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ESS Instrument Detector Algorithms

indsendt 14. maj 2018 04.43 af Hans-Henrik Kaaber   [ opdateret 14. maj 2018 04.44 ]
Professor Stig Skelboe, Niels Bohr Institute, University of Copenhagen
Time: 12 June 2018, 16:30 - 17:30
Place: Copenhagen Business School, Howitzvej 60, Department of Digitalization, room 5.23
(Afholdes i forlængelse af den årlige generalforsamling - se indkaldelsen til denne.)

The European Spallation Source (ESS) is a powerful neutron source being built in Lund in Sweden. This presentation first gives a brief overview of the ESS, and then presents the detector technology used by one of the instruments, the Macromolecular Spectrometer (NMX). The main part of the presentation is about the algorithms developed for real time processing of electrical data from the detector into the scatter images being the main outcome of an experiment. Because of the real time requirement, the algorithms are designed to run in constant time per data point. The processing includes time sorting, neutron event clustering of data from x and y electrode strips of the detector, pairing of x and y clusters, and finally localization of the neutron events.

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