The design of a neutron spectrometer for inelastic scattering with inverse geometry configuration is presented. The main new characteristics of the proposed design are the use of a Venetian blind arrangement for the crystal analysers and the insertion of a para-hydrogen filter for the suppression of higher-order reflections. Based on this design, a prototype arm was built and tested at ISIS Spallation Neutron Source (UK). The results of the test measurements, showing the performances of the system, are presented and discussed.
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Titolo: | An inverse geometry neutron scattering spectrometer with graphite Venetian blind crystal analyser and a para-hydrogen filter |
Autori: | |
Data di pubblicazione: | 2000 |
Rivista: | |
Abstract: | The design of a neutron spectrometer for inelastic scattering with inverse geometry configuration... is presented. The main new characteristics of the proposed design are the use of a Venetian blind arrangement for the crystal analysers and the insertion of a para-hydrogen filter for the suppression of higher-order reflections. Based on this design, a prototype arm was built and tested at ISIS Spallation Neutron Source (UK). The results of the test measurements, showing the performances of the system, are presented and discussed. |
Handle: | http://hdl.handle.net/11391/920922 |
Appare nelle tipologie: | 1.1 Articolo in rivista |