Fluorocarbon paint on Daya Bay antineutrino detectors

The aim of the Daya Bay reactor antineutrino experiment is to determine the neutrino mixing angle 813 with a sensitivity of 0.01 or better at 90% confidence level. In order to improve the position resolution of both the positron interaction and the neu- tron capture, the inside of the antineutrino d...

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Bibliographic Details
Published inScience China. Technological sciences Vol. 55; no. 6; pp. 1572 - 1575
Main Authors Wang, RuiGuang, Heng, YueKun, Wang, Lan, Ding, YaYun, Cao, Jun, Wang, YiFang, Yang, ChangGen
Format Journal Article
LanguageEnglish
Published Heidelberg SP Science China Press 01.06.2012
Subjects
Antineutrinos
Austenitic stainless steels
Confidence intervals
Detectors
Engineering
Fluorocarbons
Paints
Protective coatings
Radioactivity
中微子实验
中微子探测器
位置分辨率
大亚湾
氟碳涂料
物理设备
相互作用
置信水平
neutrino
reflectivity
detector
compatibility
fluorocarbon paint
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ISSN1674-7321
1869-1900
DOI10.1007/s11431-012-4848-z

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Summary:The aim of the Daya Bay reactor antineutrino experiment is to determine the neutrino mixing angle 813 with a sensitivity of 0.01 or better at 90% confidence level. In order to improve the position resolution of both the positron interaction and the neu- tron capture, the inside of the antineutrino detectors should be as unreflecting as possible. A black matt fluorocarbon paint is coated on the inner surface of the detectors made of 304L stainless steel to meet the physical requirement. This paint is com- patible with mineral oil, has low radioactivity, is easy to spray and fast curing at normal temperatures. The coating has excel- lent performance such as good adhesive force, uniformity, compact, scratch and wear resistance, and so on. It is the first appli- cation of such paint to large physical devices.
Bibliography:The aim of the Daya Bay reactor antineutrino experiment is to determine the neutrino mixing angle 813 with a sensitivity of 0.01 or better at 90% confidence level. In order to improve the position resolution of both the positron interaction and the neu- tron capture, the inside of the antineutrino detectors should be as unreflecting as possible. A black matt fluorocarbon paint is coated on the inner surface of the detectors made of 304L stainless steel to meet the physical requirement. This paint is com- patible with mineral oil, has low radioactivity, is easy to spray and fast curing at normal temperatures. The coating has excel- lent performance such as good adhesive force, uniformity, compact, scratch and wear resistance, and so on. It is the first appli- cation of such paint to large physical devices.
neutrino, detector, fluorocarbon paint, reflectivity, compatibility
11-5845/TH
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ISSN:1674-7321
1869-1900
DOI:10.1007/s11431-012-4848-z