DT Neutron Measurements and Experience on TFTR
Through semi-independent absolute calibrations of multiply redundant neutron detector systems, the Tokamak Fusion Test Reactor (TFTR) has achieved ±7%(one-sigma) accuracy in its fusion power measurements.This has required careful attention to the linearity of detectors up to the present highest fusion power levels achieved on TFTR of over 10 MW. The extended duration of the DT program on TFTR has also tested the stability of the detector systems. These issues of calibration, linearity, and stability will be reviewed for the TFTR experience and how it can be applied to plans for ITER.
KeywordsNeutron Yield Source Strength Neutron Detector Absolute Calibration Fusion Power
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