Results 1 to 10 of about 183,265 (263)

A model for analytical calculations of synthetic neutron energy spectra from beam-target reactions

open access: yesNuclear Fusion
We present a fully analytical model for calculating energy spectra of neutrons generated by fusion reactions involving a fast ion, or beam, and a stationary ion, or target, in magnetic fusion plasmas.
A. Valentini   +9 more
doaj   +1 more source

Gyrokinetic simulations of the core turbulence in the reference JT-60SA scenario

open access: yesNuclear Fusion
Linear and nonlinear local gyrokinetic simulations of the high power high current JT-60SA scenario are presented, based on inputs from predictive transport modelling.
O. Krutkin   +3 more
doaj   +1 more source

Investigation of fast ion characteristics via neutron emission spectroscopy in NBI–ICRF third-harmonic heating plasmas on EAST

open access: yesNuclear Fusion
We present the first comprehensive multi-sightline neutron spectrometry measurements during synergistic NBI and deuterium third-harmonic ICRF heating on EAST.
A.D. Xu   +23 more
doaj   +1 more source

First simultaneous observation of co- and counter-current fast-ion losses in the ASDEX Upgrade tokamak

open access: yesNuclear Fusion
In ITER and future fusion power plants, the source of the fusion born alpha particles is almost isotropic in pitch angle, thus having co- and counter-current populations.
A. Reyner-Viñolas   +12 more
doaj   +1 more source

Isotope impact on Alfvén eigenmodes and fast ion transport in DIII-D

open access: yesNuclear Fusion
Measurements of beam driven Alfvén Eigenmode (AE) activity in matched deuterium (D) and hydrogen (H) DIII-D plasmas show a dramatic difference in unstable mode activity and fast ion transport for a given injected beam power.
M.A. Van Zeeland   +12 more
doaj   +1 more source

Verification of fast ion and rotation effects on turbulence through comparison of GENE and CGYRO with L-mode plasmas in KSTAR

open access: yesNuclear Fusion
This study presents a cross-verification of fast ion effects on turbulence through a systematic comparison of two leading gyrokinetic codes, GENE Jenko et al (2000 Phys. Plasmas 7 1904–10) and CGYRO Candy et al (2016 J. Comput. Phys.
Donguk Kim   +9 more
doaj   +1 more source

Fast-ion phase-space tomography with wave–particle interactions in the ion cyclotron frequency range as prior

open access: yesNuclear Fusion
The fast-ion distribution function in fusion plasmas can be inferred by inverting Doppler-shifted measurements from fast-ion diagnostics. The full fast-ion distribution function can be parametrised by three constants of motion with the addition of a ...
M. Rud   +15 more
doaj   +1 more source

Overview of physics results from MAST upgrade towards core-pedestal-exhaust integration

open access: yesNuclear Fusion
Recent results from MAST Upgrade are presented, emphasising understanding the capabilities of this new device and deepening understanding of key physics issues for the operation of ITER and the design of future fusion power plants.
J.R. Harrison   +205 more
doaj   +1 more source

Fast and Sensitive Measurement of Off-Flavors in Recirculating Aquaculture Systems. [PDF]

open access: yesRapid Commun Mass Spectrom
Noguera PM   +5 more
europepmc   +1 more source

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