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

Structure Formation with Dark Magnetohydrodynamics

This paper presents the first magnetohydrodynamic study of gravitational collapse in a secluded dark U(1)DU(1)_D model, demonstrating that dark magnetic fields induce direction-dependent anisotropic pressure that suppresses small-scale power and can be tested by future high-resolution probes like CMB-HD, HERA, and EDGES.

Pierce Giffin, Andrew Liu, Jeremias Boucsein, Akaxia Cruz, Anirudh Prabhu, Stefano Profumo, M. Grant Roberts2026-03-25
⚛️ high-energy experiments

Constraining the Higgs potential using multi-Higgs production

This paper summarizes the current status of next-to-leading-order electroweak corrections to double-Higgs production within Standard Model and Higgs Effective Field Theory frameworks, highlighting how these calculations enhance sensitivity to Higgs self-couplings and provide complementary constraints on the Higgs potential for future collider experiments.

Jia-Le Ding, Zach Gillis, Ulrich Haisch, Brian Moser, Hai Tao Li, Davide Pagani, Luca Rottoli, Ambresh Shivaji, Zong-Guo (…)2026-03-25
⚛️ phenomenology

Search for the production of dark Higgs in the framework of Mono-Z′^{\prime} portal at the FCC-ee simulated electron-positron collisions at s=240\sqrt{s} = 240 GeV

This paper investigates the production of dark Higgs bosons via a Mono-Z' portal in simulated electron-positron collisions at the FCC-ee operating at 240 GeV, utilizing dimuon plus missing transverse energy events to set 95% confidence level upper limits on the dark Higgs mass in the absence of new physics discoveries.

S. Elgammal, N. De Filippis2026-03-25
⚛️ phenomenology

Neutrino Oscillation Parameter Estimation Using Structured Hierarchical Transformers

This paper introduces a structured hierarchical transformer framework that reformulates atmospheric neutrino oscillation parameter inference as a supervised regression task, achieving accuracy comparable to Markov Chain Monte Carlo baselines while offering significant computational speedups and reliable, distribution-free uncertainty quantification.

Giorgio Morales, Gregory Lehaut, Antonin Vacheret, Frederic Jurie, Jalal Fadili2026-03-25
⚛️ high-energy theory

A Conformal Bridge for the Light Transform of QCD Correlation Functions

This paper introduces a "conformal bridge" method that utilizes the Wilson-Fisher fixed point to extend the light transform technique to non-conformal QCD, enabling the first higher-loop calculation of collider correlators like the charge-charge correlation by leveraging conformal field theory tools and recovering four-dimensional results from lower-loop data.

Hao Chen, Pier Francesco Monni, Zhaoyan Pang, Gherardo Vita, Hua Xing Zhu2026-03-25
⚛️ phenomenology

Kinetic Isocurvature Perturbation

This paper introduces "kinetic isocurvature perturbations," a new class of primordial fluctuations arising from spatially modulated decays of heavy fields into dark matter, which evade Cosmic Microwave Background constraints by leaving early density perturbations unaffected while creating spatial variations in the matter power spectrum via changes in the free-streaming scale.

Kyu Jung Bae, Dhong Yeon Cheong, Jinn-Ouk Gong, Keisuke Harigaya, Chang Sub Shin2026-03-25
⚛️ phenomenology

Slow-down of expanding bubbles in the early Universe

This paper investigates the slow-down of expanding bubbles during cosmological first-order phase transitions, finding that while impeding shockwaves primarily slow down the fastest walls (failing to explain gravitational wave suppression), the shrinkage of heated false vacuum droplets at the end of the transition naturally correlates with the observed suppression of gravitational waves, particularly for stronger transitions and slower deflagrations.

Nabeen Bhusal, Simone Blasi, Thomas Konstandin, Enrico Perboni, Jorinde van de Vis2026-03-25