X. H. Bai
YOU?
Author Swipe
View article: Research on the Improvement of Water Retention, Anti-Erosion and Mechanical Properties of Aeolian Sand Slopes Under the Synergistic Effect of Xanthan Gum and Water Retention Agents
Research on the Improvement of Water Retention, Anti-Erosion and Mechanical Properties of Aeolian Sand Slopes Under the Synergistic Effect of Xanthan Gum and Water Retention Agents Open
Aeolian sand slopes in the Fugu area of Yulin, Shaanxi Province, China, are prone to rainfall-induced erosion because of the loose structure and low water-holding capacity of the sand, which constrains long-term, sustainable ecological res…
View article: Mild cognitive impairment among older adults in outpatient clinics: Awareness and knowledge needs survey
Mild cognitive impairment among older adults in outpatient clinics: Awareness and knowledge needs survey Open
View article: The Latest Research Progress of Attention Mechanism in Deep Learning
The Latest Research Progress of Attention Mechanism in Deep Learning Open
With the development of artificial intelligence and deep learning, the attention mechanism has become a key technology for enhancing the performance of complex tasks. This paper reviews the evolution of attention mechanisms, including soft…
View article: Causal relationships between dietary factors and spinal diseases: a univariable and multivariable Mendelian randomization study
Causal relationships between dietary factors and spinal diseases: a univariable and multivariable Mendelian randomization study Open
Background Spinal diseases and their associated symptoms are prevalent across all age groups, and their incidence severely affects countless individuals’ quality of life. The role of daily habits in the progression of these diseases is inc…
View article: Hypergraph-Regularized Deep Stochastic Configuration Networks for Speech-Based Depression Detection
Hypergraph-Regularized Deep Stochastic Configuration Networks for Speech-Based Depression Detection Open
View article: Caldibacillus thermoamylovorans, the thermophilic bacterium separated from raw milk, would be the crucial spoiler of dairy products
Caldibacillus thermoamylovorans, the thermophilic bacterium separated from raw milk, would be the crucial spoiler of dairy products Open
View article: Chain hybrid feature selection algorithm based on improved Grey Wolf Optimization algorithm
Chain hybrid feature selection algorithm based on improved Grey Wolf Optimization algorithm Open
Hybrid feature selection algorithm is a strategy that combines different feature selection methods aiming to overcome the limitations of a single feature selection method and improve the effectiveness and performance of feature selection. …
View article: Observation of the Electromagnetic Dalitz Transition $h_c \rightarrow e^+e^-η_c$
Observation of the Electromagnetic Dalitz Transition $h_c \rightarrow e^+e^-η_c$ Open
Using $(27.12\pm 0.14)\times10^8$ $ψ(3686)$ decays and data samples of $e^+e^-$ collisions with $\sqrt{s}$ from 4.130 to 4.780~GeV collected with the BESIII detector, we report the first observation of the electromagnetic Dalitz transition…
View article: Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> decays to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math>
Observation of decays to and Open
Using a data sample of 4.481×108 ψ(3686) events collected with the BESIII detector, we report the first observation of the four-lepton-decays J/ψ→e+e−e+e− and J/ψ→e+e−μ+μ− utilizing the process ψ(3686)→π+π−J/ψ. The branching fractions are…
View article: A Hybrid Feature Selection Algorithm Based on Collision Principle and Adaptability
A Hybrid Feature Selection Algorithm Based on Collision Principle and Adaptability Open
Feature selection plays a significant role in machine learning and data mining, where the goal is to screen out the most representative and relevant subset of features from a large collection of features to improve the performance and gene…
View article: Measurement of the absolute branching fraction of the inclusive decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mover accent="true"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>c</mml:mi><mml:mo>−</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mover accent="true"><mml:mi>n</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mo>+</mml:mo><mml:mi>X</mml:mi></mml:math>
Measurement of the absolute branching fraction of the inclusive decay Open
Based on e+e− collision data corresponding to an integrated luminosity of 4.5 fb−1 collected at the center-of-mass energies between 4.600 and 4.699 GeV with the BESIII detector at BEPCII, the absolute branchingfractionoftheinclusivedecayΛ ̄…
View article: Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>ψ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3770</mml:mn><mml:mo stretchy="false">)</mml:mo><mml:mo stretchy="false">→</mml:mo><mml:mi>η</mml:mi><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:mrow></mml:math>
Observation of Open
Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, the Born cross section of the process e+e- → ηJ/ψ at a center-of-mass energy sqrt(s) = 3.773 GeV is measured to be (8.88 pm 0.87 pm 0.42) pb. We f…
View article: Helicity amplitude analysis of χcJ → ϕϕ
Helicity amplitude analysis of χcJ → ϕϕ Open
View article: Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:mi>ϕ</mml:mi><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math> cross sections at center-of-mass energies between 3.508 and 4.600 GeV
Measurement of cross sections at center-of-mass energies between 3.508 and 4.600 GeV Open
We present a measurement of the dressed cross sections for e+e- -> phi eta at different center-of-mass energies between 3.508 and 4.600 GeV based on 15.1 fb-1 of e+e- annihilation data collected with the BESIII detector operating at the…
View article: Amplitude analysis and branching-fraction measurement of ${D}_s^{+}\\to {K}_S^0{\\pi}^{+}{\\pi}^0$
Amplitude analysis and branching-fraction measurement of ${D}_s^{+}\\to {K}_S^0{\\pi}^{+}{\\pi}^0$ Open
By using 6.32 fb-1 of data collected with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we perform an amplitude analysis of the decay $D^+_s$→$K^0_Sπ^+π^0$ and determine the relative fractions and p…
View article: Study of η(1405)/η(1475) in $$ J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 $$ decay
Study of η(1405)/η(1475) in $$ J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 $$ decay Open
View article: Study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi mathvariant="normal">Ω</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mover accent="true"><mml:mi mathvariant="normal">Ω</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mo>+</mml:mo></mml:msup></mml:math> at center-of-mass energies from 3.49 to 3.67 GeV
Study of at center-of-mass energies from 3.49 to 3.67 GeV Open
Using data samples of e+e- collisions collected with the BESIII detector at eight center-of-mass energy points between 3.49 and 3.67 GeV, corresponding to an integrated luminosity of 670 pb-1, we present the upper limits of Born cross sect…
View article: Search for the weak radiative decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi mathvariant="normal">Σ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mi>γ</mml:mi></mml:math> at BESIII
Search for the weak radiative decay at BESIII Open
The Cabibbo-allowed weak radiative decay $Λ^+_c$ → Σ+γ has been searched for in a sample of $Λ^+_c$$\\overline{Λ}^-_c$ pairs produced in e+e- annihilations, corresponding to an integrated luminosity of 4.5…
View article: Erratum to: Search for new hadronic decays of hc and observation of $$ {h}_c\to p\overline{p}\eta $$
Erratum to: Search for new hadronic decays of hc and observation of $$ {h}_c\to p\overline{p}\eta $$ Open
A search for the hadronic decays of the hc meson to the final states (Formula Presented.) via the process (Formula Presented.)is performed using (4.48 ± 0.03) × 108 (3686) events collected with the BESIII detector. The decay channel hc !(F…
View article: Measurement of branching fraction of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mrow><mml:mo>*</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> relative to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mo>*</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:mi>γ</mml:mi></mml:mrow></mml:math>
Measurement of branching fraction of relative to Open
Based on 7.33 fb-1 of e+e- collision data taken at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we measure the branching fraction of $D^*_s$+ → $D^+_s$ π0
View article: Evidence for the Cusp Effect in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:math> Decays into <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>η</mml:mi><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>
Evidence for the Cusp Effect in Decays into Open
Using a sample of 4.3×10^{5} η^{'}→ηπ^{0}π^{0} events selected from the ten billion J/ψ event dataset collected with the BESIII detector, we study the decay η^{'}→ηπ^{0}π^{0} within the framework of nonrelativistic effective field theory. …
View article: Search for invisible decays of a dark photon using e+e− annihilation data at BESIII
Search for invisible decays of a dark photon using e+e− annihilation data at BESIII Open
View article: Measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mi>J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi></mml:math> cross section in the vicinity of 3.872 GeV
Measurement of the cross section in the vicinity of 3.872 GeV Open
We report a measurement of the cross section for the process e+e- → π+π-$J/ψ$ around the X(3872) mass in search for the direct formation of e+e- → X(3872) through the two-…
View article: Observation of *
Observation of * Open
Using data taken at 29 center-of-mass energies between 4.16 and 4.70 GeV with the BESIII detector at the Beijing Electron Positron Collider corresponding to a total integrated luminosity of approximately 18.8 , th…
View article: Measurement of e+e− → ωπ+π− cross section at $$ \sqrt{s} $$ = 2.000 to 3.080 GeV
Measurement of e+e− → ωπ+π− cross section at $$ \sqrt{s} $$ = 2.000 to 3.080 GeV Open
View article: Search for hyperon <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">Δ</mml:mi><mml:mi>S</mml:mi><mml:mo>=</mml:mo><mml:mi mathvariant="normal">Δ</mml:mi><mml:mi>Q</mml:mi></mml:math> violating decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi mathvariant="normal">Ξ</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi mathvariant="normal">Σ</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>e</mml:mi></mml:msub></mml:math>
Search for hyperon violating decay Open
Using a data sample of (1.0087 ± 0.0044) × 1010 $J/ψ$ decay events collected with the BESIII detector at the center-of-mass energy of $\\sqrt{s}$ =3.097 GeV, we present a search for the hyperon semileptonic decay Ξ0 →…
View article: Study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ψ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3686</mml:mn><mml:mo stretchy="false">)</mml:mo><mml:mo stretchy="false">→</mml:mo><mml:mi mathvariant="normal">Λ</mml:mi><mml:mover accent="true"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>ω</mml:mi></mml:math>
Study of Open
Based on a data sample of (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector at the BEPCII collider, the branching fraction of ψ(3686)→ΛΛ ̄ω is measured to be (3.30±0.34(stat)±0.29(syst))×10-5 for the first time. In addition,…
View article: First observation of the semileptonic decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi>p</mml:mi><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>e</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msub><mml:mrow><mml:mi>ν</mml:mi></mml:mrow><mml:mrow><mml:mi>e</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>
First observation of the semileptonic decay Open
Using 4.5 fb-1 of e+e- annihilation data samples collected at the center-of-mass energies ranging from 4.600 GeV to 4.699 GeV with the BESIII detector at the BEPCII collider, a first study of the semileptonic decays Λc+→pK-e+νe, Λc+→Λ(1520…
View article: Search for baryon and lepton number violating decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mo>±</mml:mo></mml:mrow></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:mi>n</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mover accent="true"><mml:mrow><mml:mi>n</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mrow></mml:mover><mml:mo stretchy="false">)</mml:mo><mml:msup><mml:mrow><mml:mi>e</mml:mi></mml:mrow><mml:mrow><mml:mo>±</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>
Search for baryon and lepton number violating decay Open
Using a data set of electron-positron collisions corresponding to an integrated luminosity of 293 fb-1 taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, a search for the baryon (B) and lepton (L) number vio…
View article: Search for the semileptonic decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>e</mml:mi></mml:msub></mml:math>
Search for the semileptonic decay Open
We present the first search for the semileptonic decay Ds+→π0e+νe using a data sample of electron-positron collisions recorded with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, corresponding to an integrated …