Open this publication in new window or tab >>CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy.;Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy.;Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy.;Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy.;Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy..
CNR, Inst Plasma Sci & Technol, Via Cozzi 53, I-20125 Milan, Italy..
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.
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.
NCBJ, PL-05400 Otwock, Poland..
NCBJ, PL-05400 Otwock, Poland..
NCBJ, PL-05400 Otwock, Poland..
NCBJ, PL-05400 Otwock, Poland..
NCBJ, PL-05400 Otwock, Poland..
Univ Lisbon, Inst Super Tecn, Inst Plasmas & Fusao Nucl, Lisbon, Portugal..
Univ Lisbon, Inst Super Tecn, Inst Plasmas & Fusao Nucl, Lisbon, Portugal..
Culham Ctr Fus Energy, Culham, England..
Culham Ctr Fus Energy, Culham, England..
Culham Ctr Fus Energy, Culham, England..
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2020 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 15, article id C01010Article in journal (Refereed) Published
Abstract [en]
An important instrumental development work has been done in the last two decades in the field of neutron and gamma ray spectroscopic measurements of magnetic confinement plasmas. Starting from the present state of the art instrumentation installed at JET, this paper reviews the recent development that has been carried out within the EUROFUSION programme for the forthcoming high power JET D and DT campaign. This development was dedicated to the realization of new compact neutron and gamma-ray spectrometers which combine very high energy resolution (typically better than 5%) and MHz counting rate capabilities allowing for time resolution in the 10 ms time scale. One of the advantages offered by the compact dimensions of these spectrometers is to make possible their use in multiple sight-line camera configurations, such as for future burning plasma reactors (ITER and DEMO). New compact neutron spectrometers based on single crystal diamond detectors have been developed and installed at JET for measurements of the 14MeV neutron spectrum. Measurements on a portable DT neutron generator have shown that neutron spectroscopy of the accelerated beam ions at unprecedented energy resolution (similar to 1% at 14 MeV) is possible, which opens up new opportunities for diagnosing DT plasmas. For what concerns gamma ray measurements, the JET gamma ray camera has been recently upgraded with new compact spectrometers based on a LaBr3 scintillator coupled to Silicon Photomultiplier with the dual aim to improve the spectroscopic and rate capabilities of the detectors. The upgrade camera system will reconstruct the spatial gamma ray emissivity from the plasma in the MeV energy range at MHz counting rates and energy resolution in the 2-4% range. This will allow physics studies of gamma rays produced by the interaction of fast ions with impurities in the plasma and bremsstrahlung emission from runaway electrons.
Place, publisher, year, edition, pages
IOP PUBLISHING LTD, 2020
Keywords
Diamond Detectors, Gamma detectors (scintillators, CZT, HPG HgI etc), Neutron detectors (cold, thermal, fast neutrons), Nuclear instruments and methods for hot plasma diagnostics
National Category
Accelerator Physics and Instrumentation Fusion, Plasma and Space Physics
Identifiers
urn:nbn:se:uu:diva-410968 (URN)10.1088/1748-0221/15/01/C01010 (DOI)000525449100010 ()
Conference
3rd European Conference on Plasma Diagnostics (ECPD), MAY 06-10, 2019, Lisbon, PORTUGAL
2020-05-282020-05-282020-05-28Bibliographically approved