J. H. Feng
A5025906570- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Black Holes and Theoretical Physics
- Neutrino Physics Research
- Machine Learning in Bioinformatics
- Bioinformatics and Genomic Networks
- Plant Virus Research Studies
- RNA and protein synthesis mechanisms
- Dark Matter and Cosmic Phenomena
- RNA modifications and cancer
- Viral Infectious Diseases and Gene Expression in Insects
- Fluid Dynamics and Turbulent Flows
- Meteorological Phenomena and Simulations
- Computational Physics and Python Applications
- Neural Networks and Applications
- Medical Imaging Techniques and Applications
- Embedded Systems Design Techniques
- Particle Accelerators and Free-Electron Lasers
- Bacteriophages and microbial interactions
- Functional Brain Connectivity Studies
- Computational Fluid Dynamics and Aerodynamics
- Gut microbiota and health
- Genomics and Chromatin Dynamics
Sun Yat-sen University
2003-2025
Xi'an Jiaotong University
2024
Shenzhen University
2024
Using a sample of $1.31\times10^9$ $J/\psi$ events collected with the BESIII detector at electron-positron collider BEPCII, we analyse full $J/\psi \to$ $\Xi^-\overline{\Xi}^+$, $\Xi^-\to \Lambda \pi^-$, $\Lambda\to p\pi^-$, $\overline{\Xi}^+\to\overline{\Lambda}\pi^+$, $\overline{\Lambda}\to\overline{p}\pi^+$ decay chain. A new method, exploiting fact that $\Xi^-\overline{\Xi}^+$ pair is entangled and sequentially decaying, where complete chains are reconstructed, applied for first time....
Using $e^+e^-$ annihilation data corresponding to a total integrated luminosity of 6.32 $\rm fb^{-1}$ collected at center-of-mass energies between 4.178 and 4.226 GeV with the BESIII detector, we perform an amplitude analysis decay $D_{s}^{+} \to K_{S}^{0}K_{S}^{0}\pi^{+}$ for first time. An enhancement is observed in $K_{S}^{0}K_{S}^{0}$ mass spectrum near 1.7 GeV/$c^2$, which was not seen K^+K^-\pi^{+}$ earlier work, implying existence isospin one partner $f_0(1710)$. The branching...
One of the main goals studying semileptonic decays in flavor physics is to gain a better understanding hadronic transitions nonperturbative region Quantum Chromodynamics. This involves measuring Cabibbo-Kobayashi-Maskawa matrix elements, form factors, and comparing them with theoretical predictions. We report first study decay <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:msup><a:mrow><a:mi>D</a:mi></a:mrow><a:mrow><a:mn>0</a:mn></a:mrow></a:msup><a:mo...
Using <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mo stretchy="false">(</a:mo><a:mn>27.12</a:mn><a:mo>±</a:mo><a:mn>0.14</a:mn><a:mo stretchy="false">)</a:mo><a:mo>×</a:mo><a:msup><a:mrow><a:mn>10</a:mn></a:mrow><a:mrow><a:mn>8</a:mn></a:mrow></a:msup></a:mrow></a:math> <e:math xmlns:e="http://www.w3.org/1998/Math/MathML" display="inline"><e:mrow><e:mi>ψ</e:mi><e:mo stretchy="false">(</e:mo><e:mn>2</e:mn><e:mi>S</e:mi><e:mo...
A bstract By analyzing e + − collision data with an integrated luminosity of 7.9 fb 1 collected the BESIII detector at center-of-mass energy 3.773 GeV, branching fraction D → τ ν is determined as $$ \mathcal{B} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>B</mml:mi> </mml:math> = (9.9 ± 1.1 stat 0.5 syst ) × 10 4 . Using most precise result ( μ (3.981 0.079 0.040 [1], we determine R τ/μ Γ( )/Γ( 2.49 0.31, achieving a factor two improvement in precision compared to...
Using $(2712\pm14)\times10^6$ $\psi(3686)$ events collected with the BESIII detector, we perform first amplitude analysis of radiative decay $\psi(3686)\to \gamma K_S^0 K_S^0$ within mass region $M_{K_S^0 }<2.8$ GeV/$c^2$. Employing a one-channel K-matrix approach for description dynamics $K^0_S K^0_S$ system, data sample is well described four poles $f_0$-wave and three $f_2$-wave. The determined pole positions are consistent those well-established resonance states. observed $f_0$ $f_{2}$...
A bstract Based on (2712 . 4 ± 14 3) × 10 6 ψ (3686) events collected at the BESIII detector operating BEPCII collider, we present first observation of decay $$ \psi (3686)\to {K}^{-}\Lambda (1520){\overline{\Xi}}^{+} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ψ</mml:mi> <mml:mfenced> <mml:mn>3686</mml:mn> </mml:mfenced> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:mi>Λ</mml:mi> <mml:mn>1520</mml:mn> <mml:mover>...
A bstract We report an improved study of the semileptonic decay $$ {D}^0\to {\overline{K}}^0{\pi}^{-}{e}^{+}{\nu}_e <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>D</mml:mi> <mml:mn>0</mml:mn> </mml:msup> <mml:mo>→</mml:mo> <mml:mover> <mml:mi>K</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mi>π</mml:mi> <mml:mo>−</mml:mo> <mml:mi>e</mml:mi> <mml:mo>+</mml:mo> <mml:msub> <mml:mi>ν</mml:mi> </mml:msub> </mml:math> based on a sample 7.9 fb − 1 e + annihilation...
Direct numerical simulation (DNS) is a technique that directly solves the fluid Navier-Stokes equations with high spatial and temporal resolutions, which has driven much research regarding nature of turbulence. For high-Reynolds number (Re) incompressible turbulence particular interest, where nondimensional Re characterizes flow regime, application DNS hindered by fact grid size (i.e., memory requirement) scales Re3, while overall computational cost Re4. Recent studies have shown developing...
A bstract Using e + − collision data collected by the BESIII detector at BEPCII corresponding to an integrated luminosity of 30 fb 1 , we measure Born cross sections and effective form factors for process $$ {e}^{+}{e}^{-}\to {\Xi}^0{\overline{\Xi}}^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>e</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>−</mml:mo> <mml:mo>→</mml:mo> <mml:mi>Ξ</mml:mi> <mml:mn>0</mml:mn> <mml:mover> <mml:mo>¯</mml:mo> </mml:mover>...
A high-precision measurement of the branching fraction decay <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mrow><a:mi>J</a:mi><a:mo>/</a:mo><a:mi>ψ</a:mi></a:mrow><a:mo stretchy="false">→</a:mo><a:mrow><a:mi>p</a:mi><a:mover accent="true"><a:mrow><a:mi>p</a:mi></a:mrow><a:mrow><a:mo stretchy="false">¯</a:mo></a:mrow></a:mover><a:mi>η</a:mi></a:mrow></a:mrow></a:math> is performed using <f:math xmlns:f="http://www.w3.org/1998/Math/MathML"...
Using 6.32 fb−1 of electron-positron collision data recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we present first search for decay D+s→a0(980)0e+νe, a0(980)0→π0η, which could proceed via a0(980)−f0(980) mixing. No significant signal is observed. An upper limit 1.2×10−4 90% confidence level set on product branching fractions D+s→a0(980)0e+νe a0(980)0→π0η decays.Received 22 March 2021Accepted 30...
Using 6.32 fb−1 of e+e− collision data collected by the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, an amplitude analysis Ds+→KS0K−π+π+ decays is performed for first time to determine intermediate-resonant contributions. The dominant component Ds+→K*(892)+K¯*(892)0 decay with a fraction (40.6±2.9stat±4.9sys)%. Our results are used obtain more precise measurement branching decay, which determined be (1.46±0.05stat±0.05sys)%.Received 9 February 2021Accepted April...
In the contemporary field of life sciences, researchers have gradually recognized critical role microbes in maintaining human health. However, traditional biological experimental methods for validating association between and diseases are both time-consuming costly. Therefore, developing effective computational to predict potential associations is an important urgent task. this study, we propose a novel framework, called GCATCMDA, forecasting diseases. Firstly, construct Gaussian kernel...
A bstract Using a total of 5 . 25 fb − 1 e + collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation process → ηψ (2 S ) statistical significance 4.9 standard deviations. The sets were collected by BESIII detector operating at BEPCII storage ring. We measure yield events integrated over and also present energy dependence measured cross section.
The process $e^{+}e^{-}\to p\bar{p}\pi^{0}$ is studied at 20 center-of-mass energies ranging from 2.1000 to 3.0800 GeV using 636.8 pb$^{-1}$ of data collected with the BESIII detector operating BEPCII collider. Born cross sections for are measured high precision. Since lowest energy, GeV, less than 90 MeV above $p\bar{p}\pi^0$ energy threshold, we can probe threshold behavior this reaction. However, no anomalous enhancement found in p\bar{p}\pi^{0}$.
Using $(10087\pm44)\times10^6J/\psi$ events collected with the BESIII detector, we search for rare decay $J/\psi \to \gamma D^0+c.c.$ first time. No obvious signal is observed and upper limit on branching fraction determined to be ${\cal B}(J/\psi D^{0}+c.c.)< 9.1 \times 10^{-8}$ at 90\% confidence level.
By analyzing $(27.12 \pm 0.14)\times10^{8}$ $\psi(3686)$ events accumulated with the BESIII detector, decay $\eta_{c}(2S) \to K^{+} K^{-} \eta$ is observed for first time a significance of $6.2\sigma$ after considering systematic uncertainties. The product branching fractions $\psi(3686) \gamma\eta_{c}(2S)$ and measured to be $\mathcal{B}(\psi(3686) \to\gamma\eta_{c}(2S))\times \mathcal{B}(\eta_{c}(2S)\to K^{-}\eta)=(2.39 0.32 0.34) \times 10^{-6}$, where uncertainty statistical, second one...
Using <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mn>10.1</a:mn><a:mtext> </a:mtext><a:mtext> </a:mtext><a:msup><a:mi>fb</a:mi><a:mrow><a:mo>−</a:mo><a:mn>1</a:mn></a:mrow></a:msup></a:math> of <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msup><c:mi>e</c:mi><c:mo>+</c:mo></c:msup><c:msup><c:mi>e</c:mi><c:mo>−</c:mo></c:msup></c:math> collision data collected by the BESIII detector with center-of-mass energies between 4.15 GeV and 4.30...
Objective To address the high-order correlation modeling and fusion challenges between functional structural brain networks. Method This paper proposes a hypergraph transformer method for correlations By utilizing hypergraphs, we can effectively capture within The Transformer model provides robust feature extraction integration capabilities that are capable of handling complex multimodal imaging. Results proposed is evaluated on ABIDE ADNI datasets. It outperforms all comparison methods,...
By analyzing <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msup><a:mi>e</a:mi><a:mo>+</a:mo></a:msup><a:msup><a:mi>e</a:mi><a:mo>−</a:mo></a:msup></a:math> annihilation data corresponding to an integrated luminosity of <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:mn>7.93</c:mn><c:mtext> </c:mtext><c:mtext> </c:mtext><c:msup><c:mi>fb</c:mi><c:mrow><c:mo>−</c:mo><c:mn>1</c:mn></c:mrow></c:msup></c:math>, collected at the center-of-mass...
Measurements of the strong-phase difference between <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msup><a:mi>D</a:mi><a:mn>0</a:mn></a:msup></a:math> and <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msup><c:mover accent="true"><c:mi>D</c:mi><c:mo stretchy="false">¯</c:mo></c:mover><c:mn>0</c:mn></c:msup><c:mo...