (phase II) will be completed and, during the final installation, the whole instrument will be moved; from the present 12 m primary flight path to 17 m. This will result in a large improvement of the overall resolution (fram 2-3% to 1-1.5% of the energy transfer). A chopper will be added in order to avoid neutron frame overlap and to reduce the fast neutron background. In addition, TOSCA will have a diffraction capability.

Item Type: Conference or workshop item (Paper)
Uncontrolled keywords: neutron instruments; incoherent scattering; vibrational spectroscopy
Subjects: Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Functional Materials Group
Depositing User: P. Ogbuji
Date Deposited: 20 Mar 2009 22:31
Last Modified: 06 Sep 2011 02:02
Resource URI: http://kar.kent.ac.uk/id/eprint/16399 (The current URI for this page, for reference purposes)
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