Issue 6, 2005
From the journal:

Physical Chemistry Chemical Physics

Spectroscopic characteristics of the OSIRIS near-backscattering crystal analyser spectrometer on the ISIS pulsed neutron source†

Mark. T. F. Telling*a  and  Ken. H. Andersenb  

* Corresponding authors

a ISIS Facility, Rutherford Appleton Laboratory, Chilton, Oxon, UK
E-mail: m.telling@rl.ac.uk
Fax: +44 (0) 1235 445270
Tel: +44 (0) 1235 445529

b Institut Laue-Langevin, Grenoble, France
E-mail: andersen@ill.fr
Fax: +33 (0) 476 483906
Tel: +33 (0) 476 207137

Abstract

The OSIRIS neutron instrument on the ISIS pulsed source now affords the option of high-resolution quasi-elastic and inelastic neutron spectroscopy. In this paper, the performance of OSIRIS is presented, with the spectroscopic characteristics of the instrument being discussed in terms of energy resolution, signal to background ratio and neutron count rate. Recent improvements to the spectrometer are described, in particular the effect of cooling the crystal analysers close to liquid helium temperature to enhance the sensitivity of the instrument. The performance of OSIRIS is also likened to back-scattering, crystal analyser spectrometers at other neutron sources.

Graphical abstract: Spectroscopic characteristics of the OSIRIS near-backscattering crystal analyser spectrometer on the ISIS pulsed neutron source

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Article information

DOI
https://doi.org/10.1039/B413934H
Article type
Paper
Submitted
10 Sep 2004
Accepted
07 Dec 2004
First published
10 Jan 2005

Phys. Chem. Chem. Phys., 2005,7, 1255-1261

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Spectroscopic characteristics of the OSIRIS near-backscattering crystal analyser spectrometer on the ISIS pulsed neutron source

Mark. T. F. Telling and Ken. H. Andersen, Phys. Chem. Chem. Phys., 2005, 7, 1255 DOI: 10.1039/B413934H

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