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Ultra lowq a discharge experiments in the SINP tokamak |
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| Authors: | A N Sekar Iyengar S K Majumdar J Basu R K Paul R Pal S Chowdhury |
| Institution: | (1) Saha Institute of Nuclear Physics, Sector I, Block - AF, 700 064 Bidhan Nagar, Calcutta, India |
| Abstract: | Operation of most tokamaks in limited byq a, the edge safety factor, which is usually about 2–3. In the SINP tokamak we have been able to obtain discharges withq a values as low as 0·8. In this paper we describe our results on the setting up processes and the MHD activity associated with these ultra lowq a discharges. |
| Keywords: | Edge safety factor ultra lowq a classical diffusion MHD relaxation q(r) profiles low Z impurities |
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