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

Evidence for differential kinetic freeze-out of the ϕ(1020)\phi(1020) meson in Pb-Pb collisions at sNN=2.76\sqrt{s_{\rm NN}} = 2.76 TeV

This paper provides quantitative evidence that the ϕ(1020)\phi(1020) meson undergoes kinetic freeze-out earlier than bulk hadrons in central Pb-Pb collisions at sNN=2.76\sqrt{s_{\rm NN}} = 2.76 TeV due to its OZI-suppressed interaction cross section, as demonstrated by a statistically significant deviation in its freeze-out parameters from the bulk.

Neeraj, Amal Sarkar2026-07-01
⚛️ phenomenology

Boosted Higgs-strahlung off a WW boson at next-to-next-to-next-to-leading order in QCD

This Letter presents the first fully differential next-to-next-to-next-to-leading order (N3^3LO) QCD calculation for boosted Higgs-strahlung off a WW boson, revealing approximately +2%+2\% corrections and reducing theoretical scale uncertainties to below the percent level to significantly advance the Higgs precision program.

Aude Gehrmann-De Ridder, Alexander Huss, Matteo Marcoli, Pier Francesco Monni, Emanuele Re, Luca Rottoli, Federico Silve (…)2026-07-01
⚛️ phenomenology

Nonlinear growth and amplification of phase-transition gravitational waves induced by cosmic expansion

This paper presents the first three-dimensional hydrodynamical simulations of cosmological first-order phase transitions in an expanding background, revealing that cosmic expansion unexpectedly induces highly nonlinear growth in the gravitational wave energy fraction, leading to a significant O(10)\mathcal{O}(10) to O(100)\mathcal{O}(100) amplification of the spectra, particularly for initially weak transitions.

Xiao Wang, Chi Tian, Csaba Balázs2026-07-01
⚛️ phenomenology

Chiral corrections in electroweak processes with heavy mesons

This thesis applies the effective theory of combined chiral and heavy quark symmetry (HHChPT) to predict rare radiative charm decays within the Standard Model and MSSM frameworks, estimates quenched lattice artifacts in B-meson transitions, and provides technical clarifications including explicit scalar function calculations and modified renormalization group evolutions for next-to-leading order Wilson coefficients.

Jure Zupan2026-07-01