Ion cyclotron resonance heating
Observations and modelling of ion cyclotron emission observed in JET plasmas using a sub harmonic arc detection system during ion cyclotron resonance heating
... the ion cyclotron range of frequencies, usually referred to as ion cyclotron emission (ICE), is a frequently-observed property of tokamak plasmas containing suprathermal ion populations ...
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On ion-cyclotron-resonance heating of the corona and solar wind
... the heating of the solar ...the ion thermal energy source in a two-fluid solar wind ...the heating and acceleration of the major solar wind ions, protons and alpha particles, after the multiple ...
12
Generation of Supersonic and Super-Alfvénic Flow Using ICRF Heating and a Magnetic Nozzle
... both ion cyclotron resonance heating and acceleration of ions in a magnetic nozzle for the first time ...Strong ion heating was ob- served and the conversion of thermal energy to ...
5
Advanced electron cyclotron heating and current drive experiments on the stellarator Wendelstein 7-X
... After 3 days of W7-X operation, the glow discharge system was operated with helium for periods of 20 min - 40 min in advance of each experiment day. Fig. 7 shows the value of the neutral pressure peak after a helium ...
6
Fast particle driven ion cyclotron emission (ICE) in tokamak plasmas and the case for an ICE diagnostic in ITER
... the ion cyclotron frequency range (ion cyclotron emission or ICE) could provide a passive, non-invasive diagnostic of confined and escaping fast particles (fusion α-particles and beam ions) in ...
7
Advanced applications of high performance Fourier transform ion cyclotron resonance mass spectrometry
... ‘slow heating’ dissociation methods and electron-based dissociation methods is the time-scale of ion activation and whether odd-electron fragmentation is ...‘slow heating’ methods, ions are normally ...
301
Numerical Studies of Ponderomotive Acceleration and Ion Cyclotron Resonance: Application to Next Generation Electric Thrusters
... In this paper, we discuss the ion acceleration due to the PA combined with the ICR mechanism. We have investi- gated whether or not the PA/ICR acceleration scheme can configure an efficient electric thruster ...
14
Advanced electronics for fourier transform ion cyclotron resonance mass spectrometry
... most ion guiding/trapping ...typical ion guide system with capacitance in the 100 pF range, the threshold is generally less than 50 ...of heating in the tubes, L tank , and other internal ...
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Numerical Modeling of Electrodeless Electric Thruster by Ion Cyclotron Resonance/Ponderomotive Acceleration
... the ion cy- clotron resonance/ponderomotive acceleration (ICR/PA), by utilizing test particle simulations ...perpendicular ion heating, followed by an energy conversion from the perpendicular ...
7
Physics of Heliotron J Confinement
... electron cyclotron resonance (ECR)/neutral beam injection (NBI)/ion cyclotron range of frequencies (ICRF) heating plasmas have been made for understanding global energy confinement in ...
6
Dissociative charge transfer of organic molecules induced by collisions with the He+ cation. A joint experimental and theoretical study of relevance for the interstellar medium evolution
... on ion-neutral reactions were carried out using ion cyclotron resonance (ICR) or flowing afterglow (FA) ...of ion-neutral reactions with this method was limited to room temperature ...
184
Studies relating to cyclotron emission from semiconductors
... Inhomogeneous broadening may come partly from Stark effects i.e. from changes in the energies of the conduction band electrons as they pass through the stray electric fields of the ionised impurities. Nonparabolicity ...
188
2D FT ICR MS of Calmodulin : a top down and bottom up approach
... Figure 3 shows the top-down two-dimensional spectrum of Calmodulin (3.a), with the extraction of the autocorrelation line (3.b), a precursor ion (vertical) scan (3.c), and a fragment ion (horizontal) scan ...
22
I. Studies of Collision Broadening of Ion Cyclotron Resonance Lineshapes. II. Studies of the Gas Phase Ion Chemistry of Fluoroethanes
... The values of the fluoride affinities and hydride affinities which are implied by the present results are summarized i n Table V o. The values were calculated using the data [r] ...
218
Amyloid hydrogen bonding polymorphism evaluated by15N{17O}REAPDOR solid state NMR and ultra high resolution fourier transform ion cyclotron resonance mass spectrometry
... To further explore this interpretation, we also present data for an additional sample of amyloid fi brils of [ 15 N, 17 O]-A β 16−22 using the same batch of the synthesized and puri fi ed peptide, but following a modi fi ed ...
5
Design and Research of Electron Cyclotron Resonance Heating and Current Dive System on HL-2M Tokamak
... All of the 1MW eight gyrotrons for HL-2M ECRH system are GYCOM gyrotrons. In order to commissioning the gyrotron flexibly, an independent test bed has been build last year in the RF heating hall, shown in Fig. 2. ...
5
Progress of ECRH by EBW in over-dense plasmas and controlling the confinement regime by ECCD with high power launching in LHD
... In helical systems, e-ITB formation has been explained in association with the transition of the radial electric field from negative (ion root) to positive (electron root) and has been induced by centrally focused ...
7
Formation of Mercury(II) Glutathione Conjugates Examined Using High Mass Accuracy Mass Spectrometry
... To validate that chlorine was indeed present in this species, we conducted MS/MS using CID. The entire isotopic cluster centered about m/z 544 was mass-se- lected in the source quadrupole of the SolariX FT-ICR and ...
5
Egg laying hormone peptides in the aplysiidae family
... MALDI mass spectra were obtained using a Voyager Elite and a Voyager DE STR (PE Biosystems, Framingham, MA, USA) time-of-flight mass spectrometer equipped with delayed ion extraction. A pulsed nitrogen laser (337 ...
13
High mass accuracy analytical applications of Fourier transform ion cyclotron resonance mass spectrometry
... The identification of anticancer drug binding sites on proteins is essential for understanding the mode of action of these drugs, as well as investigating potential side effects these compounds may cause. The use of high ...
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