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CJPL International Advisory Committee Reports

PandaX Annual Report 2021

The PandaX (particle and astrophysical xenon) observatory uses xenon as target and detector to search for WIMP particles as well as neutrinoless double beta decay (NLDBD) in ${}^{136}Xe$. PandaX-4T experiment has started operation in 2021. The future PandaX program will focus on the following two main directions:

  1. Develop PandaX-4T into a multi-purpose liquid xenon experiment, to push further the dark matter search and other physics topics;
  2. Technological R&D and instrumental upgrade(s) to PandaX-4T towards a multi-ten-ton experiment (PandaX-xT) at CJPL

PandaX Annual Report 2020

The PandaX (particle and astrophysical xenon) observatory uses xenon as target and detector to search for WIMP particles as well as neutrinoless double beta decay ($0\nu\beta\beta$) in ${}^{136}Xe$. At present, the PandaX-II experiment is completed and the PandaX-4T experiment is under installation. The future PandaX program will focus on two main directions

PandaX Annual Report 2019

PandaX (particle and astrophysical xenon) observatory uses xenon as target to search for WIMP particles and to study fundamental properties of neutrinos. In summer 2019, the PandaX-II experiment accomplished all the designed goals, and the operation was officially terminated. The total dark matter exposure is about 140-ton-day. The collaboration has been focusing on constructing the PandaX-4T (4-ton liquid xenon target) experiment in the B2 hall of CJPL-II. In parallel, the PandaX-III experiment, with a 100-kg high pressure gas xenon TPC (HpgTPC), is being prepared at SJTU. This is a technological pathfinder for this unique approach to search for the neutrinoless double beta decay ($0\nu\beta\beta$) in ${}^{136}Xe$.

PandaX Annual Report 2018

The PandaX (particle and astrophysical xenon) observatory uses xenon as target and detector to search for WIMP particles as well as neutrinoless double beta decay ($0\nu\beta\beta$) in ${}^{136}Xe$. Since the last IAC meeting in 2016, the PandaX-II experiment has been operated for two more years. The near future PandaX program will focus on the following three main directions:

  1. Systematics and technical studies using PandaX-II detector;

  2. Develop and operate a 4-ton scale multi-purpose liquid xenon experiment, PandaX-4T, to push further the dark matter search;

  3. Develop and operate a 200-kg (upgradable to ton-scale) high pressure gas TPC (HpgTPC), PandaX-III, to search for $0\nu\beta\beta$ in ${}^{136}Xe$.

Future plan of the PandaX Experiment, 2016

The PandaX observatory uses xenon as target and detector to search for WIMP particles as well as neutrinoless double beta decay ($0\nu\beta\beta$) in ${}^{136}Xe$. At present, the PandaX-II experiment is in operation in CJPL-I. The future PandaX program will pursue the following three main directions:

  • Continue the operation of PandaX-II until a total of 2-year exposure;
  • Develop and operate a multi-ton multi-purpose liquid xenon experiment, PandaX-xT, to push further the dark matter search;
  • Develop and operate a 200 kg (upgradable to ton-scale) high pressure gas TPC (HpgTPC), PandaX-III, to search for $0\nu\beta\beta$ in ${}^{136}Xe$.
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