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Experimental data for electron impact excitation of neutral helium in its ground state are reviewed critically. A preferred data set is established and combined with theoretical close coupling approximation data below the ionisation threshold and Born approximation data at high energy. Results are presented in tables and graphs. Maxwell averaged collision strengths are also tolerated.

Additional information

Authors: DE HEER F J, FOM Institute for Atomic and Molecular Physics, Amsterdam (NL);HOEKSTRA R, K.V.I., Groningen (NL);KINGSTON A E, The Queen's University, Department of Applied Mathematics, Belfast (GB);SUMMERS H P, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(92)09 (1992) 29 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199210758 / Last updated on: 1994-12-02
Original language: en
Available languages: en