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Fusion Alpha Parameters in Tokamaks with High DT Fusion Rates

Author: R.V. Budny

Date of PPPL Report: February 2002
Date of Revised PPPL Report: August 2002

Published in: Nuclear Fusion 42 No. 12 (December 2002) 1383-1393

Fusion alpha parameters are calculated for Tokamaks with high DT [deuterium-tritium] fusion rates using the TRANSP plasma analysis code. Parameters include the fast alpha density, na, fast alpha pressure normalized to magnetic field energy, ba, and its normalized gradient, -R x grad (ba). The plasma conditions are taken from the plasmas in TFTR and JET with the highest DT fusion rates, and from examples proposed for IGNITOR, FIRE, and ITER-FEAT.