Iso-nuclear tungsten dielectronic recombination rates for use in magnetically-confined fusion plasmas

Kwon, D.-H. and Lee, W. and Preval, S. and Ballance, C.P. and Behar, E. and Colgan, J. and Fontes, C. J. and Nakano, T. and Li, B. and Ding, X. and Dong, C.Z. and Fu, Y.B. and Badnell, Nigel and O'Mullane, M. and Chung, H.-K. and Braams, B.J. (2018) Iso-nuclear tungsten dielectronic recombination rates for use in magnetically-confined fusion plasmas. Atomic Data and Nuclear Data Tables, 119. pp. 250-262. ISSN 0092-640X

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    Abstract

    Under the auspices of the IAEA Atomic and Molecular Data Center and the Korean Atomic Energy Research Institute, our assembled group of authors has reviewed the current state of dielectronic recombination (DR) rate coefficients for various ion stages of tungsten (W). Subsequent recommendations were based upon available experimental data, first-principle calculations carried out in support of this paper and from available recombination data within existing atomic databases. If a recommendation was possible, data were compiled, evaluated and fitted to a functional form with associated uncertainty information retained, where available. This paper also considers the variation of the W fractional abundance due to the underlying atomic data when employing different data sets.