Measurement of 3D distance from nuclear reactors to detectors in Daya Bay reactor neutrino experiment

LIANG Jing; DONG Lan; LUO Tao; WANG Tong; LIU Can; LI Bo; WANG Xiaolong; MEN Lingling

doi:10.11889/j.0253-3219.2014.hjs.37.010602

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Measurement of 3D distance from nuclear reactors to detectors in Daya Bay reactor neutrino experiment

更新时间：2021-03-03

- Measurement of 3D distance from nuclear reactors to detectors in Daya Bay reactor neutrino experiment
- NUCLEAR TECHNIQUES Vol. 37, Issue 1, Article number: 010602(2014)
- 作者机构：
  
  中国科学院高能物理研究所,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.010602
  CLC：
- Published：20 January 2014
- 稿件说明：
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LIANG Jing, DONG Lan, LUO Tao, et al. Measurement of 3D distance from nuclear reactors to detectors in Daya Bay reactor neutrino experiment[J]. Nuclear techniques, 2014, 37(1): 010602
DOI：

LIANG Jing, DONG Lan, LUO Tao, et al. Measurement of 3D distance from nuclear reactors to detectors in Daya Bay reactor neutrino experiment[J]. Nuclear techniques, 2014, 37(1): 010602 DOI： 10.11889/j.0253-3219.2014.hjs.37.010602.

摘要

大亚湾反应堆中微子实验的开展需要精确获取反应堆堆芯至中微子探测器的三维距离。本文介绍了在反应堆堆芯至探测器三维距离测量的过程中控制网的建立及测量方法，采用GPS全球定位仪、全站仪以及激光跟踪仪联合测量的方式实现距离测量，并利用多种软件对结果进行平差处理及分析。最终，反应堆堆芯至中微子探测器的三维距离精度满足±40 mm设计要求。

Abstract

Background: The Daya Bay neutrino experiment is designed to measure the mixing angle ?13 using anti-neutrinos produced by the reactors of the Daya Bay Nuclear Power Plant (NPP) and the Ling Ao NPP. The distance from nuclear reactors to experiment detectors is needed. Purpose: The aim is to introduce the way of building and measuring the control network during the distance surveying. Methods: The 3D distance was obtained by GPS

total station and laser tracker

and several software and different instruments were used for the combination of data adjustment and coordinate transformation

as well as the correctness checking. Results: Through the actual measurement and data processing

the accuracy of the distance is better than the designed requirement of ±40 mm. Conclusion: The success of the Daya Bay reactor neutrino experiment demonstrates that the result of 3D distance measurement is reasonable and correct

and the survey work makes an important contribution to the Daya Bay reactor neutrino experiment.Cited

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Design and survey for the locating of Jiangmen underground neutrino observatory

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西安加速器质谱中心西安710052中国科学院地球环境研究所黄土与第四纪地质国家重点实验室西安710075西安交通大学西安

西安710052西安交通大学西安

中国科学院近代物理研究所

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