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X-ray line spectra from highly charged impurity ions have been taken with a high-resolution Bragg-crystal spectrometer on the Tore Supra tokamak. By cross-checking the wavelengths of reference lines from the helium-like ions Ti20+ (2.6 angstroms) and Ar16+ (3.95 angstroms) it is initially demonstrated that it is possible to measure wavelengths with a precision, lambda/delta lambda, of better than 50 000. The wavelengths of n=3 to n=2 transitions of neon-like Ag37+ in the 4 angstroms spectral range are then determined.

Additional information

Authors: PLATZ P, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);CORNILLE M, UPR 176 CNRS, DARC, Observatoire des Paris, Meudon (FR);DUBAU J, UPR 176 CNRS, DARC, Observatoire des Paris, Meudon (FR)
Bibliographic Reference: Report: EUR-CEA-FC-1567 EN (1995) 9pp.
Availability: Available from Association Euratom-CEA, CEN Cadarache, 13108 Saint-Paul-lez-Durance (FR)
Record Number: 199610255 / Last updated on: 1996-03-18
Original language: en
Available languages: en
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