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@TECHREPORT{Greenland:860876,
author = {Greenland, P. T. and Reiter, Detlev},
title = {{T}he r$\hat{o}$le of molecular hydrogen in plasma
recombination},
volume = {3258},
number = {Juel-3258},
address = {Jülich},
publisher = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
reportid = {FZJ-2019-01528, Juel-3258},
series = {Berichte des Forschungszentrums Jülich},
pages = {46 p.},
year = {1996},
abstract = {We consider the effect of the presence of molecular
hydrogen on plasma recombination at temperatures of a few
electron volts. The r$\hat{o}$le of 2-body processes such as
ion conversion and dissociative attachment in accelerating
the recombination is exposed, both in a simplified model,
which can be solved analytically, and in more realistic
numerical calculations. All the important atomic and
molecular processes are included in a set of non-linear rate
equations, from which we identify the important parameters
of the model and thereby show which cross sections are
critical. Although we do not include transport explicitly we
are able to extend the model to mimic recycling at the
plasma edge. This enables us to demonstrate the importance
of the contribution of H$_{2}$ to recombination. Our model
is primitive, but it enables us to identify processes which
are important in modelling H$_{2}$-plasma interactions, and
which will therefore have to be treated in more complex
plasma codes. We find that some of the ideas basic to atomic
modelling of plasmas may have to be revised if molecular
processes are important in the plasma dynamics. In
particular, the non-linearities we discuss lead to
instabilities, which allow the co-existence of several
solutions for the same physical parameters.},
cin = {PRE-2000},
cid = {I:(DE-Juel1)PRE2000-20140101},
pnm = {899 - ohne Topic (POF3-899)},
pid = {G:(DE-HGF)POF3-899},
typ = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29},
url = {https://juser.fz-juelich.de/record/860876},
}