| Hall-A上小角度GDH实验中量能器的刻度修正 |
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| 引用本文： | 吕海江,蒋一,叶云秀,闫新虎,张沛.Hall-A上小角度GDH实验中量能器的刻度修正[J].中国物理 C,2007,31(1):84-87. |
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| 作者姓名： | 吕海江 蒋一 叶云秀 闫新虎 张沛 |
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| 作者单位： | [1]中国科学技术大学近代物理系,合肥230026 [2]黄山学院物理系,黄山245021 |
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| 摘 要： | 在JLab的A大厅上的小角度GDH实验中, 采用了Fumili拟合方法对位于高分辨谱仪上的量能器进行刻度. 因为实验过程中硬件条件的变化以及大量的运动学数据的存在, 对该实验数据分批进行了刻度. 刻度结果表明, 此刻度修正是合适的.
在散射电子动量为1GeV的时候, 量能器对该粒子的分辨率为0.06GeV.
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| 关 键 词： | 刻度 Fumili 分辨率 |
| 收稿时间： | 2006-3-28 |
| 修稿时间： | 2006-03-28 |
Calorimeter Counter Calibration Correction for Small Angle GDH Experiment in Hall-A |
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| L Hai-Jiang,JIANG Yi,YE Yun-Xiu,YAN Xin-Hu,ZHANG Pei.Calorimeter Counter Calibration Correction for Small Angle GDH Experiment in Hall-A[J].High Energy Physics and Nuclear Physics,2007,31(1):84-87. |
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| Authors: | L Hai-Jiang JIANG Yi YE Yun-Xiu YAN Xin-Hu ZHANG Pei |
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| Institution: | 1.Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;2.Department of Physics, Huangshan University, Huangshan 245021, China |
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| Abstract: | The Fumili minimization method was used in the calibration for the calorimeter counter on HRS at Hall-A in Jefferson Jlab(JLab) for the data of small angle GDH experiment. Due to a large set of kinematics and changes in hardware settings, different calibrations were needed for the calorimeter detector. The resolution of the calorimeter for the scattering electron was about 0.06GeV when its momentum was at 1.0GeV. |
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| Keywords: | calibration Fumili resolution |
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