A5049646805- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Solid State Laser Technologies
- Radiation Detection and Scintillator Technologies
- Photorefractive and Nonlinear Optics
- Nuclear Physics and Applications
- Advanced Fiber Laser Technologies
- Particle Accelerators and Free-Electron Lasers
- Atomic and Subatomic Physics Research
- Nuclear physics research studies
- Spectroscopy and Laser Applications
- Semiconductor Lasers and Optical Devices
- Climate variability and models
- Physics of Superconductivity and Magnetism
- Luminescence Properties of Advanced Materials
- Laser Design and Applications
- Iron-based superconductors research
- Particle accelerators and beam dynamics
- X-ray Spectroscopy and Fluorescence Analysis
Institute of High Energy Physics
2014-2024
Institute of Physics
2016-2024
Chinese Academy of Sciences
2010-2024
Nanyang Technological University
2024
University of Chinese Academy of Sciences
2020-2024
Qingdao University
2024
Nankai University
1989-2022
Ruhr University Bochum
2015-2022
Wuhan Institute of Virology
2020
Northwest Normal University
2019-2020
We report room-temperature operation of an all-solid-state broadly tunable continuous-wave Cr(2+):ZnSe laser. Output power 250 mW, absorbed slope efficiency 63%, and continuous tunability from 2138 to 2760 nm are demonstrated.
The excitonic insulator (EI) is an exotic ground state of narrow-gap semiconductors and semimetals arising from spontaneous condensation electron-hole pairs bound by attractive Coulomb interaction. Despite research on EIs dating back to half a century ago, their existence in real materials remains subject ongoing debate. In this study, through systematic experimental theoretical investigations, we provide evidence for the EI van der Waals compound <a:math...
${\mathrm{Sr}}_{2}{\mathrm{CuTeO}}_{6}$ is a square-lattice N\'eel antiferromagnet with superexchange between first-neighbor $S=1/2$ Cu spins mediated by plaquette centered Te ions. Substituting W, the affected impurity plaquettes have predominantly second-neighbor interactions, thus causing local magnetic frustration. Here we report study of ${\mathrm{Sr}}_{2}{\mathrm{CuTe}}_{1\ensuremath{-}x}{\mathrm{W}}_{x}{\mathrm{O}}_{6}$ using neutron diffraction and $\ensuremath{\mu}\mathrm{SR}$...
The absolute branching fractions for the decays $D^0 \to K^-e ^+\nu_e$ and \pi^-e^+\nu_e$ are determined using $7584\pm 198 \pm 341$ singly tagged $\bar D^0$ sample from data collected around 3.773 GeV with BES-II detector at BEPC. In system recoiling against meson, $104.0\pm 10.9$ events $9.0 3.6$ observed. Those yield to be $BF(D^0 K^-e^+\nu_e)=(3.82 0.40\pm 0.27)%$ \pi^-e^+\nu_e)=(0.33 0.13\pm 0.03)%$. vector form factors $|f^K_+(0)| = 0.78 0.04 0.03$ $|f^{\pi}_+(0)| 0.73 0.14 0.06$....
A muon facility—EMuS (Experimental Muon Source)—at China Spallation Neutron Source (CSNS) has been studied since 2007. CSNS, which is designed to deliver a proton beam power of 100 kW at Phase-I, and will serve multidisciplinary research based on neutron scattering techniques, just completed construction, ready open general users from September 2018. As an additional platform EMuS aims provide different beams for multiple applications, among which, magnetism study by μSR techniques core...
The origin of nematic order remains one the major debates in iron-based superconductors. In theories based on spin nematicity, prediction is that spin-spin correlation length at (0,π) should decrease with decreasing temperature below structural transition T_{s}. Here, we report inelastic neutron scattering studies low-energy fluctuations BaFe_{1.935}Ni_{0.065}As_{2} under uniaxial pressure. Both intensity and start to show anisotropic behavior high temperature, while reduction happens just...
The cross sections for D0D¯0 and D+D− production at 3.773 GeV have been measured with BES-II detector BEPC. These measurements are made by analyzing a data sample of about 17.3 pb−1 collected the center-of-mass energy GeV. Observed charm pair radiatively corrected to obtain tree level section DD¯ production. A measurement total hadronic is obtained from an extrapolation Ruds below open threshold.
The absolute branching fraction for the decay $D^+ \to \bar K^0 e^+\nu_e$ is determined using $5321\pm 149 \pm 160$ singly tagged $D^-$ sample from data collected around 3.773 GeV with BES-II detector at BEPC collider. In system recoiling against meson, $34.4\pm 6.1$ events e ^+\nu_e$ observed. Those yield to be $BF(D^+ e^+\nu_e)=(8.95 1.59\pm 0.67)%$. ratio of two partial widths decays $D^0 K^-e^+\nu_e$ and $ \Gamma (D^0 K^-e^+\nu_e)/ (D^+ e^+\nu_e) = 1.08\pm 0.22 0.07$.
New data are presented on $J/ψ\to ωK^+K^-$ from a sample of 58M $J/ψ$ events in the upgraded BES II detector at BEPC. There is conspicuous signal for $f_0(1710) \to K^+K^-$ and peak higher mass which may be fitted with $f_2(2150) K\bar K$. From combined analysis $ωπ^+ π^-$ data, branching ratio $BR(f_0(1710)\toππ)/BR(f_0(1710) K)$ $< 0.11$ 95% confidence level.
In order to improve the particle identification capability of endcap time-of-flight (ETOF) at Beijing Spectrometer III, it is proposed upgrade current ETOF detector with multi-gap resistive plate chamber (MRPC) technology aiming extending overall time resolution be 80–100 ps for $$\pi $$ ’s. The new system including MRPC detectors, front end electronics, CLOCK module, fast control boards and time-to-digital conversion modules, was built up underwent 3-month cosmic ray test. main purposes...
Abstract The Taishan Antineutrino Observatory (TAO or JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino (JUNO). Located near reactor Nuclear Power Plant, TAO will measure antineutrino energy spectrum with an unprecedented resolution $$<2\%$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mo><</mml:mo> <mml:mn>2</mml:mn> <mml:mo>%</mml:mo> </mml:mrow> </mml:math> at 1 MeV. Energy calibration critical to achieve such high resolution....
Underwater superaerophobic surface is of great significance for controllable manipulation gas bubbles in scientific research and practical applications. However, the fabrication arbitrary-shaped solid surfaces through a simple low-cost approach still hard. Herein, 3D objects were manufactured via liquid crystal display (LCD)-based printing (vat photopolymerisation-based additive manufacturing) combined with one-step post-surface-treatment sodium hydroxide (NaOH) solution. The influences NaOH...