High Energy & Particle · Physics & Astronomy
High Energy Physics - Phenomenology
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139 papers, from 8 September 2026 to 5 November 2026: 139 arXiv preprints.
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Newest papers, page 3
An end-to-end framework for uncertainty-aware validation of generative models
Density estimation with generative models is a common task in the physical sciences, for example in background estimation in particle physics.Weighing dark matter particles with gravitational waves
It is commonly assumed that the mass of dark matter particles cannot be determined from their gravitational effects when dark matter behaves as collisionless matter.A GLIMPSE of Dark Matter: JWST Constraints on Early Structure Formation
While we have a solid understanding of how dark matter (DM) behaves during recombination ($z\sim 10^3$) and in the late universe ($z\lesssim$ a few), much less is known about intermediate times…Complex Langevin kernels for real-time SU(N) lattice gauge theory in 3+1 dimensions
We investigate complex Langevin (CL) dynamics for real-time SU($N$) gauge theories in 3+1 dimensions and introduce new kernel modifications tailored for lattice gauge theory (LGT).Testing thermal equilibrium in heavy-ion collisions with electric-charge fluctuations
Relativistic heavy-ion collisions exhibit several phenomena commonly associated with the formation of a thermalized quark--gluon plasma.A Correspondence Between Qubit- and Boson-Based Sensing Protocols
Recent years have seen a surge of interest in adapting non-classical states to search for physics beyond the Standard Model, including both qubit- and boson-based systems.The proton structure one mode at a time: a Neural Tangent Kernel analysis of a DIS fit
We study the training dynamics of a feed-forward neural network (NN) through the analysis of the neural tangent kernel (NTK) in a phenomenologically relevant fit of parton distribution functions…An open EFT for dark matter searches with matter-wave interferometers
Matter-wave interferometers (MWIs) are a genuine quantum probe of dark matter (DM), being sensitive to DM-induced phase shifts and loss of contrast.Non-Hermitian Schwinger effect in an imaginary magnetic field
We investigate a non-Hermitian Schwinger effect by analyzing a one-loop effective Lagrangian of scalar and Dirac quantum electrodynamics (QED) in the presence of a real electric field and a parallel…Catastrophe Structure and Stability of Axion Stars
Axion stars are self-gravitating Bose--Einstein condensates of QCD axions or axion-like particles.Fermion Scattering on Quantum Computers
Resonant scattering links particle interactions to the formation and decay of unstable excitations.LLMs Can Tackle High Energy Theoretical Physics, yet Gaps Remain: Part I, Quantum Field Theory
Beyond math and code, Large language models (LLMs) are beginning to tackle problems that have traditionally required substantial training for theoretical physicists, but it remains unclear how far…In situ enhanced detectability of axions' responses in a microwave cavity
Microwave cavities in strong magnetic fields are among the most sensitive detectors for axion dark matter detection.Spin - resolved momentum distributions and vortex evolution in multiphoton pair production within a modified two-level model
We investigate spin-resolved momentum distributions and phase vortices in multiphoton electron-positron pair production within a modified two-level model.How Far Can Foundation Models Be Distilled for Efficient Jet Tagging?
Jet tagging is one of the most important applications of machine learning at the Large Hadron Collider.Continuous Measurement of Quantum Axion Dark Matter
We provide a fully quantum-mechanical description of the continuous measurement of wavelike dark matter.Symmetry-Preserving and Scalable Variational Circuits for the Lattice Gross-Neveu Model
We study variational preparation of ground states and sector-resolved excited states in the $(1+1)$-dimensional lattice Gross-Neveu model.Polarization signatures of mixed scalar - pseudoscalar ALP - photon couplings in intense laser pulses
We investigate photon-to-axion-like-particle (ALP) conversion in a finite, linearly polarized laser pulse for a single ALP field with simultaneous scalar-type and pseudoscalar-type couplings to…Simulation-Informed High-Velocity Dark Matter in the Effective Theory of Direct Detection
The interpretation and reach of direct detection (DD) experiments depend sensitively on the local dark matter (DM) velocity distribution, particularly its high-velocity tail.PIANISTpy: A JAX-based Python package for velocity-anisotropic astrophysical equilibrium models
The hierarchical assembly of dark matter haloes and galaxies via mergers and anisotropic mass accretion naturally imprints non-trivial velocity anisotropy onto haloes and galaxies, an empirical fact…