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In this paper X-ray line spectra from highly charged impurity ions have been taken with a high-resolution Bragg-crystal spectrometer on the Tore Supra (TS) tokamak. By cross-checking the wavelengths of reference lines from the helium-like ions Ti(20+) (2.6 Angstrom) and Ar(16+) (3.95 Angstrom) it is first possible to measure wavelengths with a precision, lambda/delta lambda, of better than 50 000. Then the wavelengths were determined of n = 3 to n = 2 transitions of neon-like Ag(37+) in the 4 Angstrom spectral range.

Additional information

Authors: PLATZ P, CEA, CEN Cadarache, St-Paul-lez-Durance (FR);CORNILLE M, UPR 176 CNRS, DARC, Observatoire de Paris, Meudon (FR);DUBAU J, UPR 176 CNRS, DARC, Observatoire de Paris, Meudon (FR)
Bibliographic Reference: Article: Journal of Physics B : Atomic, Molecular and Optical Physics, Vol. 29 (1996) pp. 3787-3797
Record Number: 199611254 / Last updated on: 1996-10-29
Original language: en
Available languages: en