Clay weekly context brief for the High Energy Physics category (ISO week 2026-W34).

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. Resolution of outstanding puzzles in $B^+ \!\to K^+ \pi^+ \pi^-$ decays
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12613
   An amplitude analysis of $B^+ \!\to K^+ \pi^+ \pi^-$ decays is presented, based on $pp$ collision data recorded with the LHCb detector in 2011--2012, corresponding to an integrated luminosity of $3\,\text{fb}^{-1}$.
2. Probing CP-violating top-quark dipole moments with tomographic observables
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12463
   Quantum tomography program reconstructs the full spin density matrix of top-quark pairs from dilepton angular correlations at both electron-positron and hadron colliders.
3. Stabilizer complexity and the Python's lunch
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.12472
   In this note, we study the stabilizer complexity of the reduced density matrix corresponding to one side of a partially entangled thermal (PET) state with fixed energy boundary conditions in a holographic CFT.
4. Particle Production, Equilibration, and Quantum Recurrences from Classical Fields
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.11316
   We investigate particle production from classical fields, a phenomenon central to the pre-equilibrium dynamics of relativistic heavy-ion collisions and the reheating epoch of the early Universe.
5. LIGO Detector Characterization in the Second and Third Parts of the Fourth Observing Run
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.12193
   LIGO detector characterization efforts enabled the confident detection of gravitational waves from hundreds of compact binary coalescences during the fourth observing run.
6. Observation of several sources of $C\!P$ violation in $B^+ \!\to K^+ \pi^+ \pi^-$ decays
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12614
   An amplitude analysis of $B^+ \!\to K^+ \pi^+ \pi^-$ decays is presented in which six $C\!P$-violating phenomena are judged to be of significance for the first time.
7. Soft Collinear Effective Theory for Heavy QCD Axions
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12467
   We develop a soft-collinear effective theory (SCET) framework for heavy QCD axion, considering two low-energy realizations and taking $B\to Ka$ as a benchmark mode.
8. D4-branes wrapped on topological disks from matter-coupled F(4) gauged supergravity
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.12850
   We study a number of supersymmetric $AdS_4\times \Sigma$ solutions with $\Sigma$ being a topological disk with non-trivial $U(1)$ holonomy on the boundary or a ``half-spindle'' from matter-coupled $F(4)$ gauged supergravity.
9. Hadron spectra of finite-density QC$_2$D
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2606.13974
   We investigate the chemical-potential dependence of hadron spectra in two-color QCD using first-principles lattice simulations.
10. Full-Covariance Bayesian Inference of Stochastic Gravitational Wave Background with Time-Domain Simulations for Taiji-like Missions
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.11276
   For Taiji-like missions, we implement a Bayesian spectral inference framework that combines second-generation time-domain (TD) simulations of time-delay interferometry (TDI) with a frequency-domain (FD) spectral likelihood for stochastic gravitational-wave background (SGWB) analyses.
11. Axion-Like Particle Search with a Hybrid Cherenkov-Scintillation Detector
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12616
   This analysis presents the first proof-of-concept search for axion-like particles (ALPs) using a hybrid Cherenkov-scintillation detector at a beam-dump facility.
12. Defect-Mediated Conversion: Dark Matter from Cosmological Domain-Wall Scattering
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12468
   We propose a new mechanism for dark matter genesis, \emph{Defect-Mediated Conversion} (DMC).
13. Limits of the inverse scattering problem
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.13105
   The main goal of tomography is the reconstruction of density function out of its line integrals (integral measurements of this density along x-ray lines).
14. Fermion-doubling problem in Chiral discretizations of Quantum field theory: Definitive proof, Fixing, and Computation of two-point correlation function
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2607.14874
   We give the definitive proof that the Dirac Quantum Cellular Automaton (QCA) used for both quantum simulation and algorithmic foundations of Quantum Field Theory (QFT), and especially of Quantum Electrodynamics (QED), as put forward in References https://doi.
15. A Covariant Distributional Approach for Junctions in Torsional Locally Rotationally Symmetric Class II Spacetimes
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.12212
   A rigorous framework for consistent study of junctions in a coordinate independent manner is presented.
16. High-precision measurement of the space-like $\eta^\prime$ transition form factor
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12793
   Using a data sample corresponding to an integrated luminosity of $20. 3\ \text{fb}^{-1}$, collected with the BESIII detector at a center-of-mass energy of $3.
17. Singlet-doublet dark matter beyond freeze-out
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12480
   The Singlet-Doublet fermion model of dark matter is an economical weak-scale dark matter model that realizes the dark matter abundance through interactions with the electroweak bosons of the Standard Model.
18. Exact Evaluation of Lattice-Regularized Scalar Field Vacuum Amplitude via Site Permutations
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.13117
   A novel approach to a computation of vacuum amplitude for a single scalar field in any number of dimensions with arbitrary potential on a lattice is proposed.
19. Perturbative stability and error correction thresholds of quantum codes
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2406.15757
   Topologically-ordered phases are stable to local perturbations, and topological quantum error-correcting codes enjoy thresholds to local errors.
20. Finding black hole spins efficiently during a numerical binary evolution
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.12211
   The dynamics of a binary black hole system depend on its masses and spins.
21. MANGO: An Autodiff Neutrino Oscillation Engine for Differentiable Analysis Pipelines
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.13429
   Computing neutrino oscillation probabilities is a solved problem; computing their derivatives is not.
22. N$^3$LO soft-gluon corrections for $Z\gamma$ production
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12556
   We calculate soft-gluon corrections for $Z\gamma$ production through next-to-next-to-next-to-leading-order (N$^3$LO) in one-particle-inclusive (1PI) kinematics.
23. Single-Variable Solutions in Supergravity
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.13155
   We construct four families of spacetime metrics depending on a single variable for a broad class of $D$-dimensional gravitational theories coupled to scalar and Abelian gauge fields.
24. Approximating Grassmann-valued Path Integrals with Radial Basis Function Neural Networks
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.10458
   Solving path integrals in quantum field theories often involves the numerical handling of noncommuting Grassmann fields, which is in many cases a highly nontrivial and numerically inefficient task, especially in large systems and at higher dimensions.
25. Models of a point particle in a three-dimensional AdS universe
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.12164
   In 2+1-dimensional gravity, a conical deficit is commonly interpreted as a point-like particle.
26. Transient beam loading effects on energy loss during beam abort in high-current storage ring
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12661
   Beam abort by shutting off the rf cavities is a widely used machine-protection scheme in modern diffraction-limited synchrotron light source storage rings.
27. A Novel One-loop Model for Majorana Neutrino Mass and Dark Matter
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12646
   We present the first complete field-theoretic realization of the finite one-loop T4-3-i topology for Majorana neutrino mass.
28. Lee-Yang paradigm of phase transition in eigenstate thermalized systems
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.13174
   As phase transitions in isolated quantum systems remain elusive, here we show how a thermodynamic-like phase transition, falling into the Lee-Yang paradigm, can arise in systems displaying eigenstate thermalization.
29. Calibrated correlation between heavy-quark masses and Hadronic Vacuum Polarization observables at the precision frontier
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.10112
   The theoretical prediction of the muon anomalous magnetic moment $a_\mu$ depends crucially on the Hadronic Vacuum Polarization (HVP), and the tension between its dispersive and lattice-QCD determinations remains unresolved.
30. Lorentz Symmetry Breaking Traversable Wormhole Models Supported by Einasto Dark Matter
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.12130
   We investigate static, spherically symmetric traversable wormholes in Kalb Ramond gravity, where spontaneous Lorentz symmetry breaking arises from a non-vanishing vacuum expectation value of the antisymmetric Kalb Ramond field.
31. Fine-tuned Normalizing Flows for ALICE Zero Degree Calorimeter Fast Simulation
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.12795
   Simulating the ALICE Zero Degree Calorimeter (ZDC) neutron detector responses at the LHC is computationally expensive, requiring complex Monte Carlo chains.
32. Topological diagrams of $\Omega^0_c$ decays in the $SU(3)_F$ limit
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.12742
   The $\Omega^0_c$ baryon is a unique charmed sextet baryon as it decays through weak interaction.

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 430 available items for this weekly brief.