Yonglin Ju
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View article: Search for Light Dark Matter with 259 Days of Data in PandaX-4T
Search for Light Dark Matter with 259 Days of Data in PandaX-4T Open
We present a search for light dark matter particles through their interactions with atomic electrons and nucleons, utilizing PandaX-4T data with an effective exposure of 1.04 tonne · year for ionization-only data and 1.20 ton…
View article: Accelerate Scaling of LLM Finetuning via Quantifying the Coverage and Depth of Instruction Set
Accelerate Scaling of LLM Finetuning via Quantifying the Coverage and Depth of Instruction Set Open
Scaling the amount of data used for supervied fine-tuning(SFT) does not guarantee the proportional gains in model performance, highlighting a critical need to understand what makes training samples effective. This work identifies two funda…
View article: Synergistic degradation of catechin and minocycline hydrochloride in alkaline solution
Synergistic degradation of catechin and minocycline hydrochloride in alkaline solution Open
Minocycline hydrochloride (MCH) is a broad-spectrum antibiotic commonly found in aquatic environments that can adversely affect aquatic ecosystems. Catechin, known for its low chemical stability, can undergo oxidative degradation under alk…
View article: An unsymmetric 4-node quadrilateral Reissner–Mindlin plate element using radial–polynomial interpolation for linear and nonlinear analyses
An unsymmetric 4-node quadrilateral Reissner–Mindlin plate element using radial–polynomial interpolation for linear and nonlinear analyses Open
View article: Precise Measurement of $^{216}$Po Half-life with Exact Parent-daughter Pairing in PandaX-4T
Precise Measurement of $^{216}$Po Half-life with Exact Parent-daughter Pairing in PandaX-4T Open
We report a precise measurement of $^{216}\rm Po$ half-life using the PandaX-4T liquid xenon time projection chamber (TPC). $^{220}\rm Rn $, emanating from a $^{228}\rm Th $ calibration source, is injected to the detector and undergoes suc…
View article: Scaling Towards the Information Boundary of Instruction Set: InfinityInstruct-Subject Technical Report
Scaling Towards the Information Boundary of Instruction Set: InfinityInstruct-Subject Technical Report Open
Instruction tuning has become a foundation for unlocking the capabilities of large-scale pretrained models and improving their performance on complex tasks. Thus, the construction of high-quality instruction datasets is crucial for enhanci…
View article: A Novel Petrov‐Galerkin 4‐Node Quadrilateral Element With Radial Polynomial Interpolation for Linear Elastic Analysis
A Novel Petrov‐Galerkin 4‐Node Quadrilateral Element With Radial Polynomial Interpolation for Linear Elastic Analysis Open
Based on the virtual work principle, a novel Petrov‐Galerkin 4‐node quadrilateral element is proposed in this article with different sets of test and trial functions. The virtual displacements are assumed by standard isoparametric interpol…
View article: Measurement of two-neutrino double electron capture half-life of 124Xe with PandaX-4T
Measurement of two-neutrino double electron capture half-life of 124Xe with PandaX-4T Open
A bstract Detailed studies of two-neutrino double electron capture (2 ν DEC) is a crucial step towards searching for the neutrinoless mode to explore the Majorana nature of neutrinos. We have measured precisely the half-life of the 2 ν DEC…
View article: Search for double beta decay of 136Xe to the $$ {0}_1^{+} $$ excited state of 136Ba with PandaX-4T
Search for double beta decay of 136Xe to the $$ {0}_1^{+} $$ excited state of 136Ba with PandaX-4T Open
A bstract We perform a search of double beta decay of 136 Xe to the excited state, $$ {0}_1^{+} $$ , of 136 Ba (2 νββ - $$ {0}_1^{+} $$ ), using the dual-phase xenon detector of PandaX-4T with the first 94.9-day commissioning dat…
View article: Search for Solar Boosted Dark Matter Particles at the PandaX-4T Experiment
Search for Solar Boosted Dark Matter Particles at the PandaX-4T Experiment Open
We present a novel constraint on light dark matter utilizing 1.54 metric ton/year of data acquired from the PandaX-4T dual-phase xenon time projection chamber. This constraint is derived through detecting electronic recoil signals resultin…
View article: Exploiting Contextual Knowledge in LLMs through V-usable Information based Layer Enhancement
Exploiting Contextual Knowledge in LLMs through V-usable Information based Layer Enhancement Open
Large Language Models (LLMs) have demonstrated remarkable capabilities in various tasks, yet they often struggle with context-faithfulness generations that properly reflect contextual knowledge. While existing approaches focus on enhancing…
View article: Search for lepton portal dark matter in the PandaX-4T experiment
Search for lepton portal dark matter in the PandaX-4T experiment Open
We report a search for a lepton-portal dark matter model, where dark matter couples to a charged lepton in the standard model. This simplified model naturally leads to photon-mediated dark matter interactions with nuclei, making it suitabl…
View article: Injectable PRP-Enriched photosensitive hydrogel: Enhanced prevention and infection control in anastomotic leaks
Injectable PRP-Enriched photosensitive hydrogel: Enhanced prevention and infection control in anastomotic leaks Open
The occurrence of anastomotic leakage (AL) could lead to leakage of digestive fluid, which erodes surrounding organs, subsequently causing severe intra-abdominal infections, hemorrhaging, and even death. Preventing AL was crucial for signi…
View article: Search for MeV-Scale Axionlike Particles and Dark Photons with PandaX-4T
Search for MeV-Scale Axionlike Particles and Dark Photons with PandaX-4T Open
Axionlike particles (ALPs) and dark photons (DPs) are viable dark matter particle candidates. We have searched for possible ALP/DP signals in the PandaX-4T liquid xenon detector using 440 kg·yr of data. A binned likelihood fit is construc…
View article: Position reconstruction and surface background model for the PandaX-4T detector
Position reconstruction and surface background model for the PandaX-4T detector Open
We report the position reconstruction methods and surface background model for the PandaX-4T dark matter direct search experiment. This work develops two position reconstruction algorithms: template matching (TM) method and photon acceptan…
View article: Search for Double Beta Decay of $^{136}$Xe to the $0^+_1$ Excited State of $^{136}$Ba with PandaX-4T
Search for Double Beta Decay of $^{136}$Xe to the $0^+_1$ Excited State of $^{136}$Ba with PandaX-4T Open
We perform a search of double beta decay of $^{136}$Xe to the excited state, $0^+_1$, of $^{136}$Ba (2$νββ$-0$_1^+$), using the dual-phase xenon detector of PandaX-4T with the first 94.9-day commissioning data. The multi-site events are re…
View article: Exploring New Physics with PandaX-4T Low Energy Electronic Recoil Data
Exploring New Physics with PandaX-4T Low Energy Electronic Recoil Data Open
New particles beyond the standard model of particle physics, such as axions, can be effectively searched through their interactions with electrons. We use the large liquid xenon detector PandaX-4T to search for novel electronic recoil sign…
View article: Dark Matter Search Results from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>1.54</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>Tonne</mml:mi><mml:mo>·</mml:mo><mml:mi>Year</mml:mi></mml:mrow></mml:math> Exposure of PandaX-4T
Dark Matter Search Results from Exposure of PandaX-4T Open
In this Letter, we report the dark matter search results from the commissioning run (Run0) and the first science run (Run1) of the PandaX-4T experiment. The two datasets were processed with a unified procedure, with the Run1 data treated b…
View article: Exploiting Contextual Knowledge in LLMs through 𝒱-usable Information based Layer Enhancement
Exploiting Contextual Knowledge in LLMs through 𝒱-usable Information based Layer Enhancement Open
View article: Search for Solar Boosted Dark Matter Particles at the PandaX-4T Experiment
Search for Solar Boosted Dark Matter Particles at the PandaX-4T Experiment Open
We present a novel constraint on light dark matter utilizing $1.54$ tonne$\cdot$year of data acquired from the PandaX-4T dual-phase xenon time projection chamber. This constraint is derived through detecting electronic recoil signals resul…
View article: Searching for Neutrinoless Double-Beta Decay of $^{136}$Xe with PandaX-4T
Searching for Neutrinoless Double-Beta Decay of $^{136}$Xe with PandaX-4T Open
We report the search for neutrinoless double-beta decay of $^{136}$Xe from the PandaX-4T experiment with a 3.7-tonne natural xenon target. The data reconstruction and the background modeling are optimized in the MeV energy region. A blind …
View article: Measurement of two-neutrino double electron capture half-life of $^{124}$Xe with PandaX-4T
Measurement of two-neutrino double electron capture half-life of $^{124}$Xe with PandaX-4T Open
Detailed studies of two-neutrino double electron capture (2$ν$DEC) is a crucial step towards searching for the neutrino-less mode to explore the Majorana nature of neutrinos. We have measured precisely the half-life of the 2$ν$DEC process …
View article: First Indication of Solar <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">B</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>8</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> Neutrinos through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T
First Indication of Solar Neutrinos through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T Open
The PandaX-4T liquid xenon detector at the China Jinping Underground Laboratory is used to measure the solar B
View article: Search for Cosmic-Ray Boosted Sub-MeV Dark-Matter–Electron Scattering in PandaX-4T
Search for Cosmic-Ray Boosted Sub-MeV Dark-Matter–Electron Scattering in PandaX-4T Open
We report the first search for the elastic scatterings between cosmic-ray boosted sub-MeV dark matter (DM) and electrons in the PandaX-4T liquid xenon experiment. Sub-MeV DM particles can be accelerated by scattering with electrons in the …
View article: Search for MeV-Scale Axionlike Particles and Dark Photons with PandaX-4T
Search for MeV-Scale Axionlike Particles and Dark Photons with PandaX-4T Open
Axionlike particles (ALPs) and dark photons (DPs) are viable dark matter particle candidates. We have searched for possible ALP/DP signals in the PandaX-4T liquid xenon detector using 440 kg$\cdot$yr of data. A binned likelihood fit is con…
View article: Exploring New Physics with PandaX-4T Low Energy Electronic Recoil Data
Exploring New Physics with PandaX-4T Low Energy Electronic Recoil Data Open
New particles beyond the standard model of particle physics, such as axions, can be effectively searched through their interactions with electrons. We use the large liquid xenon detector PandaX-4T to search for novel electronic recoil sign…
View article: Dark Matter Search Results from 1.54 Tonne$\cdot$Year Exposure of PandaX-4T
Dark Matter Search Results from 1.54 Tonne$\cdot$Year Exposure of PandaX-4T Open
In this letter, we report the dark matter search results from the commissioning run and the first science run of the PandaX-4T experiment. A blind analysis is carried out on the entire data set. The data processing is improved compared to …
View article: First Indication of Solar $^8$B Neutrino Flux through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T
First Indication of Solar $^8$B Neutrino Flux through Coherent Elastic Neutrino-Nucleus Scattering in PandaX-4T Open
The PandaX-4T liquid xenon detector at the China Jinping Underground Laboratory is used to measure the solar $^8$B neutrino flux by detecting neutrinos through coherent scattering with xenon nuclei. Data samples requiring the coincidence o…
View article: Search for Cosmic-ray Boosted Sub-MeV Dark-Matter-Electron Scattering in PandaX-4T
Search for Cosmic-ray Boosted Sub-MeV Dark-Matter-Electron Scattering in PandaX-4T Open
We report the first search for the elastic scatterings between cosmic-ray boosted sub-MeV dark matter and electrons in the PandaX-4T liquid xenon experiment. Sub-MeV dark matter particles can be accelerated by scattering with electrons in …
View article: Detecting Neutrinos from Supernova Bursts in PandaX-4T
Detecting Neutrinos from Supernova Bursts in PandaX-4T Open
Neutrinos from core-collapse supernovae are essential for the understanding of neutrino physics and stellar evolution. The dual-phase xenon dark matter detectors can provide a way to track explosions of galactic supernovae by detecting neu…