EFDA-JET-CP(07)04/01

The TOFOR Neutron Spectrometer for High-Performance Measurements of D Plasma Fuel Ion Properties

M. Gatu Johnson, L.Giacomelli, A. Hjalmarsson, M. Weiszflog, E. Andersson Sundén, S. Conroy, G.Ericsson, C. Hellesen, J. Källne, E. Ronchi, H. Sjöstr, G. Gorini, M. Tardocchi, JET EFDA contributors

The impact of scattered neutrons on the total flux reaching the TOFOR spectrometer at JET has been studied to allow for improvement of the data analysis. The scattered neutrons are demonstrated to contribute significantly to the flux. This will have implications for any neutron diagnostic on ITER.

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