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High performance detectors for upgraded gamma ray diagnostics for JET DT campaigns
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
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Number of Authors: 11412016 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 91, no 6, article id 064003Article in journal (Refereed) Published
Abstract [en]

In forthcoming deuterium-tritium (DT) experiments on JET a significant population of alpha-particles will be produced. For operating alpha-particle diagnostics at high DT neutron fluxes, specific improvements have to be made. Proposed new detectors for gamma-ray measurements will be based on CeBr3 and LaBr3:Ce scintillators. They are characterized by a good energy resolution, a relatively high detection efficiency for a few MeV gamma-rays and a fast response time. An overview of scintillator parameters is presented. A description of the properties of photodetectors is given to indicate optimal setups. Results of measurements, using gamma-ray sources with energies up to a few MeV, are discussed with relation to the DT campaign requirements.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2016. Vol. 91, no 6, article id 064003
Keywords [en]
gamma-ray spectrometry, scintillators, MPPC, energy resolution, decay time, detection efficiency, tokamak
National Category
Subatomic Physics Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:uu:diva-400796DOI: 10.1088/0031-8949/91/6/064003ISI: 000378042400018OAI: oai:DiVA.org:uu-400796DiVA, id: diva2:1382609
Note

For complete list of authors see http://dx.doi.org/10.1088/0031-8949/91/6/064003

Available from: 2020-01-03 Created: 2020-01-03 Last updated: 2020-01-03Bibliographically approved

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Andersson Sundén, ErikBinda, FedericoCecconello, MarcoConroy, SeanDzysiuk, NataliiaEricsson, GöranEriksson, JacobHellesen, CarlHjalmarsson, AndersPossnert, GöranSjöstrand, HenrikSkiba, MateuszWeiszflog, Matthias

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Andersson Sundén, ErikBinda, FedericoCecconello, MarcoConroy, SeanDzysiuk, NataliiaEricsson, GöranEriksson, JacobHellesen, CarlHjalmarsson, AndersPossnert, GöranSjöstrand, HenrikSkiba, MateuszWeiszflog, Matthias
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Applied Nuclear Physics
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Subatomic PhysicsAccelerator Physics and Instrumentation

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