High-density discharges in the Alcator tokamak
Journal Article
·
· Phys. Rev. Lett.; (United States)
Peak plasma densities in excess of 10/sup 15/ cm/sup -3/ have been obtained in the Alcator tokamak with 60 < or = B/sub T/ < 85 kG. The highest average density so far achieved is n-bar/sub e/ = 6 x 10/sup 14/ cm/sup -3/; the corresponding n/sub 0/tau/sub E/ = 2 x 10/sup 13/ cm/sup -3/ s. These ultrahigh-density discharges exhibit (i) nearly complete energy equilibration between electrons and ions, (ii) severe attenuation of energetic--neutral-particle fluxes ,(iii) a minor role of impurities, and (iv) energy-confinement properties consistent with neoclassical estimates.
- Research Organization:
- Francis Bitter National Magnet Laboratory and Plasma Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
- OSTI ID:
- 5367092
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 39:20; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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