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

UFO Sightings with Matchete: Connecting BSM Lagrangians with Event Generators

This paper introduces an extension to the Matchete package that automates the generation of Universal Feynman Output (UFO) files for generic Beyond the Standard Model theories and their Effective Field Theory descriptions, streamlining the workflow from Lagrangian definition to event generator-ready models through features like automatic gauge fixing and flavor symmetry imposition.

Luis Hourtz, Tamilarasan Ketheeswaran, Michael Krämer, Anders Eller Thomsen, Philip Weber, Felix Wilsch2026-09-25
⚛️ high-energy theory

Renormalon Saddles in the OPE

This paper provides a contour realization of renormalon ambiguity cancellation in the operator product expansion for the two-dimensional Gross-Neveu model at large NN, demonstrating how the perturbative Wilson coefficient and the renormalized condensate form complementary relative cycles of a reduced integrand whose complex tails cancel to reconstruct the original real integration cycle.

Arindam Bhattacharya, Jordan Cotler, Aurélien Dersy, Matthew D. Schwartz2026-09-25
⚛️ phenomenology

Measuring Dual-Superconductor Length Scales in the QCD Vacuum at HERA

This paper demonstrates that the dual-superconductor length scales of the QCD vacuum, specifically the penetration depth and coherence length, can be measured in exclusive J/ψJ/\psi photoproduction at HERA by fitting the Clem vortex profile to experimental data, yielding results consistent with lattice calculations and confirming the vacuum's type-II superconductor nature.

Tobias Toll, Nahid Vasim2026-09-25
⚛️ high-energy experiments

Inclusive BB decays, lifetimes, and ∣Vcb∣|V_{cb}|: a unified heavy-quark expansion analysis

This paper presents a global Heavy Quark Expansion analysis of inclusive BB decays and lifetimes using a novel approach with correlated perturbative scales, yielding a ∣Vcb∣|V_{cb}| value of (42.32±0.30)×10−3(42.32 \pm 0.30) \times 10^{-3} and highlighting a persistent tension between theoretical predictions and experimental measurements that calls for new correlated moment data.

Matteo Fael, Ilija S. Milutin, Markus Prim, K. Keri Vos2026-09-25