Results 151 to 160 of about 3,816 (192)

Prediction of tumour hypoxia status from the washout of positron emitters in beam-monitoring PET: carbon-ion irradiation to tumour rat models. [PDF]

EJNMMI Res
Toramatsu C, Wakizaka H, Tashima H, Sudo H, Akamatsu G, Ishikawa T, Kang HG, Seki C, Kanno I, Yamaya T.   +9 more
europepmc   +1 more source

Detection of Ion Cyclotron Emissions by Use of ICRF Antennas in LHD

Detection of Ion Cyclotron Emissions by Use of ICRF Antennas in LHD
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Origin of superthermal ion cyclotron emission in tokamaks

Nuclear Fusion, 1997
It is shown that the key mechanism in the origin of superthermal ion cyclotron emission (ICE) appearing in tokamak fusion experiments is the instability of fast magnetoacoustic waves having very small longitudinal wavenumbers and being excited through toroidicity affected cyclotron resonance with an energetic ion population.
Tunde Fülöp
exaly   +2 more sources

Ion cyclotron emission on the Tokamak Fusion Test Reactor

Review of Scientific Instruments, 1995
Preliminary observations of ion cyclotron emission (ICE) have been made in D-T plasmas on the Tokamak Fusion Test Reactor, using an array of seven rf probes located at the top and bottom of the torus. Fusion product line emission has been identified, and appears to originate at the low field equatorial plane, near the radius of the outboard limiter ...
Majeski R
exaly   +2 more sources

Ion cyclotron emission spectroscopy as an α‐particle monitor

Review of Scientific Instruments, 1988
Since 1981, we have proposed and investigated spectral analysis of the harmonics of ion cyclotron emission (ICE) as a means of monitoring the energy content of α particles confined in a magnetic fusion device. A pair of crown probe antennas have been constructed for TFTR to collect ICE spectra and will be installed on that device in the near future ...
K. G. Moses, J. L. Sperling, J. C. Dooling, C. Chu   +3 more
exaly   +2 more sources

Upgrades to the ion cyclotron emission diagnostic on the DIII-D tokamak

Review of Scientific Instruments, 2021
The ion cyclotron emission diagnostic on the DIII-D tokamak comprises seven single-turn loops that measure high-frequency (1–100 MHz) magnetic field fluctuations that are often excited by energetic particles in the plasma. The raw voltage signals induced in the loops in response to these fluctuations travel through a series of cables, isolation ...
G. H. DeGrandchamp, K. E. Thome, W. W. Heidbrink, I. Holmes, R. I. Pinsker   +4 more
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Electron Cyclotron Emission Imaging of Electron Cyclotron Resonance Ion Source Plasmas

2022
A new imaging system for Electron Cyclotron Resonance Ion Sources (ECRIS) has been designed and is being built. This K- and Ka-band camera will extract localized measurements of absolute energy and relative number density for ECRIS plasma electrons by imaging their Electron Cyclotron Emission (ECE) spectra, as the frequency, shape, and strength of the ...
Henderson, Lawrence, Clark, Henry, Gagliardi, Carl, May, Donald   +3 more
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On ion cyclotron emission in toroidal plasmas

Nuclear Fusion, 2006
A detailed study of ion cyclotron interactions in a toroidal plasma has been carried out in order to elucidate the role of toroidal effects on ion cyclotron emission. It is well known that non-relaxed distribution functions can give rise to excitation of magnetosonic waves by ion cyclotron interactions when the distribution function increases with ...
T Hellsten, K Holmström, T Johnson, T Bergkvist, M Laxåback   +4 more
openaire   +1 more source