ITER relevant developments in neutron diagnostics during the JET Trace Tritium campaign
作者： L. Bertalot , J.M. Adams , M. Angelone , S. Conroy , B. Esposito
DOI: 10.1016/J.FUSENGDES.2005.06.213
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摘要: During the JET Trace Tritium campaign a few new neutron diagnostic systems were deployed under different plasma scenarios to provide information on total emission and its spatial energy distribution. The 14MeV yield was measured with chemical vapour deposited (CVD) diamond detector. Comparison monitors (Si diodes) illustrates good performance of CVD device. Key tritium transport behaviour fast particles in obtained from spatially temporally measurements upgraded profile cameras which also an independent measure yield. Spatial asymmetries observed is evidence for influence plasma. With regard distribution emission, spectrometer based liquid organic scintillator n-γ pulse shape discrimination (PSD) features installed. results demonstrate that such system can operate real fusion experiments as compact broadband (1.5 MeV < E n <20MeV) high resolution. A transient recorder has been successfully applied digital (DPSD) gamma events acquired at count rate operation (MHz range). experience gained indicates these measurement are suitable large devices JET-EP ITER where diagnostics will play increasingly important role.
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