A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus

M. Nocente; T. Craciunescu; G. Gorini; V. Kiptily; M. Tardocchi; V. Braic; M. Curuia; A. Dal Molin; J. Figueiredo; L. Giacomelli; M. Iliasova; Y. Kazakov; E. Khilkevitch; G. Marcer; E. Panontin; D. Rigamonti; M. Salewski; A. Shevelev; S. Soare; V. Zoita; I. Zychor

doi:10.1063/5.0043806

A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus

M. Nocente^*, T. Craciunescu, G. Gorini, V. Kiptily, M. Tardocchi, V. Braic, M. Curuia, A. Dal Molin, J. Figueiredo, L. Giacomelli, M. Iliasova, Y. Kazakov, E. Khilkevitch, G. Marcer, E. Panontin, D. Rigamonti, M. Salewski, A. Shevelev, S. Soare, V. ZoitaI. Zychor

^*Corresponding author for this work

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Abstract

A new tangential gamma-ray spectrometer has been developed for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus (JET). The instrument is based on a LaBr3 crystal with a photo-multiplier tube and replaces a pre-existing bismuth germanate detector, providing enhanced energy resolution and a counting rate capability in the MHz range. The line of sight is equipped with a LiH attenuator, which reduces the background due to 14 MeV neutron interactions with the crystal by more than two orders of magnitude and enables the observation of gamma-ray emission from confined α particles in JET deuterium-tritium plasmas. Thanks to its tangential line of sight, the detector can distinguish co- and counter-passing ions. The performance of the instrument is demonstrated through the results of recent JET fast ion experiments in deuterium plasmas.

Original language	English
Article number	043537
Journal	Review of Scientific Instruments
Volume	92
Issue number	4
Number of pages	5
ISSN	0034-6748
DOIs	https://doi.org/10.1063/5.0043806
Publication status	Published - 2021

Bibliographical note

Funding Information:
This work was carried out within the framework of the EUROfusion Consortium and received funding from the Euratom Research and Training Programme 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. This scientific work was also supported by the Polish Ministry of Science and Higher Education within the frame-work of the scientific financial resources in the years 2015–2020 allocated for the realization of the international co-financed project.

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Nocente, M., Craciunescu, T., Gorini, G., Kiptily, V., Tardocchi, M., Braic, V., Curuia, M., Dal Molin, A., Figueiredo, J., Giacomelli, L., Iliasova, M., Kazakov, Y., Khilkevitch, E., Marcer, G., Panontin, E., Rigamonti, D., Salewski, M., Shevelev, A., Soare, S., ... Zychor, I. (2021). A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus. Review of Scientific Instruments, 92(4), Article 043537. https://doi.org/10.1063/5.0043806

@article{3a6c727d5eb54e97a3b01ef831e5b52c,

title = "A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus",

abstract = "A new tangential gamma-ray spectrometer has been developed for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus (JET). The instrument is based on a LaBr3 crystal with a photo-multiplier tube and replaces a pre-existing bismuth germanate detector, providing enhanced energy resolution and a counting rate capability in the MHz range. The line of sight is equipped with a LiH attenuator, which reduces the background due to 14 MeV neutron interactions with the crystal by more than two orders of magnitude and enables the observation of gamma-ray emission from confined α particles in JET deuterium-tritium plasmas. Thanks to its tangential line of sight, the detector can distinguish co- and counter-passing ions. The performance of the instrument is demonstrated through the results of recent JET fast ion experiments in deuterium plasmas. ",

author = "M. Nocente and T. Craciunescu and G. Gorini and V. Kiptily and M. Tardocchi and V. Braic and M. Curuia and {Dal Molin}, A. and J. Figueiredo and L. Giacomelli and M. Iliasova and Y. Kazakov and E. Khilkevitch and G. Marcer and E. Panontin and D. Rigamonti and M. Salewski and A. Shevelev and S. Soare and V. Zoita and I. Zychor",

note = "Funding Information: This work was carried out within the framework of the EUROfusion Consortium and received funding from the Euratom Research and Training Programme 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. This scientific work was also supported by the Polish Ministry of Science and Higher Education within the frame-work of the scientific financial resources in the years 2015–2020 allocated for the realization of the international co-financed project. ",

year = "2021",

doi = "10.1063/5.0043806",

language = "English",

volume = "92",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics",

number = "4",

}

Nocente, M, Craciunescu, T, Gorini, G, Kiptily, V, Tardocchi, M, Braic, V, Curuia, M, Dal Molin, A, Figueiredo, J, Giacomelli, L, Iliasova, M, Kazakov, Y, Khilkevitch, E, Marcer, G, Panontin, E, Rigamonti, D, Salewski, M, Shevelev, A, Soare, S, Zoita, V & Zychor, I 2021, 'A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus', Review of Scientific Instruments, vol. 92, no. 4, 043537. https://doi.org/10.1063/5.0043806

TY - JOUR

T1 - A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus

AU - Nocente, M.

AU - Craciunescu, T.

AU - Gorini, G.

AU - Kiptily, V.

AU - Tardocchi, M.

AU - Braic, V.

AU - Curuia, M.

AU - Dal Molin, A.

AU - Figueiredo, J.

AU - Giacomelli, L.

AU - Iliasova, M.

AU - Kazakov, Y.

AU - Khilkevitch, E.

AU - Marcer, G.

AU - Panontin, E.

AU - Rigamonti, D.

AU - Salewski, M.

AU - Shevelev, A.

AU - Soare, S.

AU - Zoita, V.

AU - Zychor, I.

N1 - Funding Information: This work was carried out within the framework of the EUROfusion Consortium and received funding from the Euratom Research and Training Programme 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. This scientific work was also supported by the Polish Ministry of Science and Higher Education within the frame-work of the scientific financial resources in the years 2015–2020 allocated for the realization of the international co-financed project.

PY - 2021

Y1 - 2021

N2 - A new tangential gamma-ray spectrometer has been developed for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus (JET). The instrument is based on a LaBr3 crystal with a photo-multiplier tube and replaces a pre-existing bismuth germanate detector, providing enhanced energy resolution and a counting rate capability in the MHz range. The line of sight is equipped with a LiH attenuator, which reduces the background due to 14 MeV neutron interactions with the crystal by more than two orders of magnitude and enables the observation of gamma-ray emission from confined α particles in JET deuterium-tritium plasmas. Thanks to its tangential line of sight, the detector can distinguish co- and counter-passing ions. The performance of the instrument is demonstrated through the results of recent JET fast ion experiments in deuterium plasmas.

AB - A new tangential gamma-ray spectrometer has been developed for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus (JET). The instrument is based on a LaBr3 crystal with a photo-multiplier tube and replaces a pre-existing bismuth germanate detector, providing enhanced energy resolution and a counting rate capability in the MHz range. The line of sight is equipped with a LiH attenuator, which reduces the background due to 14 MeV neutron interactions with the crystal by more than two orders of magnitude and enables the observation of gamma-ray emission from confined α particles in JET deuterium-tritium plasmas. Thanks to its tangential line of sight, the detector can distinguish co- and counter-passing ions. The performance of the instrument is demonstrated through the results of recent JET fast ion experiments in deuterium plasmas.

U2 - 10.1063/5.0043806

DO - 10.1063/5.0043806

M3 - Journal article

C2 - 34243441

AN - SCOPUS:85104103332

SN - 0034-6748

VL - 92

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 4

M1 - 043537

ER -

A new tangential gamma-ray spectrometer for fast ion measurements in deuterium and deuterium-tritium plasmas of the Joint European Torus

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Bibliographical note

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