Xiaonan Li
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View article: Partial wave analysis 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>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>/</mml:mo> <mml:mi>ψ</mml:mi> </mml:math> and cross section 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:msup> <mml:mi>π</mml:mi> <mml:mo>±</mml:mo> </mml:msup> <mml:msub> <mml:mi>Z</mml:mi> <mml:mi>c</mml:mi> </mml:msub> <mml:mo stretchy="false">(</mml:mo> <mml:mn>3900</mml:mn> <mml:msup> <mml:mo stretchy="false">)</mml:mo> <mml:mo>∓</mml:mo> </mml:msup> </mml:math> from 4.1271 to 4.3583 GeV
Partial wave analysis of and cross section measurement of from 4.1271 to 4.3583 GeV Open
Based on 12.0 fb − 1 of e + e − collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analysis is performed for the process e + e − → π + π − …
View article: Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes
Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes Open
The Giant Radio Array for Neutrino Detection (GRAND) is a proposed multi-messenger observatory of ultra-high-energy (UHE) particles of cosmic origin. Its main goal is to find the long-sought origin of UHE cosmic rays by detecting large num…
View article: Population Genomic Analysis Provides Insights Into the Evolution and Conservation of Two Critically Endangered Musk Deer Species
Population Genomic Analysis Provides Insights Into the Evolution and Conservation of Two Critically Endangered Musk Deer Species Open
Musk deer ( Moschus ), the sole genus in the family Moschidae, are critically endangered and face an uncertain future due to the limited understanding of their taxonomy, evolutionary history, genetic load, and adaptive evolution. These kno…
View article: Reference interval of serum uric acid among healthy children and adolescents in Nanjing, China, and influencing factors
Reference interval of serum uric acid among healthy children and adolescents in Nanjing, China, and influencing factors Open
The distributions of SUA levels are age and gender-specific among healthy children and adolescents in Nanjing, China. The established distinct reference interval of SUA and diagnostic criteria for hyperuricemia in this population may assis…
View article: The Electromagnetic Form Factors of Pseudoscalar Mesons within the Light-Front Quark Model
The Electromagnetic Form Factors of Pseudoscalar Mesons within the Light-Front Quark Model Open
In this paper, we investigate the electromagnetic form factors (EMFFs) and charge radii of pseudoscalar mesons within the light-front quark model (LFQM). Using parameters derived from the confinement of mesonic decay constants, we obtain n…
View article: Experimental Technique for Modeling Multi-Field Coupled Transport in Multi-Fracture Geothermal Reservoirs
Experimental Technique for Modeling Multi-Field Coupled Transport in Multi-Fracture Geothermal Reservoirs Open
In the operation of enhanced geothermal systems (EGSs), complex physical and chemical coupling processes, which are crucial for the efficient exploitation of geothermal energy, are involved. In situ studies of multi-fracture hot dry rocks …
View article: A Review of Three-Dimensional Electric Field Sensors
A Review of Three-Dimensional Electric Field Sensors Open
Three-dimensional electric field sensors (3D EFSs) can simultaneously measure electric field components in three mutually orthogonal directions and comprehensively capture the spatial distribution and dynamic changes of the electric field.…
View article: Observation of an Altered $a_{0}(980)$ Line-shape in $D^{+} \rightarrow π^{+}ηη$ due to the Triangle Loop Rescattering Effect
Observation of an Altered $a_{0}(980)$ Line-shape in $D^{+} \rightarrow π^{+}ηη$ due to the Triangle Loop Rescattering Effect Open
Using 20.3~${\rm fb}^{-1}$ of $e^{+}e^{-}$ collision data taken with the BESIII detector at the center-of-mass energy 3.773~GeV, we report the first amplitude analysis of the hadronic decay $D^{+} \rightarrow π^{+}ηη$. The intermediate pro…
View article: The $ρ$-meson electromagnetic form factors within the light-front quark model
The $ρ$-meson electromagnetic form factors within the light-front quark model Open
In this paper, we study the $ρ$-meson electromagnetic form factors (EMFFs) within the framework of light-front quark model (LFQM). The physical form factors $G_{C,M,Q}(Q^2)$ of $ρ$-meson as well as the charged square radius $\langle r^2\ra…
View article: A 3D DC Electric Field Meter Based on Sensor Chips Packaged Using a Highly Sensitive Scheme
A 3D DC Electric Field Meter Based on Sensor Chips Packaged Using a Highly Sensitive Scheme Open
This study presents a 3D DC electric field meter (EFM) that uses three identical 1D MEMS chips. The shielding electrodes and sensing electrodes of the MEMS chips employ a combination of rigid frames and short strip-type beams to improve vi…
View article: Amplitude analysis of $ψ(3686)\to γK_S^0 K_S^0 $
Amplitude analysis of $ψ(3686)\to γK_S^0 K_S^0 $ Open
Using $(2712\pm14)\times10^6$ $ψ(3686)$ events collected with the BESIII detector, we perform the first amplitude analysis of the radiative decay $ψ(3686)\to γK_S^0 K_S^0$ within the mass region $M_{K_S^0 K_S^0 }<2.8$ GeV/$c^2$. Employing …
View article: Accuracy of Capillary Blood for Assessing Vitamin A Nutritional Status Among Children Under 7 Years of Age: A Multicenter Study
Accuracy of Capillary Blood for Assessing Vitamin A Nutritional Status Among Children Under 7 Years of Age: A Multicenter Study Open
Vitamin A deficiency remains a major public health problem worldwide, particularly among young children. Capillary blood has the potential for application in vitamin A assessment. The aim of this study is to validate the accuracy of capill…
View article: Observation of a spectral hardening in cosmic ray boron spectrum with the DAMPE space mission
Observation of a spectral hardening in cosmic ray boron spectrum with the DAMPE space mission Open
Secondary cosmic ray fluxes are important probes of the propagation and interaction of high-energy particles in the Galaxy. Recent measurements of primary and secondary cosmic ray nuclei have revealed unexpected spectral features that dema…
View article: An Old Uighur balividhi Fragment Unearthed from the Northern Grottoes of Dūnhuáng
An Old Uighur balividhi Fragment Unearthed from the Northern Grottoes of Dūnhuáng Open
Photographs of the recto side of the manuscript fragment B121:38 in Old Uighur, which was excavated from the northern section of the Dūnhuáng Mògāo Caves, were published in the second volume of The Northern Grottoes of Mògāo Caves. Because…
View article: [Research and implementation of intelligent diagnostic system for temporomandibular joint disorder].
[Research and implementation of intelligent diagnostic system for temporomandibular joint disorder]. Open
Temporomandibular joint disorder (TMD) is a common oral and maxillofacial disease, which is difficult to detect due to its subtle early symptoms. In this study, a TMD intelligent diagnostic system implemented on edge computing devices was …
View article: Hadronic cross section measurements with the DAMPE space mission using 20GeV-10TeV cosmic-ray protons and $^4$He
Hadronic cross section measurements with the DAMPE space mission using 20GeV-10TeV cosmic-ray protons and $^4$He Open
Precise direct cosmic-ray (CR) measurements provide an important probe to study the energetic particle sources in our Galaxy, and the interstellar environment through which these particles propagate. Uncertainties on hadronic models, ion-n…
View article: Kucha and Termez—Caves for Mindful Pacing and Seated Meditation
Kucha and Termez—Caves for Mindful Pacing and Seated Meditation Open
In this paper, by comparing the archaeological remains of meditation caves in Kucha and Termez and by referring to Buddhist literature, we aim at gaining a better understanding of how meditation was practiced in both regions. In Kucha and …
View article: Search for the rare decay $J/ψ\to γD^0+c.c.$ at BESIII
Search for the rare decay $J/ψ\to γD^0+c.c.$ at BESIII Open
Using $(10087\pm44)\times10^6J/ψ$ events collected with the BESIII detector, we search for the rare decay $J/ψ\to γD^0+c.c.$ for the first time. No obvious signal is observed and the upper limit on the branching fraction is determined to b…
View article: Observation of $η_{c}(2S) \to K^{+}K^{-}η$
Observation of $η_{c}(2S) \to K^{+}K^{-}η$ Open
By analyzing $(27.12 \pm 0.14)\times10^{8}$ $ψ(3686)$ events accumulated with the BESIII detector, the decay $η_{c}(2S) \to K^{+} K^{-} η$ is observed for the first time with a significance of $6.2σ$ after considering systematic uncertaint…
View article: Effect of multiple injection optimization on combustion characteristics of low-pressure EGR system engine
Effect of multiple injection optimization on combustion characteristics of low-pressure EGR system engine Open
In recent years, reducing oil consumption and pollutant discharge in transportation industry has become an important measure to alleviate energy crisis and environmental pollution. Therefore, the fuel economy and emission characteristics o…
View article: Observation of the singly Cabibbo suppressed decay $D^0\to b_1(1235)^- e^+ν_e$ and evidence for $D^+\to b_1(1235)^0 e^+ν_e$
Observation of the singly Cabibbo suppressed decay $D^0\to b_1(1235)^- e^+ν_e$ and evidence for $D^+\to b_1(1235)^0 e^+ν_e$ Open
By analyzing a data sample of $e^+e^-$ collisions with center-of-mass energy $\sqrt{s}=3.773$~GeV, corresponding to an integrated luminosity of $7.9~\rm {fb}^{-1}$ collected with the BESIII detector operating at the BEPCII collider, we stu…
View article: Study of the decay and production properties of $D_{s1}(2536)$ and $D_{s2}^*(2573)$
Study of the decay and production properties of $D_{s1}(2536)$ and $D_{s2}^*(2573)$ Open
The $e^+e^-\rightarrow D_s^+D_{s1}(2536)^-$ and $e^+e^-\rightarrow D_s^+D^*_{s2}(2573)^-$ processes are studied using data samples collected with the BESIII detector at center-of-mass energies from 4.530 to 4.946~GeV. The absolute branchin…
View article: Inferior Alveolar Nerve Canal Segmentation on CBCT Using U-Net with Frequency Attentions
Inferior Alveolar Nerve Canal Segmentation on CBCT Using U-Net with Frequency Attentions Open
Accurate inferior alveolar nerve (IAN) canal segmentation has been considered a crucial task in dentistry. Failing to accurately identify the position of the IAN canal may lead to nerve injury during dental procedures. While IAN canals can…
View article: A New Malicious Code Classification Method for the Security of Financial Software
A New Malicious Code Classification Method for the Security of Financial Software Open
The field of finance heavily relies on cybersecurity to safeguard its systems and clients from harmful software.The identification of malevolent code within financial software is vital for protecting both the financial system and individua…
View article: Rapid Growth of the CO<sub>2</sub> Hydrate Induced by Mixing Trace Tetrafluoroethane
Rapid Growth of the CO<sub>2</sub> Hydrate Induced by Mixing Trace Tetrafluoroethane Open
Rapid formation of the CO2 hydrate can be significantly induced by the gaseous thermodynamic promoter 1,1,1,2-tetrafluoroethane(R134a) due to the mild phase equilibrium conditions, although the formation mechanism and dynamic behavior are …
View article: Environmental radon control in the 700-m underground laboratory at JUNO
Environmental radon control in the 700-m underground laboratory at JUNO Open
The Jiangmen Underground Neutrino Observatory is building the world's largest liquid scintillator detector with a 20 kt target mass and about 700 m overburden. The total underground space of civil construction is about 300,000 m$^3$ with t…
View article: Observation of $D^{+}\to K_{S}^{0}a_{0}(980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0}π^+η$
Observation of $D^{+}\to K_{S}^{0}a_{0}(980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0}π^+η$ Open
We perform for the first time an amplitude analysis of the decay $D^{+}\to K_{S}^{0}π^+η$ and report the observation of the decay $D^{+}\to K_{S}^{0}a_{0}(980)^{+}$ using 2.93 fb$^{-1}$ of $e^+e^-$ collision data taken at a center-of-mass …
View article: Simultaneous and panchromatic observations of the fast radio burst FRB 20180916B
Simultaneous and panchromatic observations of the fast radio burst FRB 20180916B Open
Aims. Fast radio bursts are bright radio transients whose origins are not yet understood. The search for a multi-wavelength counterpart of those events can set a tight constraint on the emission mechanism and the progenitor source. Methods…