High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade

M. Nocente, A. Shevelev, L. Giacomelli, G. Pautasso, M. Tardocchi, D. Gin, M. Gobbin, G. Gorini, A. Fernandes, A. Herrmann, E. Khilkevitch, E. Panontin, G. Papp, R. C. Pereira, M. Salewski, G. Tardini, M. Valisa

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A new gamma-ray spectrometer with MHz capabilities has been developed to measure the bremsstrahlung emission spectrum in the gamma-ray energy band generated by MeV range runaway electrons in disruption experiments at ASDEX Upgrade. Properties of the runaway electrons are inferred from the measured bremsstrahlung spectrum by a deconvolution technique, particularly with regard to their maximum energy. Changes induced to the runaway electron velocity space are unambiguously observed both in massive gas injection and resonant magnetic perturbation experiments with the detector.

Original languageEnglish
Article number101124
JournalReview of Scientific Instruments
Volume89
Issue number10
DOIs
Publication statusPublished - Oct 1 2018

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Gamma ray spectrometers
gamma ray spectrometers
bremsstrahlung
Electrons
high resolution
gas injection
Deconvolution
Gamma rays
Band structure
energy bands
emission spectra
Experiments
gamma rays
Detectors
perturbation
detectors
energy

ASJC Scopus subject areas

  • Instrumentation

Cite this

Nocente, M., Shevelev, A., Giacomelli, L., Pautasso, G., Tardocchi, M., Gin, D., ... Valisa, M. (2018). High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade. Review of Scientific Instruments, 89(10), [101124]. https://doi.org/10.1063/1.5036658

High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade. / Nocente, M.; Shevelev, A.; Giacomelli, L.; Pautasso, G.; Tardocchi, M.; Gin, D.; Gobbin, M.; Gorini, G.; Fernandes, A.; Herrmann, A.; Khilkevitch, E.; Panontin, E.; Papp, G.; Pereira, R. C.; Salewski, M.; Tardini, G.; Valisa, M.

In: Review of Scientific Instruments, Vol. 89, No. 10, 101124, 01.10.2018.

Research output: Contribution to journalArticle

Nocente, M, Shevelev, A, Giacomelli, L, Pautasso, G, Tardocchi, M, Gin, D, Gobbin, M, Gorini, G, Fernandes, A, Herrmann, A, Khilkevitch, E, Panontin, E, Papp, G, Pereira, RC, Salewski, M, Tardini, G & Valisa, M 2018, 'High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade', Review of Scientific Instruments, vol. 89, no. 10, 101124. https://doi.org/10.1063/1.5036658
Nocente, M. ; Shevelev, A. ; Giacomelli, L. ; Pautasso, G. ; Tardocchi, M. ; Gin, D. ; Gobbin, M. ; Gorini, G. ; Fernandes, A. ; Herrmann, A. ; Khilkevitch, E. ; Panontin, E. ; Papp, G. ; Pereira, R. C. ; Salewski, M. ; Tardini, G. ; Valisa, M. / High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade. In: Review of Scientific Instruments. 2018 ; Vol. 89, No. 10.
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