Performance of the new pyrolytic graphite analyser bank on the IRIS spectrometer at ISIS preliminary results

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Persistent URL	http://purl.org/net/epubs/work/29531
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Record Id	29531
Title	Performance of the new pyrolytic graphite analyser bank on the IRIS spectrometer at ISIS preliminary results
Contributors	M T F Telling, S I Campbell, J Tomkinson, D D Abbley, Z A Bowden, DA Cragg, D T Maxwell, KL Allen, J A R Bones, JJP Balchin, PJ Marshall, M A Adams, C J Carlile
Abstract	The pyrolytic graphite (PG) analyser bank on the IRIS high-resolution inelastic spectrometer at ISIS has been upgraded. While the original design utilised a 6 row by 225-column array of 2mm thick (1 cm (sup2)) graphite crystals cooled to 25K, the new design is comprised of 4212 crystal pieces (1mm thick, 18 rows by 234 columns). In addition, the graphite is now cooled close to liquid helium temperature to further improve the sensitivity of the spectrometer. In this report we compare the performance of the newly upgraded instrument to resolution and intensity measurements collected prior to the modifications.
Organisation	CCLRC , ISIS , ISIS-IRIS
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Language	English (EN)

Type	Details	URI(s)	Local file(s)	Year
Report	RAL Technical Reports RAL-TR-2001-001. 2001.		raltr-2001001.pdf	2001