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With the current focus on the characteristics and effective operation of divertor configurations in fusion plasma research, reassessment of the atomic data base available for divertor modelling and diagnosis is taking place. The quest for ideal materials for divertor targets and impurities which can be used to promote optimum working conditions has exposed some gaps in the database. Equally, for the finer spectroscopic diagnostic and modelling tools now being promoted, existing data may be organized inappropriately or may be at unsuitable precisions. In the present paper, some examples, which emphasize electron collisions with neutrals, are used to demonstrate these points. A case study is presented, based on experience at the Joint European Torus (JET) Joint Undertaking, of tailoring atomic data and its manipulation for experiment support.

Additional information

Authors: SUMMERS H P ET AL, University of Strathclyde, Department of Physics and Applied Physics, Glasgow (GB);BLIEK F ET AL, KVI, Atomic Physics, Groningen (NL);BRIX M, Forschungszentrum Jülich GmbH, Institut für Plasmaphysik (DE);GRIFFIN D C, Rollins College, Department of Physics, Winter Park (US);HORTON L D ET AL, JET Joint Undertaking, Abingdon, Oxon (GB);PINDZOLA M Z, Auburn University, Department of Physics (US)
Bibliographic Reference: Report: JET-P(97)50 EN (1997) 25pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon, OX14 3EA (GB)
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