A5075670673- High-Energy Particle Collisions Research
- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- Nuclear physics research studies
- Dark Matter and Cosmic Phenomena
- Nuclear reactor physics and engineering
- Nuclear Physics and Applications
- Neutrino Physics Research
- Atomic and Molecular Physics
- Particle Detector Development and Performance
- Astronomical and nuclear sciences
- Cosmology and Gravitation Theories
- Atomic and Subatomic Physics Research
- Astrophysics and Cosmic Phenomena
- Advanced Chemical Physics Studies
- Quantum, superfluid, helium dynamics
- Cold Atom Physics and Bose-Einstein Condensates
- Advanced NMR Techniques and Applications
- Laser-Plasma Interactions and Diagnostics
- Radiation Detection and Scintillator Technologies
- Stochastic processes and statistical mechanics
- Pulsars and Gravitational Waves Research
- High-pressure geophysics and materials
- Nuclear Materials and Properties
- Laser-induced spectroscopy and plasma
Fudan University
1999-2025
Institute of Modern Physics
2004-2025
Peking University
2024-2025
Institut Pluridisciplinaire Hubert Curien
2023-2025
Vignana Jyothi Institute of Management
2025
State University of New York
2018-2025
Chengdu University of Traditional Chinese Medicine
2025
Xi'an Jiaotong University
2009-2025
Shanghai Institute of Applied Physics
2015-2024
Chinese Academy of Sciences
2015-2024
We report a new search of weakly interacting massive particles (WIMPs) using the combined low background data sets in 2016 and 2017 from PandaX-II experiment China. The latest set contains exposure 77.1 live day, with reduced to level 0.8$\times10^{-3}$ evt/kg/day, improved by factor 2.5 comparison previous run 2016. No excess events were found above expected background. With total 5.4$\times10^4$ kg most stringent upper limit on spin-independent WIMP-nucleon cross section was for WIMP mass...
We report the WIMP dark matter search results using first physics-run data of PandaX-II 500 kg liquid xenon dual-phase time-projection chamber, operating at China JinPing Underground Laboratory. No candidate is identified above background. In combination with set during commissioning run, a total exposure 3.3$\times10^4$ kg-day,the most stringent limit to spin-independent interaction between ordinary and for range mass 3.5 1000 GeV/c$^2$. The best upper on scattering cross section found...
We present measurements of bulk properties the matter produced in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7, 11.5, 19.6, 27, and 39 GeV using identified hadrons ($\pi^\pm$, $K^\pm$, $p$ $\bar{p}$) from STAR experiment Beam Energy Scan (BES) Program Relativistic Heavy Ion Collider (RHIC). Midrapidity ($|y|<$0.1) results for multiplicity densities $dN/dy$, average transverse momenta $\langle p_T \rangle$ particle ratios are presented. The chemical kinetic freeze-out dynamics these energies...
Abstract Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons well nuclei. As a future high energy nuclear physics project, Electron-ion collider in China (EicC) has been proposed. It will be constructed based on upgraded heavy-ion accelerator, High Intensity Accelerator Facility (HIAF) which currently under construction, together with new electron ring. The proposed provide highly polarized electrons (with polarization ∼80%) and...
Global polarization of $\Lambda$ hyperons has been measured to be the order a few tenths percent in Au+Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV, with no significant difference between and $\bar{\Lambda}$. These new results reveal collision energy dependence global together previously observed 7.7 -- 62.4 GeV indicate noticeable vorticity medium created non-central heavy-ion highest RHIC energy. The signal is rough quantitative agreement theoretical predictions from hydrodynamic model...
The Λ (Λ[over ¯]) hyperon polarization along the beam direction has been measured in Au+Au collisions at sqrt[s_{NN}]=200 GeV, for first time heavy-ion collisions. dependence on hyperons' emission angle relative to elliptic flow plane exhibits a second harmonic sine modulation, indicating quadrupole pattern of vorticity component direction, expected due flow. is found increase more peripheral collisions, and shows no strong transverse momentum (p_{T}) p_{T} greater than 1 GeV/c. magnitude...
We report the results of a search for neutrinoless double-beta decay in 9.8 kg yr exposure (130)Te using bolometric detector array, CUORE-0. The characteristic energy resolution and background level region interest are 5.1±0.3 keV FWHM 0.058±0.004(stat)±0.002(syst)counts/(keV yr), respectively. median 90% C.L. lower-limit half-life sensitivity experiment is 2.9×10(24) surpasses previous searches. find no evidence place Bayesian lower bound on half-life, T(1/2)(0ν)>2.7×10(24) at Combining...
We report new results from the search for neutrinoless double-beta decay in $^{130}$Te with CUORE detector. This benefits a four-fold increase exposure, lower trigger thresholds and analysis improvements relative to our previous results. observe background of $(1.38\pm0.07)\cdot10^{-2}$ counts$/($keV$\cdot$kg$\cdot$yr$)$ $0\nu\beta\beta$ region interest and, total exposure 372.5 kg$\cdot$yr, we attain median exclusion sensitivity $1.7\cdot10^{25}$ yr. find no evidence set $90\%$ CI Bayesian...
Abstract The possibility that neutrinos may be their own antiparticles, unique among the known fundamental particles, arises from symmetric theory of fermions proposed by Ettore Majorana in 1937 1 . Given profound consequences such neutrinos, which is a potential explanation for matter–antimatter asymmetry universe via leptogenesis 2 , nature commands intense experimental scrutiny globally; one primary probes neutrinoless double beta (0 νββ ) decay. Here we show results search 0 decay 130...
Abstract Although seemingly disparate, high-energy nuclear physics (HENP) and machine learning (ML) have begun to merge in the last few years, yielding interesting results. It is worthy raise profile of utilizing this novel mindset from ML HENP, help interested readers see breadth activities around intersection. The aim mini-review inform community current status present an overview application HENP. From different aspects using examples, we examine how scientific questions involving HENP...
Abstract High-energy nuclear collisions provide a unique site for the synthesis of both nuclei and antinuclei at temperatures k T ≈ 100 − 150 MeV. In these little bangs transient collisions, quark-gluon plasma (QGP) nearly vanishing viscosity is created, which believed to have existed in early universe within first few microseconds after Big Bang. Analyses identified particles produced based on statistical hadronization model QGP suggested that light (anti)nuclei are from as other hadrons...
Abstract Novel fluorene‐based compounds, TCPC‐6 and TCPC‐4, with rigid central spirobifluorene cores peripheral carbazole groups are synthesized using the Suzuki coupling reaction. The optical, electrochemical, thermal properties of these compounds characterized. show strong deep‐blue emission both in solution as thin films. Both TCPC‐4 exhibit amorphous morphologies solid state high glass transition temperatures ( T g ) 108 143 °C, respectively. Atomic force microscopy (AFM) measurements...
Neutrinoless double-beta (0<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math>) decay is a hypothesized lepton-number-violating process that offers the only known means of asserting possible Majorana nature neutrino mass. The Cryogenic Underground Observatory for Rare Events (CUORE) an upcoming experiment designed to search 0<mml:math id="M2"><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:math>decay...
New constraints are presented on the spin-dependent weakly-interacting-massive-particle– (WIMP-)nucleon interaction from PandaX-II experiment, using a data set corresponding to total exposure of 3.3×104 kg day. Assuming standard axial-vector WIMP with Xe129 and Xe131 nuclei, most stringent upper limits WIMP-neutron cross sections for WIMPs masses above 10 GeV/c2 in all dark matter direct detection experiments. The minimum limit 4.1×10−41 cm2 at 90% confidence level is obtained mass 40...
We report the first measurement of elliptic anisotropy (v_{2}) charm meson D^{0} at midrapidity (|y|<1) in Au+Au collisions sqrt[s_{NN}]=200 GeV. The was conducted by STAR experiment RHIC utilizing a new high-resolution silicon tracker. measured v_{2} 0%-80% centrality can be described viscous hydrodynamic calculation for transverse momentum (p_{T}) less than 4 GeV/c. as function kinetic energy (m_{T}-m_{0}, where m_{T}=sqrt[p_{T}^{2}+m_{0}^{2}]) is consistent with that light mesons 10%-40%...
The Cryogenic Underground Observatory for Rare Events (CUORE) is designed to search neutrinoless double beta decay of 130Te with an array 988 TeO2 bolometers operating at temperatures around 10 mK. experiment currently being commissioned in Hall A Laboratori Nazionali del Gran Sasso, Italy. goal CUORE reach a 90\% C.L. exclusion sensitivity on the \tect half-life 9$\times$10$^{25}$ years after 5\,years data taking. main issue be addressed accomplish this aim rate background events region...
Fluctuations of conserved quantities such as baryon number, charge, and strangeness are sensitive to the correlation length hot dense matter created in relativistic heavy-ion collisions can be used search for QCD critical point. We report first measurements moments net-kaon multiplicity distributions Au+Au at sNN=7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, 200 GeV. The collision centrality energy dependence mean (M), variance (σ2), skewness (S), kurtosis (κ) well ratio σ2/M products Sσ κσ2...
It is studied how the $\ensuremath{\alpha}$ cluster degrees of freedom, such as clustering configurations close to decay threshold in $^{12}\mathrm{C}$ and $^{16}\mathrm{O}$, including linear chain, triangle, square, kite, tetrahedron, affect nuclear collective vibrations with a microscopic dynamical approach, which can describe properties ground states well across nuclide chart reproduce standard giant dipole resonance (GDR) $^{16}\mathrm{O}$ quite nicely. found that GDR spectrum highly...
We report new searches for solar axions and galactic axionlike dark matter particles, using the first low-background data from PandaX-II experiment at China Jinping Underground Laboratory, corresponding to a total exposure of about 2.7×104 kg day. No axion or particle candidate has been identified. The upper limit on axion-electron coupling (gAe) flux is found be 4.35×10−12 in mass range 10−5 1 keV/c2 with 90% confidence level, similar recent LUX result. also best Fe57 deexcitation. On other...
We report on the measurement of two-neutrino double beta decay half-life $^{130}$Te with CUORE-0 detector. From an exposure 33.4 kg$\cdot$y TeO$_2$, is determined to be $T_{1/2}^{2\nu}$ = [8.2 $\pm$ 0.2 (stat.) 0.6 (syst.)] $\times$ 10$^{20}$y. This result obtained after a detailed reconstruction sources responsible for counting rate, specific study those contributing neutrinoless region interest.