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北美退伍军人节(Veterans Day),12 日无更新
arXiv 1403.5992physics.ins-det
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小型高通量MeV Gamma-Ray光束谱仪的设计

Design of a Compact Spectrometer for High-Flux MeV Gamma-Ray Beams

D. J. Corvan, G. Sarri, M. Zepf

摘要:

介绍了一种新型的小型γ能谱仪的设计。所提出的系统允许在一个紧凑的设计与MeV的能量分辨率的高通量多MeV的伽马射线束的光谱。在其基本配置中,光谱仪通过低Z材料中的康普顿散射将伽马射线转化为电子。然后使用磁谱仪对散射的电子总数进行光谱解析。该探测器被证明是有效的γ射线能量在3和20 MeV之间。通过蒙特卡罗模拟证实了谱仪的主要性能。

英文摘要:

A novel design for a compact gamma-ray spectrometer is presented. The proposed system allows for spectroscopy of high-flux multi-MeV gamma-ray beams with MeV energy resolution in a compact design. In its basic configuration, the spectrometer exploits conversion of gamma-rays into electrons via Compton scattering in a low-Z material. The scattered electron population is then spectrally resolved using a magnetic spectrometer. The detector is shown to be effective for gamma-ray energies between 3 and 20MeV. The main properties of the spectrometer are confirmed by Monte-Carlo simulations.

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