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; Mirko Salewski; G. Tardini; M. Valisa

doi:10.1063/1.5036658

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, Mirko Salewski, G. Tardini, M. Valisa

^*Corresponding author for this work

Department of Physics

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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 language	English
Article number	10I124
Journal	Review of Scientific Instruments
Volume	89
Issue number	10
Number of pages	5
ISSN	0034-6748
DOIs	https://doi.org/10.1063/1.5036658
Publication status	Published - 2018

Keywords

Fusion Products, Energetic Particles, Particle Measurements, and Neutrals

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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. (2018). High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade. Review of Scientific Instruments, 89(10), Article 10I124. https://doi.org/10.1063/1.5036658

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

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.",

keywords = "Fusion Products, Energetic Particles, Particle Measurements, and Neutrals",

author = "M. Nocente and A. Shevelev and L. Giacomelli and G. Pautasso and M. Tardocchi and D. Gin and M. Gobbin and G. Gorini and A. Fernandes and A. Herrmann and E. Khilkevitch and E. Panontin and G. Papp and Pereira, {R. C.} and Mirko Salewski and G. Tardini and M. Valisa",

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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, 10I124. https://doi.org/10.1063/1.5036658

TY - JOUR

T1 - High resolution gamma-ray spectrometer with MHz capabilities for runaway electron studies at ASDEX Upgrade

AU - Nocente, M.

AU - Shevelev, A.

AU - Giacomelli, L.

AU - Pautasso, G.

AU - Tardocchi, M.

AU - Gin, D.

AU - Gobbin, M.

AU - Gorini, G.

AU - Fernandes, A.

AU - Herrmann, A.

AU - Khilkevitch, E.

AU - Panontin, E.

AU - Papp, G.

AU - Pereira, R. C.

AU - Salewski, Mirko

AU - Tardini, G.

AU - Valisa, M.

PY - 2018

Y1 - 2018

N2 - 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.

AB - 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.

KW - Fusion Products, Energetic Particles, Particle Measurements, and Neutrals

U2 - 10.1063/1.5036658

DO - 10.1063/1.5036658

M3 - Journal article

C2 - 30399910

SN - 0034-6748

VL - 89

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 10

M1 - 10I124

ER -

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

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Keywords

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