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The crystal structure of gillulyite, Tl2(As,Sb)8S13 from the Mercur gold deposit, Tooele County, Utah, U.S.A.
Gillulyite, TI2(AsH ,SbH )8S13,is monoclinic with space group P2/n and a = 9.584(3), b = 5.679(2), c = 21.501(6) A, ~ = 100.07(2)°, V = 1152.2(7) A3, and Z = 2, The average structure was determinedExpand
Full wave simulations of fast wave heating losses in the scrape-off layer of NSTX and NSTX-U
Full wave simulations of fusion plasmas show a direct correlation between the location of the fast-wave cut-off, radiofrequency (RF) field amplitude in the scrape-off layer (SOL) and the RF powerExpand
Alpha particle losses from Tokamak Fusion Test Reactor deuterium–tritium plasmas
Because alpha particle losses can have a significant influence on tokamak reactor viability, the loss of deuterium–tritium alpha particles from the Tokamak Fusion Test Reactor (TFTR) [K. M. McGuireExpand
Exploration of high harmonic fast wave heating on the National Spherical Torus Experiment
High harmonic fast wave (HHFW) heating has been proposed as a particularly attractive means for plasma heating and current drive in the high beta plasmas that are achievable in spherical torus (ST)Expand
Parametric Decay during HHFW on NSTX
High Harmonic Fast Wave (HHFW) heating experiments on NSTX have been observed to be accompanied by significant edge ion heating (T{sub i} >> T{sub e}). This heating is found to be anisotropic withExpand
HHFW Heating Efficiency on NSTX versus BΦ and Antenna k
HHFW RF power delivered to the core plasma of NSTX is strongly reduced as the launched wavelength is increased—for BΦ = 4.5 kG, heating is ∼1/2 as effective at kφ = −7 m−1 as at 14 m−1 and ∼1/10 asExpand
Electron Energy Confinement for HHFW Heating and Current Drive Phasing on NSTX
Thomson scattering laser pulses are synchronized relative to modulated HHFW power to permit evaluation of the electron energy confinement time during and following HHFW pulses for both heating andExpand
High-Harmonic Fast-Wave heating in NSTX
High-Harmonic Fast-Wave (HHFW), a radio-frequency technique scenario applicable to high-beta plasmas, has been selected as one of the main auxiliary heating systems on NSTX. The HHFW antenna assemblyExpand
Fast wave heating in the NSTX-Upgrade device
NSTX-Upgrade will operate with toroidal magnetic fields (BT) up to 1 T, nearly twice the value used in the experiments on NSTX, and the available NBI power will be doubled. The doubling of BT whileExpand
HHFW Heating and Current Drive Progress on NSTX