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Study of Electron Capture in the N5+-He, H2 Collisions by UV Spectroscopy

Published online by Cambridge University Press:  12 April 2016

M. Druetta  and
P.H. Cotte
M. Druetta
Affiliation:
Laboratoire de Spectrométrie Ionique et Moléculaire/AGRIPPA, Université Lyon I 69622 Villeurbanne, France
P.H. Cotte
Affiliation:
Laboratoire de Spectrométrie Ionique et Moléculaire/AGRIPPA, Université Lyon I 69622 Villeurbanne, France

Extract

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The physics of multicharged ions has considerably developped during the last few years. Aside from its fundamental interest and its motivation for fusion research with Tokamak devices where charge exchange involving highly charged impurities are important, this new effort in this direction is due to the development of new sources of highly charged ions.

We report results concerning spectroscopic study of radiative transitions observed during the collision between multicharged N5+ ions with a helium or molecular hydrogen target. Nx+ ions are produced with the E.C.R. ion source in Grenoble (Geller and Jacquot 1981). The N5+ ions are then selected with two 168° bending magnets and finally sent into the target chamber where they collide either with He or H2 gas. Spectra are observed with a grazing incidence (82°) spectrometer equipped with photon detection.

Type
Session 5. Experimental Atomic Physics
Information
International Astronomical Union Colloquium , Volume 86: Eighth International Colloquium on Ultraviolet and X-ray Spectroscopy of Astrophysical and Laboratory Plasmas , 1984 , pp. 132 - 135
Copyright
Copyright © Naval Research Laboratory 1984. Publication courtesy of the Naval Research Laboratory, Washington, DC.

References

Geller, R. and Jacquot, B., Nucl. Instrum. Methods, 184, 293, 1981 CrossRefGoogle Scholar
Crandall, D.H., Mallory, M.L. and Kocher, D.C., Phys. Rev. A, 15, 61, 1977.CrossRefGoogle Scholar