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gem探测器
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  gem detector
     The Discussion on Time Projection Chamber(TPC)Based upon GEM Detector
     基于GEM探测器的时间投影室TPC的讨论
短句来源
     As a new kind of micro-pattern gas detector,GEM detector has many advantages.
     作为一种新型微单元结构气体探测器,GEM探测器具有许多优势,其中之一就是其读出方式灵活多样。
短句来源
  “gem探测器”译为未确定词的双语例句
     The results show that the effective gain of the GEM gas detector is up to 10 4, and the detector has a good stability properties comparing with the MWPC under the X-ray rate of 10 5 Hz·mm -2.
     实验结果显示 :在入射X射线通量为 10 5Hz mm2 时 ,双层GEM探测器的有效增益达到 10 4以上 ,并且具有长时间稳定性 .
短句来源
     A GEM with an effective area of 20mm×20mm was assembled based on GEM composite grid fabricated by thermal evaporation and laser mask perforating method.
     采用真空热蒸发法在50μm的聚酰亚胺薄膜上蒸镀5μm~8μm的铜层,并用激光掩模打孔法在其上制备了孔径80μm、孔间距285μm的GEM复合薄膜,成功组装了20mm×20mm的GEM探测器
短句来源
     The pulse-height spectra of GEM for 5.9keV ~(55) Fe X-ray were tested and the effects of drift electric field,ΔGEM electric field and transfer electric field on counts of GEM were studied.
     对GEM探测器在55Fe X射线(5.9keV)辐照下进行了脉冲幅度分布谱测试,讨论了漂移区电场、ΔGEM电场、收集区电场对探测器记数的影响。
短句来源
     Counting Properties of Gas Electrons Multiplier
     GEM探测器的计数性能研究
短句来源
     In this review, we describe the principle, recent achievements, developments and applications of GEM. 
     介绍了GEM探测器的原理、研究现状及发展应用。
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  相似匹配句对
     Experimental study of GEM gas detector
     GEM气体探测器实验研究
     Gain Performance of GEM Gas Detector
     GEM气体探测器的增益特性
短句来源
     Infra-red Detectors
     红外探测器
短句来源
     X-RAY DETECTOR USING A MICROCHANNEL PLATE
     微通道板X射线探测器
短句来源
     Grey Engel model
     灰色恩格尔模型(GEM)
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  gem detector
Total and differential cross sections for the reactions p + d → 3He + m0 with m=π, η and p + d → 3H+π+ were measured with the GEM detector at COSY for beam momenta between threshold and the maximum of the corresponding baryon resonance.
      


Gas Electrons Multiplier (GEM) as a novel gas detector, for it's simple structure, high performance, well compatibility etc., wildly used in highenergy physics, nuclear physics and other fields. In this review, we describe the principle, recent achievements, developments and applications of GEM.

气体电子倍增器(GEM)作为一种新型气体电离室探测器,具有结构简单、性能卓越、兼容性强等优点,广泛应用于高能物理、核物理等多个领域。介绍了GEM探测器的原理、研究现状及发展应用。

A kind of double-GEM gas detector which can be used for X-ray imaging and charged particle tracking detection, is studied. The effective gain and stability properties of the double-GEM gas detector are measured by high intensive X-ray source (Cu-target, 8.9keV). The results show that the effective gain of the GEM gas detector is up to 10 4, and the detector has a good stability properties comparing with the MWPC under the X-ray rate of 10 5 Hz·mm -2.

研制一种双层结构的GEM气体探测器用于X射线成像和带电粒子径迹测量 .使用铜靶X射线管产生的高能量X射线对其气体放大倍数 ,电荷传输效率 ,增益稳定性进行测试 .实验结果显示 :在入射X射线通量为 10 5Hz mm2 时 ,双层GEM探测器的有效增益达到 10 4以上 ,并且具有长时间稳定性 .

A GEM with an effective area of 20mm×20mm was assembled based on GEM composite grid fabricated by thermal evaporation and laser mask perforating method. The pulse-height spectra of GEM for 5.9keV ~(55) Fe X-ray were tested and the effects of drift electric field,ΔGEM electric field and transfer electric field on counts of GEM were studied. Results indicated that counts of peak first increase and then decrease with the change of the drift electric field from 10kV/cm to 19kV/cm, the maximum counts reach 9.7×10~4...

A GEM with an effective area of 20mm×20mm was assembled based on GEM composite grid fabricated by thermal evaporation and laser mask perforating method. The pulse-height spectra of GEM for 5.9keV ~(55) Fe X-ray were tested and the effects of drift electric field,ΔGEM electric field and transfer electric field on counts of GEM were studied. Results indicated that counts of peak first increase and then decrease with the change of the drift electric field from 10kV/cm to 19kV/cm, the maximum counts reach 9.7×10~4 at the field of 13kV/cm. Counts of X-ray peak increase with the increase of ΔGEM electric field and transfer electric field, and the maximum counts reach 1.2×10~4and 1.3×10~5,respectively.

采用真空热蒸发法在50μm的聚酰亚胺薄膜上蒸镀5μm~8μm的铜层,并用激光掩模打孔法在其上制备了孔径80μm、孔间距285μm的GEM复合薄膜,成功组装了20mm×20mm的GEM探测器。对GEM探测器在55Fe X射线(5.9keV)辐照下进行了脉冲幅度分布谱测试,讨论了漂移区电场、ΔGEM电场、收集区电场对探测器记数的影响。结果表明,随着漂移区电场的增加,计数先增加后减小,在13kV/cm时达到最大值9.7×104。随着ΔGEM电场的增加,记数呈指数增长,最大可达1.2×104。随着收集区电场的增加,计数增大并趋向饱和,最大可达1.3×105。

 
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