Magnetic-dipole wavelength measurements in the<i>n=3</i>configurations of highly ionized Cu, Zn, Ga, As, Kr, and Y

Roberts, J. R.; Pittman, T. L.; Sugar, Jack; Kaufman, Victor; Rowan, W. L.

doi:10.1103/physreva.35.2591

Cited by 23 publications

(20 citation statements)

References 10 publications

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“…The magnetic dipole transition 3p 5 2 P°3 /2 -2 P°1 /2 at 2456.4± 0.3 Å was tentatively identified by Roberts et al 54 in a tokamak plasma. The value for the interval implied by this identification was adopted for determining the level values given in Table 18.…”

Section: Ga XVmentioning

confidence: 62%

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Spectral Data for Gallium: Ga I through Ga XXXI

Shirai¹,

Reader²,

Kramida³

et al. 2007

Journal of Physical and Chemical Reference Data

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The energy levels and spectral lines of gallium atom in all stages of ionization have been compiled. Experimental data on spectral lines and energy levels exist for spectra Ga I through Ga VII, Ga XIII through Ga XXVI, and Ga XXX. For Li-like Ga XXIX through H-like Ga XXXI, theoretical data on energy levels and line wavelengths are compiled. For Ga I, Ga II, and Ga III we include radiative probabilities of electric-dipole transitions where available. For Ga XV through Ga XX, Ga XXIII through Ga XXVI, and Ga XXX, radiative probabilities of magnetic-dipole and electric-quadrupole transitions are included. The ground state configuration and term and a value of ionization energy are included for each ion.

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Section: Ga XVmentioning

confidence: 62%

“…The magnetic dipole transition, 3p 2 3 P 1 -1 D 2 , was tentatively identified at 1503.7 Å by Roberts et al 54 in a tokamak plasma. Sugar et al, 66 however, obtained a fitted value of 1500.0± 0.4 Å from an interpolation of the difference between observed and calculated values for M1 lines along the isoelectronic sequence Fe 12+ through Mo 28+ .…”

Section: Ev͒mentioning

confidence: 88%

Spectral Data for Gallium: Ga I through Ga XXXI

Shirai¹,

Reader²,

Kramida³

et al. 2007

Journal of Physical and Chemical Reference Data

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“…As can be seen, many lines are present, particularly in the range 3500-5000 Å. Of particular note are two previously identified metastable Kr lines, 3464 Å Kr XXII 10 and 3840 Å Kr XXIII, 11 as well as He II lines at 3203 and 4685 Å, M-shell transitions, and 4542, 4860, 5412, and 6561 Å, N-shell transitions. Helium is normally found in EBIT as a background gas due to the inherent difficulty of pumping it out.…”

Section: A Optical Spectroscopy Of Krypton and Argonmentioning

confidence: 68%

Implementation of a normal incidence spectrometer on an electron beam ion trap

Utter

Beiersdörfer

López‐Urrutia

et al. 1999

Review of Scientific Instruments

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“…Forbidden lines from many elements have now been identified on tokamaks [33,34] and in EBIT [35]. The visible/UV region has the advantage that mirrors and (or) fiber optics can be conveniently used to collect the emission.…”

Section: Atomic Data On Tungstenmentioning

confidence: 98%

Applications of EBIT to magnetic fusion diagnostics

Skinner¹

2008

Can. J. Phys.

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Fusion-energy development has reached an exciting stage with the agreement by seven nations, representing over half the world population, to build the International Thermonuclear Experimental Reactor (ITER) and demonstrate the scientific and technological feasibility of magnetic fusion. High-Z materials such as tungsten are used in plasmafacing components, and contamination of the plasma by sputtered impurities must be controlled to limit radiation losses. Spectroscopic diagnostics will be used to monitor impurity influx and EBIT has played a key role in generating the atomic data necessary to interpret the spectroscopic observations. In this paper, we focus on the key contributions that EBIT devices are uniquely positioned to make in the spectroscopic diagnostics of next-step burning plasmas such as ITER and list specific areas where new data are needed.Résumé : Le développement de l'énergie par fusion contrôlée a atteint une étape intéressante avec l'entente de sept pays, représentant plus de la moitié de la population du monde, afin de construire le Réacteur Thermonucléaire International Expérimental (ITER) et démontrer la science et la faisabilité de la fusion à confinement magnétique. Des matériaux de Z élevé comme le tungstène sont utilisés dans les composantes en contact avec le plasma et nous devrons contrôler la contamination du plasma par pulvérisation pour limiter les pertes par radiation. Des diagnostiques spectroscopiques seront utilisés pour surveiller le flot d'impuretés et la technique EBIT a joué un rôle clé pour obtenir les données nécessaires à l'interprétation des observations spectroscopiques. Dans ce papier, nous nous concentrons sur les contributions clés pour lesquelles l'instrument EBIT occupe une place unique pour faire les diagnostiques spectroscopiques de la prochaine phase de fusion de plasma, tel ITER, et nous présentons une liste des domaines spécifiques où les données nouvelles seront requises.[Traduit par la Rédaction]

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Magnetic-dipole wavelength measurements in then=3configurations of highly ionized Cu, Zn, Ga, As, Kr, and Y

Cited by 23 publications

References 10 publications

Spectral Data for Gallium: Ga I through Ga XXXI

Spectral Data for Gallium: Ga I through Ga XXXI

Implementation of a normal incidence spectrometer on an electron beam ion trap

Applications of EBIT to magnetic fusion diagnostics

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