Clay weekly context brief for the High Energy Physics category (ISO week 2026-W33).

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. Absorption spectrum and greybody factors of charged black holes in loop quantum gravity
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05292
   In the last few decades, singularity-free black holes (BHs) obtained in the framework of Loop Quantum Gravity (LQG) have gained attention in the literature.
2. Spin Physics at NICA SPD
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.05772
   The Spin Physics Detector (SPD) is a universal detector at the NICA collider under commissioning at JINR, Dubna.
3. GOOFy-compatible 3HDMs and beyond
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05304
   Beyond conventional Higgs-family and general CP transformations, one may also consider a broader class of non-standard "GOOFy" transformations, in which the scalar fields and their conjugates are assigned related but inequivalent transformations.
4. Measurement-based simulation of lattice gauge theory dynamics with adaptive quantum circuits on a trapped-ion processor
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.04290
   Measurement-based quantum simulation (MBQS)---a recently proposed architecture for simulating lattice gauge theories---implements Hamiltonian dynamics by consuming a model-specific entangled resource state with adaptive mid-circuit measurements, rather than by a gate-based circuit.
5. Canonical quantization of the Pais-Uhlenbeck oscillator with a higher-derivative perturbation: a covariant phase space approach
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.00108
   In this paper, we apply the covariant phase space formalism to the perturbative canonical quantization of the Pais-Uhlenbeck oscillator, with the acceleration-squared term treated as a perturbation.
6. Charged Penrose Extraction in RN--AdS Black Holes with Dark Energy: Ergosphere Geometry and Rigorous Efficiency Bounds
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05641
   We develop a quantitative framework for charge assisted Penrose extraction in Reissner--Nordstr\"om Anti-de Sitter black holes surrounded by a Kiselev type anisotropic dark energy sector.
7. Search for the charged lepton flavour violating decay $\eta'\to e\mu$
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.06109
   Based on $(8998\pm40)\times10^6$ $J/\psi$ events collected in $e^+e^-$ collisions at $\sqrt{s} = 3.097$ GeV with the BESIII detector, we present a search for the charged lepton flavour violating decay $\eta'\to e\mu$ with $J/\psi\to\gamma\eta'$.
8. Beyond Borel Windows: A Systematic Optimization Framework for QCD Sum Rules
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05322
   We propose a systematic optimization framework for determining the sum rule window in QCD Laplace sum rules.
9. The two-particle-irreducible vertex of the two-dimensional lattice $\phi^4$ model across the Ising transition
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.04497
   We reconstruct the 2PI vertex $\Gamma(k,p;q)$ from Monte Carlo measurements of the connected two-particle correlator for the two-dimensional single-component $\phi^4$ lattice field theory and follow it across the Ising transition.
10. Confinement as Decoding: Higher Form Codes and Lattice Yang-Mills Theory
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.02452
   We study the relationship between quantum error correction, confinement, and lattice Yang-Mills theory.
11. Kinematic Bounds on Charged Energy Extraction in the Purely Electric Branch of Euler--Heisenberg Type f(R,T) Black Holes
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05644
   We derive and test kinematic upper bounds on charged energy extraction in the purely electric branch of a static $f(R,T)$ black hole family sourced by an Euler--Heisenberg type nonlinear electromagnetic sector.
12. Quantum noise reduction schemes for KAGRA post-O5 upgrade
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.06229
   Quantum noise, arising from the quantisation of electromagnetic field, has been a limiting noise source for current gravitational wave (GW) detectors.
13. HiggsTools for LHC Run 3 and Beyond
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05401
   HiggsTools, including the subpackages HiggsPredictions, HiggsBounds, and HiggsSignals, is a toolbox for Beyond-the-SM (BSM) scalar phenomenology at the LHC.
14. Is it worth the effort to find Lefschetz thimbles? Integration contours with numerically optimal signal-to-noise ratios in simple fermionic toy models
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2509.07881
   We perform a detailed analysis of the fermionic sign problem in a series of one dimensional integrals, that are achieved as extreme (one-site) limits of genuine physics models.
15. Rank matching in renormalization-group irreversibility: Exact defect and entropic tests
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.02447
   Why do local subtractions produce renormalization-group monotones in some settings but fail in others?
16. Constructing the canonical harmonic coordinates of Kerr metric to the fourth post-Minkowskian order
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05713
   In this paper we construct the canonical harmonic coordinates of the Kerr metric within the multipolar post-Minkowskian (MPM) formalism to the fourth post-Minkowskian (4PM) order.
17. The QCD Axion and Neutrino Masses
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.05150
   The strong CP problem and the origin of neutrino masses are among the clearest motivations for physics beyond the Standard Model.
18. Spinor tunnelling amplitudes from all-order Feynman diagram summation
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05511
   This work presents a non-perturbative quantum field theoretic computation of spinor tunnelling through a potential barrier.
19. Group-Equivariant Diffusion Models for Lattice Field Theory
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2510.26081
   Near the critical point, Markov Chain Monte Carlo (MCMC) simulations of lattice quantum field theories (LQFT) become increasingly inefficient due to critical slowing down.
20. Subleading Asymptotic Charges in Massless Scalar QED
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.02368
   We study subleading asymptotic charges of a U(1) gauge field coupled to a charged massless scalar field in Minkowski spacetime.
21. How Loud Must a Neutron-Star Merger Be to Reveal Its Equation of State?
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05794
   The tidal response of neutron stars during binary inspiral encodes the equation of state (EOS) of dense matter in the gravitational-wave signal.
22. Photon-nucleon entanglement in Compton scattering at low and high energies
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.05330
   We study spin-spin entanglement in the final state photon-nucleon system in Compton scattering, both at low energy below the pion threshold and at high energy in perturbative QCD to next-to-leading order.
23. Revisiting the $\Lambda_c^+ \to n\pi^+\eta$ decay in light of the BESIII measurement
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05629
   Motivated by the latest BESIII measurements on $\Lambda_c^+\to n\pi^+\eta$, we perform a systematic theoretical study of this decay.
24. Observation of renormalization group invariance in symmetry-restored nuclear lattice effective field theory
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2509.02953
   Renormalization group (RG) invariance implies that the predictions of effective field theory are independent of the momentum cutoffs introduced during regularization.
25. Superloop Equations and Minimal Surfaces I: Confining minimal surface in $4D, N=1$ SYM
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.02262
   We formulate the loop equations of pure $4d, N=1$ super Yang--Mills (SYM) theory in a finite geometric form.
26. Asymmetric Quantum Oppenheimer-Snyder Collapse
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05818
   We study black hole formation resulting from the collapse of a homogeneous and isotropic dust ball within a framework built upon loop quantum cosmology.
27. ePIC Early Science Report
   Source: hep-ex (High Energy Physics - Experiment)
   Link: https://arxiv.org/abs/2608.05377
   This Early Science Report from the ePIC Collaboration outlines the compelling physics program achievable during the first years of operation of the Electron-Ion Collider (EIC), prior to the establishment of the full design luminosity and energy range.
28. Net electron spin rotation in a plane-wave pulse: Holonomy set by the anomalous magnetic moment
   Source: hep-ph (High Energy Physics - Phenomenology)
   Link: https://arxiv.org/abs/2608.05698
   We compute the spin rotation that survives after a relativistic electron has crossed a plane-wave laser pulse of finite duration.
29. Dilated coordinate method for solving nuclear lattice effective field theory
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2509.13967
   We introduce a dilated coordinate method to address computational challenges in nuclear lattice effective field theory (NLEFT) for weakly-bound few-body systems.
30. Coarse-Graining and the Classification of Long-Range Correlations in Quantum Field Theory
   Source: hep-th (High Energy Physics - Theory)
   Link: https://arxiv.org/abs/2608.01989
   A conservation-law-guided classification framework is developed for the execution of coarse-graining operations in quantum field theory.
31. A Scale-Invariant Theory of the Universe
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.05929
   Modern physics has achieved extraordinary empirical success while retaining much of the absolute, unobservable structure introduced by Newton, largely without questioning its necessity.

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 31 of 393 available items for this weekly brief.