Zhen Liu
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View article: Adaptive intelligent three-dimensional modeling method for hazard-avoidance routing in linear infrastructure
Adaptive intelligent three-dimensional modeling method for hazard-avoidance routing in linear infrastructure Open
Linear infrastructures, due to their extensive spatial reach, making hazard avoidance a critical and decisive aspect of route planning. However, current hazard avoidance design methods remain largely dependent on existing regional maps and…
View article: AMCR: A Framework for Assessing and Mitigating Copyright Risks in Generative Models
AMCR: A Framework for Assessing and Mitigating Copyright Risks in Generative Models Open
Generative models have achieved impressive results in text to image tasks, significantly advancing visual content creation. However, this progress comes at a cost, as such models rely heavily on large-scale training data and may unintentio…
View article: Temporally Detailed Hypergraph Neural ODEs for Type 2 Diabetes Progression Modeling
Temporally Detailed Hypergraph Neural ODEs for Type 2 Diabetes Progression Modeling Open
Disease progression modeling aims to characterize and predict how a patient's disease complications worsen over time based on longitudinal electronic health records (EHRs). Accurate modeling of disease progression, such as type 2 diabetes,…
View article: Improved Dark Photon Sensitivity from the Dark SRF Experiment
Improved Dark Photon Sensitivity from the Dark SRF Experiment Open
We report the refined dark-photon exclusion bound from Dark SRF's pathfinder run. Our new result is driven by improved theoretical modeling of frequency instability in high-quality resonant experiments. Our analysis leads to a constraint t…
View article: Interface defect engineering enables high-performance lead-free perovskite photodetectors with an ultrafast response and broadband sensitivity
Interface defect engineering enables high-performance lead-free perovskite photodetectors with an ultrafast response and broadband sensitivity Open
Lead-free halide perovskites have emerged as “rising star” photoactive materials for photodetection applications, owing to their superior optoelectronic properties and environmental benignity. Among these photodetectors, devices based on t…
View article: Heavy QCD Axions at High-Energy Muon Colliders
Heavy QCD Axions at High-Energy Muon Colliders Open
We study the physics potential of heavy QCD axions at high-energy muon colliders. Unlike typical axion-like particles, heavy QCD axions solve the strong CP problem with phenomenology driven by the anomalous gluon ($aG\widetilde G$) couplin…
View article: AMCR: A Framework for Assessing and Mitigating Copyright Risks in Generative Models
AMCR: A Framework for Assessing and Mitigating Copyright Risks in Generative Models Open
Generative models have achieved impressive results in text to image tasks, significantly advancing visual content creation. However, this progress comes at a cost, as such models rely heavily on large-scale training data and may unintentio…
View article: Muon Colliders and the Neutrino Slice
Muon Colliders and the Neutrino Slice Open
Muon colliders provide an exciting new direction to expand the energy frontier of particle physics. We point out a new use of these facilities for neutrino and beyond the standard model physics using their main detectors. Muon decays along…
View article: On-shell recursion relations for higher-spin Compton amplitudes
On-shell recursion relations for higher-spin Compton amplitudes Open
We recursively construct tree-level electromagnetic and gravitational Compton amplitudes of higher-spin massive particles by the all-line transverse momentum shift. With three-point amplitude as input, we demonstrate that higher-point elec…
View article: Probing millicharged particles at an electron beam dump with ultralow-threshold sensors
Probing millicharged particles at an electron beam dump with ultralow-threshold sensors Open
A bstract We propose to search for millicharged particles produced in high-intensity electron beam dumps using small ultralow-threshold sensors. As a concrete example, we consider a Skipper-CCD placed behind the beam dump in Hall A at Jeff…
View article: MATHUSLA: An External Long-Lived Particle Detector to Maximize the Discovery Potential of the HL-LHC
MATHUSLA: An External Long-Lived Particle Detector to Maximize the Discovery Potential of the HL-LHC Open
We present the current status of the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle (LLP) detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. MATHUSLA40 is …
View article: Conceptual Design Report for the MATHUSLA Long-Lived Particle Detector near CMS
Conceptual Design Report for the MATHUSLA Long-Lived Particle Detector near CMS Open
We present the Conceptual Design Report (CDR) for the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. MAT…
View article: Focal spot diagnostic of pulsed planar anticathode accelerator with compressed streak imaging
Focal spot diagnostic of pulsed planar anticathode accelerator with compressed streak imaging Open
The spatial-temporal distribution of the focal spot is a key characteristic for evaluating a pulsed accelerator. However, the small number of frames and the low frame frequency limit the accurate analysis of the focal spot evolution proces…
View article: An Omnidirectional, High Power Density Magneto–Mechano–Electric Energy Harvester Using PNN–PZT Piezoceramic Operating in Decoupling Bending Mode
An Omnidirectional, High Power Density Magneto–Mechano–Electric Energy Harvester Using PNN–PZT Piezoceramic Operating in Decoupling Bending Mode Open
Magneo‐mechano‐electric energy harvesters (MME‐EHs) capture stray magnetic and weak vibration energy from power lines and vehicles. However, efficiently harvesting microenergy from randomly oriented stray magnetic fields remains challengin…
View article: High-<i>Q</i> miniaturized bound state in the continuum microcavities on thin-film lithium niobate towards efficient spatial light modulation
High-<i>Q</i> miniaturized bound state in the continuum microcavities on thin-film lithium niobate towards efficient spatial light modulation Open
We report the design, fabrication, and experimental characterization of high-quality factor ( Q ) photonic crystal microcavities on a thin-film lithium niobate (TFLN) that could potentially be utilized for spatial light modulation applicat…
View article: Multi-objective robust design of the front structure of white body
Multi-objective robust design of the front structure of white body Open
The software platform developed was applied to the multi-objective robust design of the pure electric vehicle body structure, which was obtained through topology optimization under multiple working conditions. Based on the response observa…
View article: Machine-learning based photon counting for PMT waveforms and its application to the improvement of the energy resolution in large liquid scintillator detectors
Machine-learning based photon counting for PMT waveforms and its application to the improvement of the energy resolution in large liquid scintillator detectors Open
Photomultiplier tubes (PMTs) are widely used in particle experiments for photon detection. PMT waveform analysis is crucial for high-precision measurements of the position and energy of incident particles in liquid scintillator (LS) detect…
View article: Relative Velocity and Gravitation
Relative Velocity and Gravitation Open
View article: Temperature-Dependence of Current Gain and Turn-On Voltages of Gaas-Based Hbts with Different Base Layers Grown by Mocvd
Temperature-Dependence of Current Gain and Turn-On Voltages of Gaas-Based Hbts with Different Base Layers Grown by Mocvd Open
View article: Virtual Reality, Real Profits: How VR Reshapes Price, Bidding Competition, and Strategic Reactions in Online House Auctions
Virtual Reality, Real Profits: How VR Reshapes Price, Bidding Competition, and Strategic Reactions in Online House Auctions Open
View article: Relative Velocity and Gravitation
Relative Velocity and Gravitation Open
View article: Flavor Physics at the CEPC: a General Perspective
Flavor Physics at the CEPC: a General Perspective Open
We discuss the landscape of flavor physics at the Circular Electron-Positron Collider (CEPC), based on the nominal luminosity outlined in its Technical Design Report. The CEPC is designed to operate in multiple modes to address a variety o…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math>-boson exotic decay into three charged leptons at the LHC
-boson exotic decay into three charged leptons at the LHC Open
We investigate the W boson’s exotic decay channel, W→ℓℓℓν, at the LHC. Although the four-body final states suppress the decay branching ratio, the large production of W bosons makes detecting and precisely measuring this decay probability …
View article: RUNX2 Phase Separation Mediates Long‐Range Regulation Between Osteoporosis‐Susceptibility Variant and <i>XCR1</i> to Promote Osteoblast Differentiation
RUNX2 Phase Separation Mediates Long‐Range Regulation Between Osteoporosis‐Susceptibility Variant and <i>XCR1</i> to Promote Osteoblast Differentiation Open
GWASs have identified many loci associated with osteoporosis, but the underlying genetic regulatory mechanisms and the potential drug target need to be explored. Here, a new regulatory mechanism is found that a GWAS intergenic SNP (rs46831…
View article: Ultralight dark matter detection with levitated ferromagnets
Ultralight dark matter detection with levitated ferromagnets Open
Levitated ferromagnets act as ultraprecise magnetometers, which can exhibit high quality factors due to their excellent isolation from the environment. These instruments can be utilized in searches for ultralight dark matter candidates, su…
View article: The Neutrino Slice at Muon Colliders
The Neutrino Slice at Muon Colliders Open
Muon colliders provide an exciting new direction to expand the energy frontier of particle physics. We point out a new use of these facilities for neutrino and beyond the Standard Model physics using their main detectors. Muon decays along…
View article: Accidental suppression of Wilson coefficients in Higgs coupling
Accidental suppression of Wilson coefficients in Higgs coupling Open
A bstract Higgs couplings are essential probes for physics beyond the Standard Model (BSM) since they can be modified by new physics, such as through the Higgs portal interaction $$ {\left|H\right|}^2\mathcal{O} $$ . These modificati…
View article: Probing Millicharged Particles at an Electron Beam Dump with Ultralow-Threshold Sensors
Probing Millicharged Particles at an Electron Beam Dump with Ultralow-Threshold Sensors Open
We propose to search for millicharged particles produced in high-intensity electron beam dumps using small ultralow-threshold sensors. As a concrete example, we consider a Skipper-CCD placed behind the beam dump in Hall A at Jefferson Lab.…
View article: Momentum shift and on-shell constructible massive amplitudes
Momentum shift and on-shell constructible massive amplitudes Open
We construct tree-level amplitude for massive particles using on-shell recursion relations based on two classes of momentum shifts: an all-line transverse shift that deforms momentum by its transverse polarization vector, and a massive Bri…
View article: Momentum shift and on-shell recursion relation for electroweak theory
Momentum shift and on-shell recursion relation for electroweak theory Open
We study the all-line transverse (ALT) shift which we developed for on-shell recursion of amplitudes for particles of any mass. We discuss the validity of the shift for general theories of spin ≤1, and illustrate the connection between War…