Actions for Development of a positronium atom diagnostic beam to study transport in tokamaks. Final technical report, September 15, 1989--December 31, 1992 [electronic resource].

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Development of a positronium atom diagnostic beam to study transport in tokamaks. Final technical report, September 15, 1989--December 31, 1992 [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1992.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
6 pages : digital, PDF file
Additional Creators
University of California, San Diego. Department of Physics, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Anomalous transport is probably the key physics issue in magnetic confinement fusion. It severely limits our ability to create and maintain a dense, hot, fusion plasma. There is also good evidence that there is a fundamental lack of understanding in this area, namely the transport of particles and energy induced by waves and fluctuations in magnetically confined plasmas. The positronium atom beam diagnostic, if successful, can provide a qualitatively new and different way of studying transport in tokamak fusion plasmas. The use of the positron as a thermalized, electron-mass test particle will allow important new tests of current theories of plasma transport. In particular, it could provide unique insights into the potential role of magnetic fluctuations in producing anomalous transport. This is particularly significant in that, at present, there is essentially no in situ probe of these fluctuations or the transport which they produce. Some results of this study are summarized.
Report Numbers
E 1.99:doe/er/53294--t1
doe/er/53294--t1
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/31/1992.
"doe/er/53294--t1"
"DE93010916"
Surko, C.M.
Type of Report and Period Covered Note
Final; 01/01/1989 - 12/31/1992
Funding Information
FG03-89ER53294
View MARC record | catkey: 14744868