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.

⚛️ lattice

Chemical potential differentials in the QCD phase diagram from heavy-ion isobar collisions

This paper utilizes Bayesian thermal analysis of hadron yields from STAR Ru+Ru and Zr+Zr isobar collisions to precisely extract chemical potential differentials in the QCD phase diagram, thereby validating these collisions as a high-precision probe for four-dimensional QCD thermodynamics against lattice-QCD and Chiral Mean Field model predictions.

Joaquin Grefa, Chun Yue Tsang, Rajesh Kumar, Veronica Dexheimer, Claudia Ratti, Zhangbu Xu2026-01-30
⚛️ general relativity

Gravitational amplitudes in the Regge limit: waveforms, shock waves and unitarity cuts

This paper develops a systematic Regge-theory framework for high-energy gravitational scattering of massive particles with multiple graviton emissions, unifying quantum and classical descriptions through exponential S-matrix and shock-wave formalisms to compute specific amplitudes and waveforms for ultra-relativistic Kerr black holes.

Francesco Alessio, Vittorio Del Duca, Riccardo Gonzo, Emanuele Rosi2026-01-30
⚛️ phenomenology

Neural S-matrix bootstrap II: solvable 4d amplitudes with particle production

This paper employs a neural-network-based solution to nonlinear integral equations derived from unitarity and crossing symmetry to construct a solvable family of nonperturbative 4D scattering amplitudes that exhibit rich features like particle production and Regge behavior, while demonstrating that multi-particle data can be dynamically tuned to suppress low-spin production through a phenomenon termed "Aks screening."

Mehmet Asim Gumus, Damien Leflot, Piotr Tourkine, Alexander Zhiboedov2026-01-30
⚛️ phenomenology

Discovery Prospects for a Minimal Dark Matter Model at Cosmic and Intensity Frontier Experiments

This paper evaluates the discovery potential of a minimal secluded dark matter model with a kinetically mixed dark photon, demonstrating that while the secluded freeze-out regime is excluded by current constraints, future direct detection and intensity frontier experiments offer complementary sensitivity to the remaining freeze-in and out-of-equilibrium freeze-out parameter spaces.

Ahmed Alenezi, Cari Cesarotti, Stefania Gori, Jessie Shelton2026-01-29