Publications (66)
Study of charged Lepton Flavor Violation in electron muon interactions
Ran Ding, Jingshu Li, Meng Lu +3
With the improvement of muon acceleration technology, it has received great interest to exploit high-energy muon beams for collision or target experiments. We investigate possible…
BezierFormer: A Unified Architecture for 2D and 3D Lane Detection
Zhiwei Dong, Xi Zhu, Xiya Cao +5
Lane detection has made significant progress in recent years, but there is not a unified architecture for its two sub-tasks: 2D lane detection and 3D lane detection. To fill this g…
A Promising Interpretation of Diphoton Resonance at 750 GeV
Xiao-Jun Bi, Ran Ding, Yizhou Fan +6
Recently, an excess of events in diphoton channel with invariant mass of about 750 GeV has been reported by the ATLAS and CMS Collaborations. Considering it as a tantalizing hint f…
Enhanced activity in layered-metal-oxide-based oxygen evolution catalysts by layer-by-layer modulation of metal ion identity
Ran Ding, Daniel Maldonado-Lopez, Jacob E. Henebry +2
Few-layered potassium nickel and cobalt oxides show drastic differences in catalytic activity based on metal ion preorganization. Uniform compositions $[(\mathrm{CoO}_2/\mathrm{K})…
Natural Supersymmetry from the Yukawa Deflect Mediations
Tai-ran Liang, Bin Zhu, Ran Ding +1
The natural supersymmetry (SUSY) requires light stop quarks, light sbottom quark, and gluino to be around one TeV or lighter. The first generation squarks can be effectively large…
Interpretation of 750 GeV Diphoton Excess at LHC in Singlet Extension of Color-octet Neutrino Mass Model
Ran Ding, Zhi-Long Han, Yi Liao +1
We propose that the possible 750 GeV diphoton excess can be explained in the color-octet neutrino mass model extended with a scalar singlet . The model generally contains …
A 25 Gb/s Silicon Photonics Platform
Tom Baehr-Jones, Ran Ding, Ali Ayazi +12
Silicon has attracted attention as an inexpensive and scalable material system for photonic-electronic, system-on-chip development. For this, a platform with both photodetectors an…
Focus Point Supersymmetry in Extended Gauge Mediation
Ran Ding, Tianjun Li, Florian Staub +1
We propose a small extenion of the minimal gauge mediation through the combination of extended gauge mediation and conformal sequestering. We show that the focus point supersymmetr…
LHC Phenomenology of Type II Seesaw: Nondegenerate Case
Zhi-Long Han, Ran Ding, Yi Liao
In this paper, we thoroughly investigate the LHC phenomenology of the type II seesaw mechanism for neutrino masses in the nondegenerate case where the triplet scalars of various ch…
Topic Modeling with Wasserstein Autoencoders
Feng Nan, Ran Ding, Ramesh Nallapati +1
We propose a novel neural topic model in the Wasserstein autoencoders (WAE) framework. Unlike existing variational autoencoder based models, we directly enforce Dirichlet prior on…
Systematic Study of Diphoton Resonance at 750 GeV from Sgoldstino
Ran Ding, Yizhou Fan, Li Huang +4
The ATLAS and CMS Collaborations of the Large Hadron Collider (LHC) have reported an excess of events in diphoton channel with invariant mass of about 750 GeV. With low energy supe…
Gauged Scotogenic Model in light of Anomaly and AMS-02 Positron Excess
Zhi-Long Han, Ran Ding, Su-Jie Lin +1
We study the gauged scotogenic model with emphasis on latest measurement of LHCb anomaly and AMS-02 positron excess. In this model, neutrino masses…
Unravel Anomalies: An End-to-end Seasonal-Trend Decomposition Approach for Time Series Anomaly Detection
Zhenwei Zhang, Ruiqi Wang, Ran Ding +1
Traditional Time-series Anomaly Detection (TAD) methods often struggle with the composite nature of complex time-series data and a diverse array of anomalies. We introduce TADNet,…
One laser pulse generates two photoacoustic signals
Fei Gao, Xiaohua Feng, Linyi Bai +6
Photoacoustic sensing and imaging techniques have been studied widely to explore optical absorption contrast based on nanosecond laser illumination. In this paper, we report a long…
Phenomenology in Minimal Cascade Seesaw for Neutrino Mass
Ran Ding, Zhi-Long Han, Yi Liao +2
We make a comprehensive analysis on the phenomenology in the minimal version of cascade seesaw for tiny neutrino mass. The seesaw induces at tree level a neutrino mass operator at…
Search for R-Parity-Violation-Induced Charged Lepton Flavor Violation at Future Lepton Colliders
Xunye Cai, Jingshu Li, Ran Ding +3
Interest in searches for Charged Lepton Flavor Violation (CLFV) has continued in the past few decades since the observation of CLFV will indicate new physics beyond the Standard Mo…
Two Component Higgs-Portal Dark Matter
Ligong Bian, Ran Ding, Bin Zhu
In this paper, we construct two component dark matter model and revisit fine-tuning, unitarity and vacuum stability problem in this framework. Through Higgs-portal interactions, th…
Naturalness and a light
Bin Zhu, Florian Staub, Ran Ding
Models with a light, additional gauge boson are attractive extensions of the standard model. Often these models are only considered as effective low energy theory without any assum…
Estimating the gravitational wave background anisotropy: a Bayesian approach boosted by cross-correlation angular power spectrum
Chi Tian, Ran Ding, Xiao-Xiao Kou
We introduce a new method designed for Bayesian inference of the angular power spectrum of the Gravitational Wave Background (GWB) anisotropy. This scheme works with time-series da…
DVGBench: Implicit-to-Explicit Visual Grounding Benchmark in UAV Imagery with Large Vision-Language Models
Yue Zhou, Jue Chen, Zilun Zhang +10
Remote sensing (RS) large vision-language models (LVLMs) have shown strong promise across visual grounding (VG) tasks. However, existing RS VG datasets predominantly rely on explic…
Neutrino dipole portal at electron colliders
Yu Zhang, Mao Song, Ran Ding +1
We propose to search for a heavy neutral lepton (HNL), that is also know as sterile neutrino, in electron colliders running with the center-of-mass energies at few GeV, including B…
Hybrid Anomaly and Gravity Mediation for Electroweak Supersymmetry
Bin Zhu, Ran Ding, Tianjun Li
We propose a hybrid mediation and hybrid supersymmetry breaking. In particular the RG-invariant anomaly mediation is considered. Together with additional gravity mediation the slep…
Spin 3/2 Particle as a Dark Matter Candidate: an Effective Field Theory Approach
Ran Ding, Yi Liao
There is no indication so far on the spin of dark matter particles. We consider the possibility in this work that a spin-3/2 particle acts as dark matter. Employing the approach of…
Testing Bell inequalities and probing quantum entanglement at a muon collider
Alim Ruzi, Youpeng Wu, Ran Ding +3
A muon collider represents a promising candidate for the next generation of particle physics experiments after the expected end of LHC operations in the early 2040s. Rare or hard-t…
Probing the gauge boson at electron colliders
Yu Zhang, Zhuo Yu, Qiang Yang +3
We investigate the minimal model with extra heavy vector-like leptons or charged scalars. By studying the kinetic mixing between gauge boson $…
Towards the Natural Gauge Mediation
Ran Ding, Tianjun Li, Liucheng Wang +1
The sweet spot supersymmetry (SUSY) solves the mu problem in the Minimal Supersymmetric Standard Model (MSSM) with gauge mediated SUSY breaking (GMSB) via the generalized Giudice-M…
Prospects for measuring electroweak production of and 2 jets at the LHC
Ran Ding, Ruobing Jiang, Tianyi Yang +2
Vector boson scattering (VBS) serves as a powerful channel for probing the Standard Model, particularly the electroweak symmetry breaking mechanism. Currently, studies of VBS mainl…
Higgs Mass and Muon Anomaly in MSSM with Gauge-Gravity hybrid Mediation
Bin Zhu, Ran Ding, Tianjun Li
In general, we can propose the hybrid supersymmetry breakings and hybrid mediations in the Supersymmetric Standard Models (SSMs). In this paper, we study the hybrid mediation for s…
Broadband on-chip optical non-reciprocity using phase modulators
Christophe Galland, Ran Ding, Nicholas C Harris +2
Breaking the reciprocity of light propagation in photonic integrated circuits (PIC) - especially in the CMOS-compatible silicon-on-insulator platform - is a topic of intense resear…
3D-CovDiffusion: 3D-Aware Diffusion Policy for Coverage Path Planning
Chenyuan Chen, Haoran Ding, Ran Ding +6
Diffusion models have shown strong potential for robot skill learning, yet their role in coverage path planning remains underexplored. In industrial surface processing (painting, p…
Bayesian analysis of the break in DAMPE lepton spectra
Jia-Shu Niu, Tianjun Li, Ran Ding +3
Recently, DAMPE has released its first results on the high-energy cosmic-ray electrons and positrons (CREs) from about GeV to TeV, which directly detect a break at $\sim…
TARGO: Benchmarking Target-driven Object Grasping under Occlusions
Yan Xia, Ran Ding, Ziyuan Qin +5
Recent advances in predicting 6D grasp poses from a single depth image have led to promising performance in robotic grasping. However, previous grasping models face challenges in c…
Supersoft Supersymmetry, Conformal Sequestering, and Single Scale Supersymmetry Breaking
Ran Ding, Tianjun Li, Florian Staub +1
Supersymmetric Standard Models (SSMs) with Dirac gauginos have the appealing supersoft property that they only cause finite contributions to scalar masses. Considering gauge mediat…
AirSpatialBot: A Spatially-Aware Aerial Agent for Fine-Grained Vehicle Attribute Recognization and Retrieval
Yue Zhou, Ran Ding, Xue Yang +2
Despite notable advancements in remote sensing vision-language models (VLMs), existing models often struggle with spatial understanding, limiting their effectiveness in real-world…
Supersymmetry Breaking in Anti-de Sitter spacetime
Bin Zhu, Kun Meng, Ran Ding
We study the questions of how supersymmetry is spontaneously broken in Anti de-Sitter spacetime. We verify that the would-be R-symmetry in plays a central role for the exis…
Radiative Neutrino Mass with Dark matter: From Relic Density to LHC Signatures
Ran Ding, Zhi-Long Han, Yi Liao +1
In this work we give a comprehensive analysis on the phenomenology of a specific dark matter (DM) model in which neutrino mass is induced at two loops by interaction…
Quantum Entanglement between gauge boson pairs at a Muon Collider
Ran Ding, Alim Ruzi, Sitian Qian +3
Quantum entanglement is one of significant physics phenomena that can be examined at a particle collider. A muon collider can provide a stage on which we can study substantial phys…
Singlet-Assisted Supersymmetry Breaking For Theories
Bin Zhu, Kun Meng, Ran Ding +1
We investigate local supersymmetry-breaking vacua in s-confining theories with gauge group . By adapting the general recipe developed by Shadmi and Shirman, we construct a…
MessyKitchens: Contact-rich object-level 3D scene reconstruction
Junaid Ahmed Ansari, Ran Ding, Fabio Pizzati +1
Monocular 3D scene reconstruction has recently seen significant progress. Powered by the modern neural architectures and large-scale data, recent methods achieve high performance i…
Direct Detection of Axion-Like Particles in Bismuth-Based Topological Insulators
Tairan Liang, Bin Zhu, Ran Ding +1
In recent years a new field emerged in dark matter community and immediately attracted a multitude of theoriests and experimentalists, that of light dark matter direct detection in…
Illuminating Black Hole Shadow with Dark Matter Annihilation
Yifan Chen, Ran Ding, Yuxin Liu +4
The Event Horizon Telescope (EHT) has significantly advanced our ability to study black holes, achieving unprecedented spatial resolution and revealing horizon-scale structures. No…
Coherence-Aware Neural Topic Modeling
Ran Ding, Ramesh Nallapati, Bing Xiang
Topic models are evaluated based on their ability to describe documents well (i.e. low perplexity) and to produce topics that carry coherent semantic meaning. In topic modeling so…
Comprehensive Constraints on a Spin-3/2 Singlet Particle as a Dark Matter Candidate
Ran Ding, Yi Liao, Ji-Yuan Liu +1
We consider the proposal that dark matter (DM) is composed of a spin-3/2 particle that is a singlet of the standard model (SM). Its leading effective interactions with ordinary mat…
LHC Phenomenology of the Type II Seesaw Mechanism: Observability of Neutral Scalars in the Nondegenerate Case
Zhi-Long Han, Ran Ding, Yi Liao
This is a sequel to our previous work on LHC phenomenology of the type II seesaw model in the nondegenerate case. In this work, we further study the pair and associated production…
Narrative-Driven Travel Planning: Geoculturally-Grounded Script Generation with Evolutionary Itinerary Optimization
Ziyu Zhang, Ran Ding, Ying Zhu +2
To enhance tourists' experiences and immersion, this paper proposes a narrative-driven travel planning framework called NarrativeGuide, which generates a geoculturally-grounded nar…
The Supersymmetric Standard Models with a Pseudo-Dirac Gluino from Hybrid and Term Supersymmetry Breakings
Ran Ding, Tianjun Li, Florian Staub +2
We propose the Supersymmetric Standard Models (SSMs) with a pseudo-Dirac gluino from hybrid and term supersymmetry (SUSY) breakings. Similar to the SSMs before the LHC, al…
EdgeWorkflowReal: An Edge Computing based Workflow Execution Engine for Smart Systems
Xuejun Li, Ran Ding, Xiao Liu +3
Current cloud-based smart systems suffer from weaknesses such as high response latency, limited network bandwidth and the restricted computing power of smart end devices which seri…
On the anisotropies of the cosmological gravitational-wave background from pulsar timing array observations
Ran Ding, Chi Tian
Significant evidence for a stochastic gravitational-wave background has recently been reported by several Pulsar Timing Array observations. These studies have shown that, in additi…
Chemical heterogeneity enhances hydrogen resistance in high-strength steels
Binhan Sun, Wenjun Lu, Ran Ding +7
When H, the lightest, smallest and most abundant atom in the universe, makes its way into a high-strength alloy (>650 MPa), the material's load-bearing capacity is abruptly lost. T…
Searching for axion dark matter with MeerKAT Radio Telescope
Yun-Fan Zhou, Nick Houston, Gyula I. G. Jozsa +11
Axions provide a natural and well-motivated dark matter candidate, with the capability to convert directly to photons in the presence of an electromagnetic field. A particularly co…
Interpreting GeV Diphoton Excess with R-parity Violating Supersymmetry
Ran Ding, Li Huang, Tianjun Li +1
We propose an supersymmetric explanation of the diphoton excess in the Minimal Supersymmetric Standard Model with the leptonic R-parity violation. Where the sneutrino serves as the…
The ATLAS Leptonic- Excess from Light Squark Productions in the NMSSM Extension with a Heavy Dirac Gluino
Ran Ding, Yizhou Fan, Jinmian Li +2
The ATLAS Collaboration announced a 3 excess in the leptonic-$Z+jets+\met$ channel. We show that such an excess can be interpreted in the extension of the Next-to-Minimal Super…
Effects of Early-Universe Inhomogeneity on Bubble Formation: Primordial Black Holes as an Extreme Case
Yijie Chang, Shihang Tang, Haowen Deng +3
Our early Universe is not perfectly homogeneous and it may contain some inhomogeneous sources, which might distort the local spacetime and modify the bubble nucleation rate. Taking…
Constraints on dark matter annihilation from the Event Horizon Telescope Observations of M87
Guan-Wen Yuan, Zhan-Fang Chen, Zhao-Qiang Shen +4
The fast developments of radio astronomy open a new window to explore the properties of Dark Matter (DM). The recent direct imaging of the supermassive black hole (SMBH) at the cen…
Experimental demonstration of broadband Lorentz non-reciprocity in an integrable photonic architecture based on Mach-Zehnder modulators
Yisu Yang, Christophe Galland, Yang Liu +6
We demonstrate the first active optical isolator and circulator implemented in a linear and reciprocal material platform using commercial Mach-Zehnder modulators. In a proof-of-pri…
Exploring for sub-MeV Boosted Dark Matter from Xenon Electron Direct Detection
Qing-Hong Cao, Ran Ding, Qian-Fei Xiang
Direct detection experiments turn to lose sensitivity of searching for a sub-MeV light dark matter candidate due to the threshold of recoil energy. However, such light dark matter…
Exploring dark matter-gauge boson effective interactions at the current and future colliders
Yu Zhang, Yi-Wei Huang, Wei-Tao Zhang +2
In this work, we investigate the collider constraints on effective interactions between Dark Matter (DM) particles and electroweak gauge bosons in a systematic way. We consider the…
Sub-Volt Silicon-Organic Electrooptic Modulator
Ran Ding, Tom Baehr-Jones, Woo-Joong Kim +7
Lowering the operating voltage of electrooptic modulators is desirable for a variety of applications, most notably in analog photonics , and digital data communications . In partic…
Realization of Sneutrino Self-interacting Dark Matter in the Focus Point Supersymmetry
Bin Zhu, Ran Ding, Ying Li
The Lightest Supersymmetric Particle (LSP) is generally regarded as higgsino in focus point supersymmetry (SUSY). Under such circumstance it leads to bileptino LSP when the MSSM is…
Searching Quantum Entanglement in process
Alim Ruzi, Youpeng Wu, Ran Ding +1
Recent studies have shown that observing entangled particle states at a particle collider like Large Hadron Collider (LHC) and testing violation of Bell inequality in them can open…
Neutralino Dark Matter in Gauge Mediation After Run I of LHC and LUX
Ran Ding, Liucheng Wang, Bin Zhu
Neutralino can be the dark matter candidate in the gauge-mediated supersymmetry breaking models if the conformal sequestered mechanism is assumed in the hidden sector. In this pape…
Consistent origin of neutrino mass and freeze-in dark matter in large N theories
Zhi-Long Han, Bin Zhu, Ligong Bian +1
Most of what we concern in beyond standard phenomenology are the existence of tiny numbers. The well-defined principle for protecting the tiny number to be large from quantum corre…
How large are curvature perturbations from slow first-order phase transitions? A gauge-invariant analysis
Xiao Wang, Csaba Balázs, Ran Ding +1
When strongly supercooled cosmological first-order phase transitions (FOPTs) are sufficiently slow, super-horizon inhomogeneities can be generated. We compute these super-horizon c…
Radiative Seesaw Model and DAMPE Excess from Leptophilic Gauge Symmetry
Zhi-Long Han, Weijian Wang, Ran Ding
In the light of the excess observed by DAMPE experiment, we propose an anomaly-free radiative seesaw model with an alternative leptophilic gauge symmetry. In…
Phenomenology of Colored Radiative Neutrino Mass Model and Its Implications on the Cosmic-ray Observations
Ran Ding, Zhi-Long Han, Li Huang +1
We extend the colored Zee-Babu model with a gauged symmetry and a scalar singlet dark matter (DM) candidate . The spontaneous breaking of leaves a resi…
Confronting the DAMPE Excess with the Scotogenic Type-II Seesaw Model
Ran Ding, Zhi-Long Han, Lei Feng +1
The DArk Matter Particle Explorer (DAMPE) has observed a tentative peak at $E\sim1.4~\TeV$ in the cosmic-ray electron spectrum. In this paper, we interpret this excess in the scoto…