The ARCS radial collimator

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Abstract

We have designed, installed, and commissioned a scattered beam radial collimator for use at the ARCS Wide Angular Range Chopper Spectrometer at the Spallation Neutron Source. The collimator has been designed to work effectively for thermal and epithermal neutrons and with a range of sample environments. Other design considerations include the accommodation of working within a high vacuum environment and having the ability to quickly install and remove the collimator from the scattered beam. We present here characterization of the collimator's performance and methodologies for its effective use.

Original languageEnglish
Article number03014
JournalEPJ Web of Conferences
Volume83
DOIs
StatePublished - Jan 23 2015
Event11th International Conference on Quasielastic Neutron Scattering, QENS 2014 and 6th International Workshop on Inelastic Neutron Spectrometers, WINS 2014 - Autrans, France
Duration: May 11 2014May 16 2014

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