Clay weekly context brief for the High Energy Physics category (ISO week 2026-W44). Clay tracks publications from the High Energy Physics feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed. Recent publications: 1. Wormhole geometries and energy conditions in linear and non-linear $f(Q,L_m)$ gravity Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30224 This study explores static and spherically symmetric wormhole configurations in an extended formulation of symmetric teleparallel gravity governed by $f(Q,L_m)=\alpha (-Q)+\beta L_m $ and $f(Q,L_m)= -Q+L_m^{\alpha} $ (where $Q$ is the non-metricity scalar, $L_m$ is the matter Lagrangian, and $\alpha, \beta$ are constants). 2. Spontaneous chiral-symmetry breaking in four-dimensional QCD with $A_x=A_y=0$ projection in dimensional reduction gauge Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.30850 We investigate spontaneous chiral-symmetry breaking in four-dimensional (4D) QCD in the dimensional reduction (DR) gauge, defined so as to minimize $R_{\mathrm{DR}}\equiv~\int d^{4}s ~ \mathrm{Tr} \left[ A_{x}^{2}(s) + A_{y}^{2}(s) \right]$. 3. Probing imperfect axions with nuclear clocks Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30238 We show that $^{229}$Th nuclear clocks can probe departures from the Peccei-Quinn (PQ) solution to the strong CP problem. 4. Finding CFTs from spatial positivity of partition functions Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30234 We discuss a positivity property for partition functions that generalizes modular invariance and which is here conjectured to hold for general 2D CFTs. 5. Construction, commissioning, and performance of the ENUBET demonstrator Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2608.02164 A final full-size prototype of the instrumented decay tunnel of ENUBET, referred to as the Demonstrator, was constructed and its performance was tested during the 2022, 2023 and 2024 beam test campaigns at the CERN East Area facility. 6. Ricci-flat Seeds, Trombone Rescaling and Magnetizing Kerr Black Holes Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30256 We present a new family of Ricci-flat rotating metrics, which we refer to as Solution II, obtained by demagnetizing the genuine Kerr-Bertotti-Robinson (G-KBR) black hole. 7. Learning Low Modes of the Wilson Dirac Operator with Gauge-Equivariant Networks Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.30982 In adaptive multigrid, test vectors that better approximate the low-mode subspace of the Wilson Dirac operator $D$ can reduce the solve time, but their construction can be costly. 8. Faithful Uncertainties in ML-Based Inverse Problems: GPs, NNs and NTKs for the Triplet PDF Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30239 Machine-learning methods are increasingly used to solve inverse problems in physics, where a faithful estimate of the uncertainty on the reconstructed function is as important as its central value. 9. Collinear Gluons from Gravity: Poincar\'e-Birkhoff-Witt Decomposition and Twisted Intersections Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30235 We give an explicit reconstruction of subleading collinear Yang--Mills amplitudes from one-graviton amplitudes in Einstein--Yang--Mills theory and its string corrections. 10. Search for Sub-GeV Axion-Like Particles at EBES Pilot Run Using 4 GeV Positron Beam at KEK LINAC Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2605.07108 We report the results of a search for sub-GeV axion-like particles (ALPs) using pilot run data from the Electron Beam-dump Experiment at KEK LINAC Switching Yard 3 (EBES). 11. Calculating gravitational waves at infinity: the missing link Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30263 Gravitational-wave science requires waveform templates to be computed at future null infinity, the asymptotic boundary of spacetime. 12. Dyon Condensation at $\theta=2\pi$ from Wilson-'t Hooft Loops in Yang-Mills Theory Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.31281 Although Yang--Mills theories at $\theta$ and $\theta+2\pi$ are physically equivalent, their periodicity is realized nontrivially in the presence of a background field for the $1$-form center symmetry. 13. Probing Heavy Neutral Leptons through New Gauge Interactions at the Forward Physics Facilities Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30240 We investigate the prospects for improving the heavy neutral lepton (HNL) searches at the far-forward LHC experiments FASER and FASER$\nu$, as well as their proposed HL-LHC successors, FASER2 and FASER$\nu$2, using new HNL production mechanisms. 14. Defect flows from functional relations in the asymptotic semiring Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30242 We study perturbations of topological defects by a relevant holomorphic defect field in two-dimensional conformal field theory. 15. Modern jet flavour tagging in hadronic Z decays with archived ALEPH data Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2603.06524 We present a reanalysis of archived data from the ALEPH experiment at LEP in the $\mathrm{Z \to q\bar{q}}$ final state. 16. Accurate initial data for Cauchy-characteristic evolution Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30268 Accurate gravitational-wave (GW) templates from numerical-relativity (NR) simulations are essential for GW science. 17. Towards Systematic Control of the Nucleon Gluon PDF with the Pseudo-PDF Method Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.31597 We present updated lattice quantum chromodynamics (QCD) results for the unpolarized nucleon gluon parton distribution function (PDF) using the pseudo-PDF methodology. 18. Sequential SBI for Resonance Searches at the LHC Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30245 Neural simulation-based inference has been shown to extract significantly more information from LHC data than histogram-based analyses. 19. From bulk flows to boundary generators and costs Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30246 Holographic complexity admits a broad family of bulk observables, yet their relation to boundary state-preparation costs remains unclear. 20. ANUBIS detector and its sensitivity to neutral long-lived particles Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2510.26932 Long-lived particles (LLPs), i.e., particles with macroscopic lifetimes $\tau>10$~ns, appear in various extensions of the Standard Model (SM) that address fundamental questions like the particulate nature of dark matter or baryogenesis. 21. Quintaverse-Phantiverse Cosmologies in $f(Q,C)$ Gravity: a Non-coincident Geometrical Origin of Cosmic Acceleration Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30302 We investigate the asymptotic dark energy sectors of a quadratic form of $f(Q,C)$ Lagrangian. 22. Thermomagnetic enhancement of conserved-charge correlations in a lattice-constrained PNJL model Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.30393 Conserved-charge correlations offer a promising probe of magnetic fields in strongly interacting matter. 23. Continuous Measurement of Quantum Axion Dark Matter Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30250 We provide a fully quantum-mechanical description of the continuous measurement of wavelike dark matter. 24. 3D de Sitter from complex Virasoro TQFT: Observers and knots Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30247 The Euclidean saddles of 3D Einstein gravity with positive cosmological constant are spherical three-manifolds. 25. ${\mathcal{O}}(\alpha_s^2\alpha)$ threshold corrections to inclusive $Z$-boson production Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2610.31609 To match the experimental precision targeted by future collider programs, theoretical predictions for Drell-Yan production must incorporate higher-order mixed Quantum Chromodynamics and electroweak corrections. 26. Black Hole Shadows and Quasinormal Modes with Dark Matter at the Horizon Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30312 In this work, we study the effect of a surrounding dark matter halo on two horizon-scale observables of a black hole: its shadow and quasinormal-mode spectrum. 27. $N \to \Delta$ Transition Form Factors in the Thermal AdS/QCD Soft-Wall Model with Modified Propagators Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.31395 We investigate electromagnetic (EM) and axial vector (AV) form factors of the nucleon-Delta baryon transition within the thermal AdS/QCD soft-wall model. 28. Neutrino Transition Polarizability Source: hep-ph (High Energy Physics - Phenomenology) Link: https://arxiv.org/abs/2610.30252 We study Neutrino Transition Polarizability, where a light pseudoscalar $\phi$ couples active neutrinos to heavy neutral leptons $N$ and interacts with two photons. 29. Big Crunching Your Big Bang: Doubly Warped Time-Dependent Type II Flux Backgrounds and Scale Separation Source: hep-th (High Energy Physics - Theory) Link: https://arxiv.org/abs/2610.30248 We construct three analytic, doubly warped cosmological solutions of massless type IIA supergravity with different choices of fluxes, namely, $H_3$, $\tilde F_2$ and $\tilde F_4$ along internal directions. 30. A consistent neutrino determination of the low-energy weak mixing angle Source: hep-ex (High Energy Physics - Experiment) Link: https://arxiv.org/abs/2610.31254 The weak mixing angle, $\sin^2\theta_W$, is a fundamental parameter of the Standard Model and a sensitive probe of electroweak physics across various energy scales. 31. Conformal geodesics and the hyperboloid at timelike infinity Source: gr-qc (General Relativity and Quantum Cosmology) Link: https://arxiv.org/abs/2610.30466 A description of scattering in asymptotically flat spacetimes that includes both radiation and massive asymptotic states requires control of the relation between null and timelike infinity. 32. Onsager Algebras and Lattice Fermions Source: hep-lat (High Energy Physics - Lattice) Link: https://arxiv.org/abs/2610.31653 We study the exact Onsager algebra of free lattice fermions in staggered, Wilson, and overlap incarnations, working in both Hamiltonian and Euclidean formulations in four spacetime dimensions. Sources in this brief: gr-qc (General Relativity and Quantum Cosmology); hep-ex (High Energy Physics - Experiment); hep-lat (High Energy Physics - Lattice); hep-ph (High Energy Physics - Phenomenology); hep-th (High Energy Physics - Theory). Selected 32 of 407 available items for this weekly brief.