First spatially resolved measurements of the D-3He α -particle source with the upgraded JET gamma-ray camera

E. Panontin*, D. Rigamonti, M. Nocente, A. Dal Molin, A. Broslawski, T. Craciunescu, G. Croci, N. Cruz, J. Figueiredo, L. Giacomelli, G. Gorini, M. Gosk, G. Kaveney, Ye O. Kazakov, V. Kiptily, S. Korolczuk, G. Marcer, A. Murari, E. Perelli Cippo, M. SalewskiA. Urban, I. Zychor, M. Tardocchi

*Corresponding author for this work

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Abstract

The Joint European Torus (JET) gamma-ray camera has been recently upgraded with the installation of new gamma-ray detectors, based on LaBr3(Ce) scintillation crystals, which add spectroscopic capability to the existing system allowing measurements with good energy resolution (5% at 0.622 MeV), a dynamic range from hundreds of keV up to about 30 MeV, and high counting rate capabilities of MCps. First gamma-ray measurements during the C38 campaign of the JET have been successfully carried out, in particular, in D-3He plasmas from three-ion ion cyclotron resonance heating experiments, where the detection of 16.4 MeV γ-rays from D + 3He → γ + 5Li reactions with the gamma-ray camera upgrade allowed determining the spatial profile of alpha particles born in D + 3He fusion reactions.

Original languageEnglish
Article number053529
JournalReview of Scientific Instruments
Volume92
Issue number5
Number of pages5
ISSN0034-6748
DOIs
Publication statusPublished - 2021

Bibliographical note

Funding Information:
This work was carried out within the framework of the EURO-fusion Consortium and received funding from the Euratom research and training program 2014–2018 and 2019–2020 under Grant Agreement No. 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission.

Funding Information:
This scientific work was also supported by the Polish Ministry of Science and Higher Education within the framework of the scientific financial resources in the years 2015–2020 allocated for the realization of the international co-financed project.

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