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Abstract

A neutron time-of-flight spectrometer with 2 m flight path for diagnostics of deuterium plasma in JET is presently under construction. An upgrade of this spectrometer to make it appropriate for 14 MeV neutron spectroscopy is presented here. It is suggested to use backscattering in a deuterium based scintillator. The flight path is 1-2 m and the efficiency is of the order of 2.10**-5 cm**-2. Results from test of principle are presented with estimates for neutron and gamma backgrounds.

Additional information

Authors: ELEVANT T ROYAL INSTITUTE OF TECHNOLOGY, STOCKHOLM (SWEDEN), ROYAL INSTITUTE OF TECHNOLOGY, STOCKHOLM (SWEDEN)
Bibliographic Reference: WRITE TO THE DEPARTMENT OF PLASMA PHYSICS AND FUSION RESEARCH, ROYAL INSTITUTE OF TECHNOLOGY, S-100 44 STOCKHOLM 70 (SWEDEN), MENTIONING REPORT TRITA-PFU-84-13, 1984
Record Number: 1989123045300 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en