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Kinematic background discrimination methods using a fully digital data acquisition system for TOFOR
Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
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Number of Authors: 11122016 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 838, p. 82-88Article in journal (Refereed) Published
Abstract [en]

A fully digital, prototype data acquisition system upgrade for the TOFOR neutron time-of-flight neutron spectrometer at the JET experimental fusion reactor in Culham, England, has been constructed. This upgrade, TOFu (Time-of-Flight upgrade), enables digitization of associated time and energy deposition information from the TOFOR scintillator detectors, facilitating discrimination of spectral background due to unrelated neutron events based on kinematic considerations. In this publication, a kinematic background discrimination method is presented using synthetic data and validated with experimental results. It is found that an improvement in signal-to-background ratio of 500% in certain spectral regions is possible with the new DAQ system.

Place, publisher, year, edition, pages
ELSEVIER , 2016. Vol. 838, p. 82-88
Keywords [en]
Fusion, Time-of-flight spectrometry, JET, Neutron spectrometry, TOFOR, Data acquisition
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-270602DOI: 10.1016/j.nima.2016.09.030ISI: 000386061200013Scopus ID: 2-s2.0-84988481360OAI: oai:DiVA.org:kth-270602DiVA, id: diva2:1413522
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QC 20200310

Available from: 2020-03-10 Created: 2020-03-10 Last updated: 2020-03-10

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Bergsåker, Henric

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Bergsåker, HenricBykov, IgorElevant, ThomasFrassinetti, LorenzoGarcia-Carrasco, AlvaroHellsten, TorbjörnIvanova, DaryaJohnson, ThomasMenmuir, SheenaPetersson, PerRachlew, ElisabethRubel, MarekStröm, PetterTholerus, EmmiWeckmann, Armin
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Fusion, Plasma and Space Physics

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