Neutron fluctuation measurements on TFTR
Open Access
- 1 August 1986
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 57 (8) , 1769-1770
- https://doi.org/10.1063/1.1139176
Abstract
Measurements of fluctuations in the neutron yield are made on the tokamak fusion test reactor (TFTR) with plastic scintillators. Light from the scintillators is coupled through acrylic rods or fiber-optic cables to photomultipliers operated in current mode. Discrimination against hard x rays is accomplished through comparison with the signal from a ZnS(6Li) scintillator. These measurements are useful in studies of deuterium pellet deposition, of the acceleration of beam ions during major radial compression, and of MHD instabilities. Techniques for measuring the neutral beam density profile and Qequivdt using neutron fluctuation measurements during pellet injection also have been proposed.Keywords
This publication has 4 references indexed in Scilit:
- Acceleration of Beam Ions during Major-Radius Compression in the Tokamak Fusion Test ReactorPhysical Review Letters, 1985
- Studies of energetic ion confinement during fishbone events in PDXNuclear Fusion, 1985
- Transient Attenuation In Optical FibersPublished by SPIE-Intl Soc Optical Eng ,1984
- Fusion neutron production during deuterium neutral-beam injection into the PLT tokamakNuclear Fusion, 1981