Publications (41)
Horizontal Position Reconstruction in PandaX-II
Dan Zhang, Andi Tan, Abdusalam Abdukerim +69
Dual-phase noble-gas time projection chambers (TPCs) have improved the sensitivities for dark matter direct search in past decades. The capability of TPCs to reconstruct 3-D vertex…
Search for Cosmic-ray Boosted Sub-MeV Dark-Matter-Electron Scattering in PandaX-4T
Xiaofeng Shang, Abdusalam Abdukerim, Zihao Bo +89
We report the first search for the elastic scatterings between cosmic-ray boosted sub-MeV dark matter and electrons in the PandaX-4T liquid xenon experiment. Sub-MeV dark matter pa…
Waveform Simulation in PandaX-4T
Jiafu Li, Abdusalam Abdukerim, Chen Cheng +88
Signal reconstruction through software processing is a crucial component of the background and signal models in the PandaX-4T experiment, which is a multi-tonne dark matter direct…
The Eleventh NTIRE 2026 Efficient Super-Resolution Challenge Report
Bin Ren, Hang Guo, Yan Shu +60
This paper reviews the NTIRE 2026 challenge on efficient single-image super-resolution with a focus on the proposed solutions and results. The aim of this challenge is to devise a…
Search for Light Dark Matter-Electron Scatterings in the PandaX-II Experiment
Chen Cheng, Pengwei Xie, Abdusalam Abdukerim +67
We report constraints on light dark matter through its interactions with shell electrons in the PandaX-II liquid xenon detector with a total 46.9 tonneday exposure. To effec…
Signal Response Model in PandaX-4T
Yunyang Luo, Zihao Bo, Shibo Zhang +88
PandaX-4T experiment is a deep-underground dark matter direct search experiment that employs a dual-phase time projection chamber with a sensitive volume containing 3.7 tonne of li…
Radon Removal Commissioning of the PandaX-4T Cryogenic Distillation System
Xiangyi Cui, Zhou Wang, Jiafu Li +12
The PandaX-4T distillation system, designed for the removal of krypton and radon from xenon, is evaluated for its radon removal efficiency using a Rn source during the onli…
Search for Dark-Matter-Nucleon Interactions with a Dark Mediator in PandaX-4T
Di Huang, Abdusalam Abdukerim, Zihao Bo +92
We report results of a search for dark-matter-nucleon interactions via a dark mediator using optimized low-energy data from the PandaX-4T liquid xenon experiment. With the ionizati…
Pick's Theorem in Two-Dimensional Subspace of R^3
Lin Si
In this note, we given a version of Pick's theorem for the simple lattice polygon in two-dimensional subspace of R^3.
Mixed Lp projection inequality
Zhongwen Tang, Lin Si
In this paper, the mixed Lp-surface area measures are defined and the mixed Lp Minkowski inequality is obtained consequently. Furthermore, the mixed Lp projection inequality for mi…
Constraints on the axial-vector and pseudo-scalar mediated WIMP-nucleus interactions from PandaX-4T experiment
Zhou Huang, Chencheng Han, Abdusalam Abdukerim +88
We present the constraints on the axial-vector and pseudo-scalar mediated WIMP-nucleus interactions from the PandaX-4T experiment, using the data set corresponding to a total expos…
Measurement of Double Beta Decay Half-life of Xe with the PandaX-4T Detector
PandaX Collaboration, Lin Si, Zhaokan Cheng +85
Precise measurement of two-neutrino double beta decay (DBD) half-life is an important step for the searches of Majorana neutrinos with neutrinoless double beta decay. We report the…
Searching for Two-Neutrino and Neutrinoless Double Beta Decay of Xe with the PandaX-4T Experiment
PandaX Collaboration, Xiyu Yan, Zhaokan Cheng +94
Xe is a candidate isotope for neutrinoless double beta decay~() search. In addition, the two-neutrino case () allowed by the Standard Model of particle ph…
Results of Dark Matter Search using the Full PandaX-II Exposure
Qiuhong Wang, Abdusalam Abdukerim, Wei Chen +62
We report the dark matter search results obtained using the full 132 tonday exposure of the PandaX-II experiment, including all data from March 2016 to August 2018. No signi…
Search for light dark matter from atmosphere in PandaX-4T
Xuyang Ning, Abdusalam Abdukerim, Zihao Bo +92
We report a search for light dark matter produced through the cascading decay of mesons, which are created as a result of inelastic collisions between cosmic rays and Earth's…
Low Radioactive Material Screening and Background Control for the PandaX-4T Experiment
Zhicheng Qian, Lin Si, Abdusalam Abdukerim +76
PandaX-4T is a ton-scale dark matter direct detection experiment using a dual-phase TPC technique at the China Jinping Underground Laboratory. Various ultra-low background technolo…
Mixed-Mean Inequality for Submatrix
Lin Si, Suyun Zhao
For a matrix with nonnegative entries and any submatrix of , let and denote the arit…
Measurement of Solar Neutrino Flux using Electron Recoil Data from PandaX-4T Commissioning Run
PandaX Collaboration, Xiaoying Lu, Abdusalam Abdukerim +89
The proton-proton () fusion chain dominates the neutrino production from the Sun. The uncertainty of the predicted neutrino flux is at the sub-percent level, whereas that…
Study of background from accidental coincidence signals in the PandaX-II experiment
II Collaboration, Abdusalam Abdukerim, Wei Chen +63
The PandaX-II experiment employed a 580kg liquid xenon detector to search for the interactions between dark matter particles and the target xenon atoms. The accidental coincidences…
Constraining self-interacting dark matter with the full dataset of PandaX-II
Jijun Yang, Abdusalam Abdukerim, Wei Chen +69
Self-interacting Dark Matter (SIDM) is a leading candidate proposed to solve discrepancies between predictions of the prevailing cold dark matter theory and observations of galaxie…
A search for two-component Majorana dark matter in a simplified model using the full exposure data of PandaX-II experiment
Ying Yuan, Abdusalam Abdukerim, Zihao Bo +75
In the two-component Majorana dark matter model, one dark matter particle can scatter off the target nuclei, and turn into a slightly heavier component. In the framework of a simpl…
Light yield and field dependence measurement in PandaX-II dual-phase xenon detector
Zhou Huang, Abdusalam Abdukerim, Zihao Bo +76
The dual-phase xenon time projection chamber (TPC) is one of the most sensitive detector technology for dark matter direct search, where the energy deposition of incoming particle…
The Legendre Transform of Convex Lattice Sets
Tingting He, Lin Si
The goal of this paper is to study convex lattice sets by the discrete Legendre transform. The definition of the polar of convex lattice sets in is provided. It is w…
An Improved Evaluation of the Neutron Background in the PandaX-II Experiment
Qiuhong Wang, Abdusalam Abdukerim, Wei Chen +60
In dark matter direct detection experiments, neutron is a serious source of background, which can mimic the dark matter-nucleus scattering signals. In this paper, we present an imp…
A First Search for Solar B Neutrino in the PandaX-4T Experiment using Neutrino-Nucleus Coherent Scattering
Wenbo Ma, Abdusalam Abdukerim, Chen Cheng +88
A search for interactions from solar B neutrinos elastically scattering off xenon nuclei using PandaX-4T commissioning data is reported. The energy threshold of this search is…
Neutron-induced nuclear recoil background in the PandaX-4T experiment
Zhou Huang, Guofang Shen, Qiuhong Wang +77
Neutron-induced nuclear recoil background is critical to the dark matter searches in the PandaX-4T liquid xenon experiment. This paper studies the feature of neutron background in…
A search for solar axions and anomalous neutrino magnetic moment with the complete PandaX-II data
Xiaopeng Zhou, Xinning Zeng, Xuyang Ning +63
We report a search for new physics signals using the low energy electron recoil events in the complete data set from PandaX-II, in light of the recent event excess reported by XENO…
Development of High-Sensitivity Radon Emanation Measurement Systems with Surface Treatment Optimization
Yuan Wu, Lin Si, Zhicheng Qian +7
Radon and its progenies are significant sources of background in rare event detection experiments, including dark matter searches like the PandaX-4T experiment and other rare decay…
A Search for the Cosmic Ray Boosted Sub-GeV Dark Matter at the PandaX-II Experiment
Xiangyi Cui, Abdusalam Abdukerim, Zihao Bo +76
We report a novel search for the cosmic ray boosted dark matter using the 100~tonneday full data set of the PandaX-II detector located at the China Jinping Underground Labor…
Determination of responses of liquid xenon to low energy electron and nuclear recoils using the PandaX-II detector
Binbin Yan, Abdusalam Abdukerim, Wei Chen +63
We report a systematic determination of the responses of PandaX-II, a dual phase xenon time projection chamber detector, to low energy recoils. The electron recoil (ER) and nuclear…
First search for the absorption of fermionic dark matter with the PandaX-4T experiment
Linhui Gu, Abdusalam Abdukerim, Zihao Bo +86
Compared with the signature of dark matter elastic scattering off nuclei, the absorption of fermionic dark matter by nuclei opens up a new searching channel for light dark matter w…
Searching for Neutrino-less Double Beta Decay of Xe with PandaX-II Liquid Xenon Detector
Kaixiang Ni, Yihui Lai, Abdusalam Abdukerim +60
We report the Neutrino-less Double Beta Decay (NLDBD) search results from PandaX-II dual-phase liquid xenon time projection chamber. The total live time used in this analysis is 40…
PandaX-xT: a Multi-ten-tonne Liquid Xenon Observatory at the China Jinping Underground Laboratory
PandaX Collaboration, Abdusalam Abdukerim, Zihao Bo +90
We propose a major upgrade to the existing PandaX-4T experiment in the China Jinping Underground Laboratory. The new experiment, PandaX-xT, will be a multi-ten-tonne liquid xenon,…
A Novel Low-Background Photomultiplier Tube Developed for Xenon Based Detectors
Youhui Yun, Zhizhen Zhou, Baoguo An +22
Photomultiplier tubes (PMTs) are essential in xenon detectors like PandaX, LZ, and XENON experiments for dark matter searches and neutrino properties measurement. To minimize PMT-i…
A Search for Light Fermionic Dark Matter Absorption on Electrons in PandaX-4T
Dan Zhang, Abdusalam Abdukerim, Zihao Bo +89
We report a search on a sub-MeV fermionic dark matter absorbed by electrons with an outgoing active neutrino using the 0.63 tonne-year exposure collected by PandaX-4T liquid xenon…
Design and Experimental Application of a Radon Diffusion Chamber for Determining Diffusion Coefficients in Membrane Materials
Liang-Yu Wu, Lin Si, Yuan Wu +13
In recent years, the issue of radon emanation and diffusion has become a critical concern for rare decay experiments, such as JUNO and PandaX-4T. This paper introduces a detector d…
Internal Calibration of the PandaX-II Detector with Radon Gaseous Sources
Wenbo Ma, Abdusalam Abdukerim, Zihao Bo +65
We have developed a low-energy electron recoil (ER) calibration method with Rn for the PandaX-II detector. Rn, emanated from natural thorium compounds, was fed into…
A flexible test facility for liquid xenon detector development
Evan Angelico, Jacopo Dalmasson, Ralph DeVoe +6
As liquid xenon time projection chambers scale to ever-larger sizes, so too do the engineering challenges they pose. We describe a large, flexible, multipurpose test facility capab…
Detecting Neutrinos from Supernova Bursts in PandaX-4T
Binyu Pang, Abdusalam Abdukerim, Zihao Bo +93
Neutrinos from core-collapse supernovae are essential for the understanding of neutrino physics and stellar evolution. The dual-phase xenon dark matter detectors can provide a way…
Electric Field Optimization of High-Voltage Vacuum Feedthroughs
Lin Si, Evan Angelico, Giorgio Gratta
We report on the optimization of high voltage vacuum feedthroughs meant to minimize the electric field on the vacuum side of the device. We find that commercial feedthroughs genera…
Dark Matter Search Results from the PandaX-4T Commissioning Run
Yue Meng, Zhou Wang, Yi Tao +76
We report the first dark matter search results using the commissioning data from PandaX-4T. Using a time projection chamber with 3.7-tonne of liquid xenon target and an exposure of…