| 全尺寸CMS RE1/2阻抗板探测器样器束流测试结果 |
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| 引用本文： | 应军,班勇,叶沿林,蔡建新,钱思进,王全进,刘洪涛.全尺寸CMS RE1/2阻抗板探测器样器束流测试结果[J].中国物理 C,2005,29(2):175-179. |
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| 作者姓名： | 应军 班勇 叶沿林 蔡建新 钱思进 王全进 刘洪涛 |
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| 作者单位： | 北京大学物理学院技术物理系 北京100871
(应军，班勇，叶沿林，蔡建新，钱思进，王全进)，北京大学物理学院技术物理系 北京100871(刘洪涛) |
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| 基金项目： | 国家自然科学基金(09910140934)资助~~ |
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| 摘 要： | 介绍了CMS RE1/2 全尺寸阻抗板探测器的束流测试结果.探测器气体室的阻抗板表面采用不需要淋油的特殊光洁处理,外支撑框架采用铝质蜂窝板,以保证足够的强度以及整个RPC所占空间尽量小.在GIF的束流测试结果表明该样品在高辐射本底下能够达到满探测效率.时间分辨率以及噪声水平都符合CMS实验的要求.
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| 关 键 词： | 阻抗板探测器 雪崩模式 束流测试 本底噪声 |
| 收稿时间： | 2004-6-16 |
| 修稿时间： | 2004-10-29 |
Beam Test Results of the First Full-Scale Prototype of CMS RE 1/2 Resistive Plate Chamber |
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| YING Jun.Beam Test Results of the First Full-Scale Prototype of CMS RE 1/2 Resistive Plate Chamber[J].High Energy Physics and Nuclear Physics,2005,29(2):175-179. |
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| Authors: | YING Jun |
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| Abstract: | We reported the muon beam test results of the first full-scale prototype of CMS RE 1/2 Resistive Plate Chamber (RPC). The bakelite surface is treated using a special technology without oil to make it smooth enough. The full scale RE 1/2 RPC with honeycomb supporting frame is strong and thin enough to be fitted to the limited space of CMS design for the inner Forward RPC. The muon beam test was performed at CERN Gamma Irradiation Facility (GIF). The detection efficiency of this full scale RPC prototype is >95% even at very high irradiation background. The time resolution (less than 1.2 ns) and spatial resolution are satisfactory for the muon trigger device in future CMS experiments. The noise rate is also calculated and discussed. |
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| Keywords: | resistive plate chamber avalanche mode muon beam test noise rate |
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