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Neutron Emission Profiles and Energy Spectra Measurements at JET
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
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2014 (English)In: FUSION REACTOR DIAGNOSTICS, 2014, 113-116 p.Conference paper (Refereed)Text
Abstract [en]

The joint European Torus (JET, Culham, UK) is the largest tokamak in the world. It is devoted to nuclear fusion experiments of magnetic confined Deuterium (D) or Deuterium-Tritium (DT) plasmas. JET has been upgraded over the years and recently it has also become a test facility of the components designed for ITER, the next step fusion machine under construction in Cadarache (France). JET makes use of many different diagnostics to measure the physical quantities of interest in plasma experiments. Concerning D or plasmas neutron production, various types of detectors are implemented to provide information upon the neutron total yield, emission profile and energy spectrum. The neutron emission profile emitted from the JET plasma poloidal section is reconstructed using the neutron camera (KN3). In 2010 KN3 was equipped with a new digital data acquisition system capable of high rate neutron measurements (<0.5 MCps). A similar instrument will be implemented on ITER and it is currently in its design phase. Various types of neutron spectrometers with different view lines are also operational on JET. One of them is a new compact spectrometer (KM12) based on organic liquid scintillating material which was installed in 2010 and implements a similar digital data acquisition system as for KN3. This article illustrates the measurement results of KN3 neutron emission profiles and KM 12 neutron energy spectra from the latest JET D experimental campaign C31.

Place, publisher, year, edition, pages
2014. 113-116 p.
, AIP Conference Proceedings, 1612
National Category
Fusion, Plasma and Space Physics
Research subject
Physics with specialization in Applied Nuclear Physics
URN: urn:nbn:se:uu:diva-287006DOI: 10.1063/1.4894035ISI: 000343712300020OAI: oai:DiVA.org:uu-287006DiVA: diva2:922206
International Conference on Fusion Reactor Diagnostics, SEP 09-13, 2013, Varenna, ITALY
Available from: 2016-04-22 Created: 2016-04-22 Last updated: 2016-04-22

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Conroy, Sean
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