Hep-Ph explores the fundamental forces that govern how particles interact and behave at the smallest scales imaginable. This field bridges the gap between theoretical predictions and experimental reality, helping scientists understand the building blocks of our universe without getting lost in complex mathematics. Whether investigating the Higgs boson or searching for new physics beyond current models, these studies push the boundaries of human knowledge about matter and energy.

At Gist.Science, we process every new preprint in this category as soon as it appears on arXiv. We strip away the dense jargon to offer both accessible plain-language explanations and detailed technical summaries, ensuring that groundbreaking research is understandable to everyone from students to seasoned experts. Below are the latest papers in this dynamic field, ready for you to explore with clarity and depth.

⚛️ phenomenology

Novel Signatures of Matter-Induced Dark Matter Decay in Large-Volume Neutrino Telescopes

This paper proposes a novel mechanism where excited dark matter states, stable in vacuum but induced to decay by interactions with ordinary matter, produce distinctive pairs of non-collimated muon tracks in large-volume neutrino telescopes like IceCube and KM3NeT, offering a unique discovery channel with negligible Standard Model backgrounds.

Hooman Davoudiasl, Dan Hooper, Samyak Jain2026-08-07
⚛️ phenomenology

GOOFy-compatible 3HDMs and beyond

This paper introduces a sign-orbit technique to systematically classify GOOFy-compatible quadratic structures in multi-Higgs models, demonstrating that such structures exist only under specific group-theoretic conditions and revealing that the renormalisation-group stability of the r0→−r0r_0 \to -r_0 manifold is a unique consequence of SU(2)SU(2) algebra rather than a generic feature.

I. de Medeiros Varzielas, A. Kunčinas2026-08-07
⚛️ nuclear theory

Photon-nucleon entanglement in Compton scattering at low and high energies

This paper investigates spin-spin entanglement in Compton scattering across low and high energy regimes, establishing a no-go theorem for real amplitudes in unpolarized scattering and demonstrating that polarized scattering off nucleons produces diverse maximally entangled states sensitive to electromagnetic polarizabilities, thereby proposing entanglement as a novel probe for nucleon structure.

Yoshitaka Hatta, Víctor Martínez-Fernández2026-08-07
⚛️ phenomenology

Coherent and Stochastic Axion Dark Matter from Thermal Relaxation

This paper proposes a unified framework where thermal relaxation of axions in an expanding plasma partitions dark matter into coherent and stochastic components, resulting in a relic population with lower mean momentum, reduced isocurvature, and distinct structural properties compared to standard equilibrium scenarios.

Shahid Hussain Gurmani, Arzu Cilli, Phongpichit Channuie, Ahmadjon Abdujabbarov, Farruh Atamurotov, Ertan Güdekli2026-08-07
⚛️ phenomenology

Revisiting the Λc+→nπ+η\Lambda_c^+ \to n\pi^+\eta decay in light of the BESIII measurement

Motivated by recent BESIII measurements, this study systematically analyzes the Λc+→nπ+η\Lambda_c^+ \to n\pi^+\eta decay, finding that while the a0(980)a_0(980) resonance and nucleon excitations significantly contribute to the process, current experimental limitations prevent a precise extraction of their individual roles, thus calling for higher-statistics future measurements.

Meng-Yuan Li, Jing Tang, Wen-Tao Lyu, Shi-Chen Xue, En Wang2026-08-07
🔬 optics

Net electron spin rotation in a plane-wave pulse: Holonomy set by the anomalous magnetic moment

This paper demonstrates that the net spin rotation of a relativistic electron after crossing a plane-wave laser pulse is an exact geometric holonomy determined solely by the electron's anomalous magnetic moment and the pulse's spin angular momentum, a result that vanishes for the ideal g=2g=2 case but is recovered in realistic focused beams.

N. S. Akintsov, A. P. Nevecheria, S. N. Andreev, Qing-Hua Qin2026-08-07
⚛️ high-energy theory

Information--Theoretic Black Hole Entropy II: Infrared Gravity and Charged/Rotating Extensions

This paper extends an information-theoretic black hole entropy, defined via Kullback-Leibler divergence and satisfying the Nernst third law, to charged and rotating Kerr-Newman cases while demonstrating that its thermodynamic properties can be reproduced by an infrared deformation of General Relativity that generates a small positive effective cosmological term.

Alex Kehagias2026-08-07
⚛️ phenomenology

Descoped and Upscoped FCC-ee Running Scenarios in the SMEFT

This paper evaluates how descoped (reduced beam power, fewer interaction points, or delayed top-quark runs) and upscoped (increased luminosity) FCC-ee running scenarios impact new physics sensitivity within the SMEFT framework, demonstrating that the top-quark run is critical to the collider's overall physics potential and its complementarity with HL-LHC measurements.

Eugenia Celada, Elie Hammou, Jaco ter Hoeve, Marion O. A. Thomas2026-08-07