Neural quantum states for non-Abelian lattice gauge theories with dynamical fermionsDetermining the ground state of non-Abelian lattice gauge theories coupled to dynamical fermions is key to understanding confinement and the phase structure of gauge--matter systems. We present a…Gabriel Rouxinol, Julian Bender, Michele Grossi et al.·Jul 28, 2026SaveLearn
Radiative decays of the hc meson from lattice QCDWe explore, for the first time in lattice QCD, the radiative decays to γη and γη' of the JPC=1+- charmonium state, hc. This work expands upon a previous calculation of J/ψ decays…Mischa Batelaan, Jozef J. Dudek, Robert G. Edwards·Jul 28, 2026SaveLearn
SL(2,Z) Theta Subgroup Structure of Maxwell theory in the Lattice Villain Hamiltonian FormulationWe study the duality structure of lattice Maxwell theory with a theta term in the Hamiltonian Villain formulation. Reflecting the fact that odd-level Chern--Simons theory depends on a choice of spin…Shoto Aoki, Yoshio Kikukawa, Toshinari Takemoto·Jul 28, 2026SaveLearn
Normalizing Flows to Reconstruct Pseudo-PDFsWe investigate a normalizing-flow approach for reconstructing parton distribution functions (PDFs) from synthetic matrix-element data. Our framework combines Gaussian Process priors with invertible…Yamil Cahuana Medrano, Kostas Orginos·Jul 28, 2026SaveLearn
Scalar glueball-ss mixing in one flavor lattice QCDWe investigate the mixing between the lowest-lying scalar glueball and the ss meson in Nf=1 lattice quantum chromodynamics (QCD) utilizing an anisotropic 163 × 128 lattice…Long-Cheng Gui, Wei Sun, Ying Chen et al.·Jul 28, 2026SaveLearn
Future Requirements of Lattice Field Theory Calculations on European High-Performance Computing FacilitiesLattice field theory provides a first-principles framework for studying properties of strongly interacting quantum field theories in elementary particle physics. Researchers in lattice field theory…Gert Aarts, Gunnar Bali, Jacob Finkenrath et al.·Jul 27, 2026SaveLearn
TempLat: a versatile C++ engine for lattice field theoriesWe present TempLat, a C++ framework for lattice field theory simulations in arbitrary dimensions. Its symbolic language, built on expression templates, translates mathematical expressions almost…Adrien Florio, Franz R. Sattler·Jul 27, 2026SaveLearn
Analytic decomposition of two-body electroweak processes with left-hand cutsWe derive an on-shell representation for electroweak 2+J2 transition amplitudes involving two hadrons in both the initial and final state for systems where there are left-hand singularities…André Baião-Raposo, Raúl A. Briceño, Nicolas Lang et al.·Jul 27, 2026SaveLearn
First constraints on the nonperturbative gluon Collins-Soper kernelThe gluon Collins-Soper kernel, which encodes the rapidity evolution of transverse-momentum-dependent gluon distributions, is constrained for the first time in the nonperturbative regime, for…Artur Avkhadiev, Yang Fu, Phiala E. Shanahan et al.·Jul 27, 2026SaveLearn
Diffusion Models for SU(2) Lattice Gauge Theory in Two DimensionsWe apply score-based diffusion models to two-dimensional SU(2) lattice pure gauge theory with the Wilson action, extending recent work on U(1) gauge theories. The SU(2) manifold structure is handled…H. Alharazin, J. Yu. Panteleeva, B. -D. Sun·Jul 27, 2026SaveLearn
Thermodynamic Diagnostics for Complex Langevin Simulations: The Role of Configurational TemperatureThe complex Langevin method (CLM) offers a potential solution to the sign problem in quantum field theories with complex actions, but can converge to incorrect results even when simulations appear…Anosh Joseph, Arpith Kumar·Jul 26, 2026SaveLearn
First Lattice QCD Determination of Lepton-Flavor-Universality Ratios in Light-Meson Leptonic DecaysThe ratio of electronic to muonic leptonic decay widths, Re/μ, for the light mesons π and K, provides a clean test of lepton flavor universality (LFU) and a sensitive probe of physics beyond…Peter Boyle, Norman H. Christ, Xu Feng et al.·Jul 24, 2026SaveLearn
Resonances at finite temperature from the latticeThe properties of hadronic resonances at finite temperature constitute an important probe of the thermal QCD medium. In this work we use the concept of thermoparticles, which characterise…Jakob Hoffmann, Peter Lowdon, Owe Philipsen·Jul 24, 2026SaveLearn
Renormalization of meson susceptibilities and RG-invariant symmetry ratios in QCDWe analyze the ultraviolet divergence structure of meson susceptibilities in finite-temperature QCD, for lattice formulations with exact chiral symmetry. The bare susceptibility separates into…Ting-Wai Chiu·Jul 24, 2026SaveLearn
Cartan Fluxes in SU(3) Lattice Gauge TheoryWe propose and analyze a new method of detecting center vortices and monopoles in lattice Yang-Mills theory. This procedure is sensitive to the intrinsic degeneracy of the center charges, which play…Tereza Mendes, Luis E. Oxman, Gustavo M. Simões et al.·Jul 24, 2026SaveLearn
Standard Model tests with smeared experiment and theoryFor Standard Model processes in which on-shell intermediate hadronic states contribute - including inclusive semileptonic decays and long-distance effects in rare exclusive decays such as $D…Andreas Jüttner·Jul 24, 2026SaveLearn
RG-Invariant Symmetry Ratio for QCD: A Study of U(1)A and Chiral Symmetry RestorationWe introduce a renormalization-group-invariant (RGI), scheme-independent symmetry ratio κAB, for the quantitative characterization of symmetry breaking in QCD. As a first application, we employ…Ting-Wai Chiu, Tung-Han Hsieh·Jul 24, 2026SaveLearn
On the nature of the QCD chiral phase transition with imaginary chemical potentialThe order of the thermal chiral phase transition in lattice QCD is known to be strongly cutoff-dependent. A previous study using Nf∈[2,6] mass-degenerate, unimproved staggered quark…Alfredo D'Ambrosio, Michael Fromm, Reinhold Kaiser et al.·Jul 24, 2026SaveLearn
Lattice study of spin interactions between heavy quarks in the quark-gluon plasmaWe calculate the spin-dependent potential, which is the O(1/M2) correction term to the thermal potential between a static quark-antiquark pair within non-relativistic QCD. At leading…Dibyendu Bala, Olaf Kaczmarek, Sayantan Sharma et al.·Jul 23, 2026SaveLearn
Parallel Tempered Metadynamics for full QCDWe present an algorithm that addresses topological freezing in lattice QCD simulations by combining parallel tempering with collective-variable-based enhanced sampling methods, and apply it to a…Timo Eichhorn, Gianluca Fuwa, Christian Hoelbling et al.·Jul 23, 2026SaveLearn
Stochastic Quantization as Optimal ControlStochastic quantization defines a Euclidean quantum field theory as the equilibrium of a fictitious-time Langevin dynamics, which reaches the Gibbs measure asymptotically. We show that this…Lingxiao Wang·Jul 23, 2026SaveLearn
Perturbative quantum electrodynamics with generalized domain wall fermionsIn this paper we derive the expansion of the generalized domain-wall fermion Dirac operator including electromagnetic corrections up to O(e2), which are relevant for lattice computations…Matteo Di Carlo, Antonin Portelli·Jul 23, 2026SaveLearn
Spin and momentum fraction carried by partons in the nucleonWe determine the momentum fraction and angular momentum carried by quarks and gluons in the proton in lattice QCD. We use four ensembles simulated with up, down, strange and charm quarks with their…Constantia Alexandrou, Simone Bacchio, Jacob Finkenrath et al.·Jul 23, 2026SaveLearn
Investigating the role of tetraquark operators in lattice QCD studies of the a0(980) and κ resonancesThe role of tetraquark operators in studying the isodoublet strange κ and isovector nonstrange a0(980) scalar mesons in lattice QCD is examined using an ensemble with mπ≈230 MeV and…Andrew D. Hanlon, Daniel Darvish, Sarah Skinner et al.·Jul 23, 2026SaveLearn
Regulated chiral gauge theory and the strong CP problemFour-dimensional chiral gauge theory can be formulated as the boundary theory on a five-dimensional manifold in a manner that may be realized on a finite lattice. There are interesting features of…David B. Kaplan, Srimoyee Sen·Jul 23, 2026SaveLearn