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Nov 6, 2021 · The Jiangmen Underground Neutrino Observatory (JUNO) is a dedicated experiment to measure the neutrino mass hierarchy. JUNO will observe electron antineutrinos emitted by several nuclear reactor cores at a distance of \(\sim 53\hbox { km}\) with a 20 kiloton liquid scintillator (LS) detector. In such a measurement shielding against external ...
The Jiangmen Underground Neutrino Observatory (JUNO) is a Liquid Scintillator Antineutrino Detector currently under construction within a dedicated underground laboratory (~700 m deep) close to Jiangmen city (Guangdong province, PR China).
- Hans Theodor Josef Steiger
- 2019
May 18, 2020 · The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at about 30 m from a core of the Taishan Nuclear Power Plant.
- Angel Abusleme, Thomas Adam, Shakeel Ahmad, Sebastiano Aiello, Muhammad Akram, Nawab Ali, Fengpeng A...
- 2020
- Central Detector
- Veto Detector
- Calibration and Juno-Tao
The central detector (CD) consists of 20 kt LS, an acrylic vesseland a large amount of PMTs. In order to get the \(3\%\sqrt{E}\)energy resolution, CD is required to maximize the light collectionfrom LS meanwhile minimize the background from radioactivesources. The optimal LS composition is determined to be the purifiedsolvent LAB with 2.5 g/L PPO a...
The veto detector consists of a WCD and a TT. The WCD is acylinder of 43.5 m in diameter and 44 m in height, which is filledwith 35 kt of ultra-pure water and equipped with 2400 MCP-PMTs.The muon tagging efficiency of WCD is larger than 99\(\%\) and thefast neutron background from muon spallation can be reduced to\(\sim 0.1\) events/day . An online...
To determine NMO, except the energy resolution, JUNO CD alsorequires better than 1\(\%\)energy linearity. Four sub-systems,with multiple calibration sources, are developed to correct theenergy non-linearity and spatial non-uniformity of the detectorresponse. An automatic calibration unit can deploy multipleradioactive sources or a pulsed laser diff...
- Cong Guo
- guocong@ihep.ac.cn
Concept of JUNO for Mass Ordering ⚫ Two-layer structure for simplicity and cost: stainless steel frame + Acrylic tank ⚫ Water as VETO and Buffer radiopurity control of water
Jiangmen Underground Neutrino Observatory (JUNO), as a medium baseline reactor antineutrino experiment, can determine the neutrino mass hierarchy independent of the CP phase. The physics potential on the mass hierarchy, and other measurements p are reviewed.
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Sep 1, 2019 · The Jiangmen Underground Neutrino Observatory ( Juno) is a large and high precision liquid scintillator detector under construction in the south of China. With its 20 kt target mass, it aims to achieve an unprecedented 3% energy resolution at 1 MeV.
