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ADS核数据实验测量装置建设及首次测试实验

Development and the First Test Experiment of Experimental Setup for Measuring of ADS Nuclear Data

    摘要
  • 摘要: 介绍了基于我国大科学实验装置兰州重离子加速器冷却储存环(HIRFL-CSR)的加速器驱动的次临界系统(ADS)相关核数据实验测量装置建设及首次测试实验。该实验装置探测系统主要包括束流拾取探测器、轻带电粒子谱仪、γ探测器阵列及中子飞行时间谱仪。为了对该实验装置各探测器及相配套的电子学与数据获取系统进行整体性能测试，利用400 MeV/u 16O轰击Pb靶，对出射的中子、γ射线及轻带电粒子等产物的能谱、产额及角分布等物理量进行测量，在国内首次实现了加速器驱动的几MeV至几百MeV宽能量范围的白光中子能谱测量。实验结果表明，该实验装置运行正常，实验方案可靠、正确。

     

    Abstract: The development and the first test experiment of experimental setup for measuring of the ADS nuclear data, which was based on Cooling Storage Ring of Heavy Ion Research Facility in Lanzhou (HIRFL-CSR) were introduced. The detection system of this experimental setup was mainly composed of beam pick-up detector, gamma detector array, light charged particle spectrometer, and neutron time of flight spectrometer. The first beam test experiment for the whole system of the experimental setup including detection system and data acquisition system was done by using the measurement of emission neutron, gamma and charged particle identification, energy spectrum, yield and angular distribution for 400 MeV/u 16O bombardment on Pb target. At present, the experimental measurement of accelerator driven white neutron energy spectrum in the range of several MeV to hundreds of MeV was done for the first time in China. The experimental results show that the experimental apparatus works well, and the experimental technique is reliable and correct.

     

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