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Measurement of the Internal Magnetic Field of Plasmas using an Alpha Particle Source [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2004.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
1.1 MB pages : digital, PDF file
Additional Creators
United States. Department of Energy. Office of Science and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The internal magnetic fields of plasmas can be measured under certain conditions from the integrated v x B deflection of MeV alpha particles emitted by a small radioactive source. This alpha source and large-area alpha particle detector would be located inside the vacuum vessel but outside the plasma. Alphas with a typical energy of 5.5 MeV (241Am) can reach the center of almost all laboratory plasmas and magnetic fusion devices, so this method can potentially determine the q(r) profile of tokamaks or STs. Orbit calculations, background evaluations, and conceptual designs for such a vxB (or ''AVB'') detector are described.
Report Numbers
E 1.99:pppl-3958
pppl-3958
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
05/13/2004.
"pppl-3958"
P.W. Ross; G. Renda; D.S. Darrow; S.J. Zweben; J.L. Lowrance.
Princeton Plasma Physics Lab., Princeton, NJ (US)
Type of Report and Period Covered Note
Topical;
Funding Information
AC02-76CH03073
View MARC record | catkey: 14739477