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Abstract

Spectra of highly ionised Ni, Ge, Kr and Mo obtained from the JET tokamak have been studied. In total 20 new lines have been classified as n = 2, Delta-n = 0 transitions in B-like and F-like ions. Among the identified lines are M1 transitions within the 2s(2)2p(5) (2)P ground term of F-like Zr and Mo and within the 2s(2)2p (2)P ground term of B-like Mo. Furthermore, for B-like Ni, Kr and Mo, the 2s2p(2) (4)P(1/2) and (4)P(5/2) levels, which decay by spin-forbidden transitions, have been found. From the observed wavelengths, 20 new energy levels were determined. The experiments have been complemented with multiconfiguration Dirac-Fock (MCDF) calculations and semiempirical analyses of transition energies in the B I and F I isoelectronic sequences.

Additional information

Authors: MYRNÄS R, JET Joint Undertaking, Abingdon, Oxon. (GB);JUPÉN C, JET Joint Undertaking, Abingdon, Oxon. (GB);MIECZNIK G, JET Joint Undertaking, Abingdon, Oxon. (GB);MARTINSON I, JET Joint Undertaking, Abingdon, Oxon. (GB);DENNE-HINNOV B, University of Lund, Department of Physics (SE);MYRNAS R, JET Joint Undertaking, Abingdon, Oxon. (GB);JUPEN C, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(93)72 EN (1993)
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199311633 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en