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ZHANG Xing (张兴), YUAN Xi (袁熙), XIE Xufei (谢旭飞), FAN Tieshuan (樊铁栓) ), CHEN Jinxiang (陈金象), LI Xiangqing(李湘庆). The Design and Optimization of a Neutron Time-of-Flight Spectrometer with Double Scintillators for Neutron Diagnostics on EAST[J]. Plasma Science and Technology, 2012, 14(7): 675-682. DOI: 10.1088/1009-0630/14/7/24
Citation: ZHANG Xing (张兴), YUAN Xi (袁熙), XIE Xufei (谢旭飞), FAN Tieshuan (樊铁栓) ), CHEN Jinxiang (陈金象), LI Xiangqing(李湘庆). The Design and Optimization of a Neutron Time-of-Flight Spectrometer with Double Scintillators for Neutron Diagnostics on EAST[J]. Plasma Science and Technology, 2012, 14(7): 675-682. DOI: 10.1088/1009-0630/14/7/24

The Design and Optimization of a Neutron Time-of-Flight Spectrometer with Double Scintillators for Neutron Diagnostics on EAST

Funds: Supported by the state Key Development program for Basic Research of China (Nos. 2008CB717803, 2009GB107001, and 2007CB209903), the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 200610011023) and the National Natural Science Foundation of China (No. 10875002)
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  • Received Date: May 16, 2011
  • Neutron energy spectrometry diagnosis plays an important role in magnetic confinement fusion. A new neutron time-of-flight spectrometer with double scintillators is designed and optimized for the EAST tokamak. A set of optimal parameters is obtained by Monte Carlo simulation, based on the GEANT4 and ROOT codes. The electronic setup of the measurement system is designed. The count rate capability is increased by introducing a flash ADC. The designed spectrometer with high resolution and efficiency is capable of being applied to fusion neutron diagnostics. Applications in mixed-energy and continuous energy neutron fields can also be considered.
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