EPJ Web Conf.
Volume 170, 2018ANIMMA 2017 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|Number of page(s)||3|
|Section||Fusion diagnostics and technology|
|Published online||10 January 2018|
Studies on Flat Sandwich-type Self-Powered Detectors for Flux Measurements in ITER Test Blanket Modules
Karlsruhe Institute ofTechnology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
E.N.E.A. C.R., I-00044 Frascati ( Rome), Italy.
Neutron Laboratory of Technical University of Dresden (TUD), 01328 Dresden, Germany.
Institute for Nuclear Chemistry, Johannes Gutenberg-University (JGU), 015228 Mainz, Germany.
Institute for Radiation Physics, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), 01328 Dresden, Germany.
corresponding author e-mail: firstname.lastname@example.org
Published online: 10 January 2018
Neutron and gamma flux measurements in designated positions in the test blanket modules (TBM) of ITER will be important tasks during ITER’s campaigns. As part of the ongoing task on development of nuclear instrumentation for application in European ITER TBMs, experimental investigations on self-powered detectors (SPD) are undertaken. This paper reports the findings of neutron and photon irradiation tests performed with a test SPD in flat sandwich-like geometry. Whereas both neutrons and gammas can be detected with appropriate optimization of geometries, materials and sizes of the components, the present sandwich-like design is more sensitive to gammas than 14 MeV neutrons. Range of SPD current signals achievable under TBM conditions are predicted based on the SPD sensitivities measured in this work.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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