Recent progress in fast-ion diagnostics for magnetically confined plasmas

D Moseev, M Salewski, M Garcia-Muñoz… - Reviews of Modern …, 2018 - Springer
On the road to a fusion reactor, a thorough control of the fast-ion distribution plays a crucial
role. Fusion-born α α-particles are, indeed, a necessary ingredient of self-sustained burning …

MeV-range velocity-space tomography from gamma-ray and neutron emission spectrometry measurements at JET

M Salewski, M Nocente, AS Jacobsen, F Binda… - Nuclear …, 2017 - iopscience.iop.org
We demonstrate the measurement of a 2D MeV-range ion velocity distribution function by
velocity-space tomography at JET. Deuterium ions were accelerated into the MeV-range by …

Measurement of a 2D fast-ion velocity distribution function by tomographic inversion of fast-ion D-alpha spectra

M Salewski, B Geiger, AS Jacobsen… - Nuclear …, 2014 - iopscience.iop.org
We present the first measurement of a local fast-ion 2D velocity distribution function f (v||,
v⊥). To this end, we heated a plasma in ASDEX Upgrade by neutral beam injection and …

Single crystal diamond detector measurements of deuterium-deuterium and deuterium-tritium neutrons in Joint European Torus fusion plasmas

C Cazzaniga, EA Sundén, F Binda, G Croci… - Review of Scientific …, 2014 - pubs.aip.org
First simultaneous measurements of deuterium-deuterium (DD) and deuterium-tritium
neutrons from deuterium plasmas using a Single crystal Diamond Detector are presented in …

High Resolution Gamma Ray Spectroscopy at MHz Counting Rates With LaBr Scintillators for Fusion Plasma Applications

M Nocente, M Tardocchi, A Olariu… - … on Nuclear Science, 2013 - ieeexplore.ieee.org
High resolution γ-ray spectroscopy measurements at MHz counting rates were carried out at
nuclear accelerators, combining a LaBr 3 (Ce) detector with dedicated hardware and …

High-definition velocity-space tomography of fast-ion dynamics

M Salewski, B Geiger, AS Jacobsen, PC Hansen… - Nuclear …, 2016 - iopscience.iop.org
Velocity-space tomography of the fast-ion distribution function in a fusion plasma is usually a
photon-starved tomography method due to limited optical access and signal-to-noise ratio of …

Dual sightline measurements of MeV range deuterons with neutron and gamma-ray spectroscopy at JET

J Eriksson, M Nocente, F Binda, C Cazzaniga… - Nuclear …, 2015 - iopscience.iop.org
Observations made in a JET experiment aimed at accelerating deuterons to the MeV range
by third harmonic radio-frequency (RF) heating coupled into a deuterium beam are reported …

Velocity-space observation regions of high-resolution two-step reaction gamma-ray spectroscopy

M Salewski, M Nocente, G Gorini, AS Jacobsen… - Nuclear …, 2015 - iopscience.iop.org
High-resolution γ-ray spectroscopy (GRS) measurements resolve spectral shapes of
Doppler-broadened γ-rays. We calculate weight functions describing velocity-space …

Conceptual design of the radial gamma ray spectrometers system for α particle and runaway electron measurements at ITER

M Nocente, M Tardocchi, R Barnsley, L Bertalot… - Nuclear …, 2017 - iopscience.iop.org
We here present the principles and main physics capabilities behind the design of the radial
gamma ray spectrometers (RGRS) system for alpha particle and runaway electron …

Alpha-particle velocity-space diagnostic in ITER

M Salewski, M Nocente, B Madsen, I Abramovic… - Nuclear …, 2018 - iopscience.iop.org
We discuss α-particle velocity-space diagnostic in ITER based on the planned collective
Thomson scattering (CTS) and γ-ray spectrometry (GRS) systems as well as ASCOT …