hep-ph papers | Gist.Science

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.

Conditional Wasserstein GAN for Simulating Neutrino Event Summaries using Incident Energy of Electron Neutrinos

This paper introduces a Conditional Wasserstein GAN framework that efficiently simulates full multidimensional kinematic summaries for electron neutrino interactions (specifically IBD-CC, NC, and NuEElastic processes) across a 10–31 MeV energy range, offering a computationally superior alternative to traditional Monte Carlo methods while accurately reproducing complex statistical correlations.

Dipthi S., Kalyani Desikan2026-03-24⚛️ hep-ph

Bayesian extraction of TMC-free collectivity in p+p and p+Pb collisions at the LHC

This paper develops a Bayesian inference framework to disentangle genuine collective flow from transverse momentum conservation (TMC) backgrounds in small collision systems, revealing that while $p$ +Pb data aligns with standard flow measurements, $p$ + $p$ collisions require this new method to accurately extract flow magnitudes that are otherwise underestimated due to competing TMC effects.

Shuang Guo, Jia-Lin Pei, Guo-Liang Ma, Adam Bzdak2026-03-24⚛️ nucl-ex

Strong decays of the hidden-charm molecular pentaquarks

This paper investigates the strong decays of hidden-charm molecular pentaquarks using an effective Lagrangian approach, calibrating cutoff parameters with $P_{\psi}^N(4312)$ to favor a spin assignment where the lower-mass $P_{\psi}^N(4440)$ has $J=3/2$ and the higher-mass $P_{\psi}^N(4457)$ has $J=1/2$ , while successfully reproducing the experimental widths of the strange pentaquarks $P_{\psi s}^\Lambda(4338)$ and $P_{\psi s}^\Lambda(4459)$ .

Jin-Cheng Deng, Yong Ru, Xin-Yue Wan, Tai-Fu Feng, Bo Wang2026-03-24⚛️ hep-ph

Inflationary Phase Transitions in the Early Universe: A Bayesian Study with Space-Based Gravitational Waves Detectors

This paper presents a realistic Bayesian analysis using a Taiji-like space-based detector to demonstrate that phase transitions during inflation can be detected and their parameters reconstructed from stochastic gravitational-wave backgrounds, provided the signal strength is sufficient to overcome instrumental noise and astrophysical foregrounds.

Qingyuan Liang, Chen Yang, Haipeng An, Huai-Ke Guo2026-03-24⚛️ hep-ph

Multiplicity distribution of produced gluons in deep inelastic scattering: main equations and their homotopy solutions for heavy nuclei

This paper derives new equations for the multiplicity distribution of produced gluons in deep inelastic scattering on heavy nuclei using a dipole approach and AGK cutting rules, develops a homotopy method to solve them, and provides an analytical solution for large multiplicities to calculate the resulting gluon entropy.

Carlos Contreras (UTFSM), Jose Garrido (UTFSM), Eugene Levin (Tel Aviv U.)2026-03-24⚛️ hep-ph

Spacelike and timelike structure functions: a dispersive crossing relation

This paper proposes a new dispersive framework for the analytic continuation of hadronic current correlators, deriving subtracted dispersion relations that connect spacelike deep inelastic scattering structure functions to timelike fragmentation functions while introducing a factorized function to quantify crossing obstructions.

Aniruddha Venkata2026-03-24⚛️ hep-ph

Energy loss predicts no $v_2$ in small systems

This paper presents a perturbative QCD-based energy loss model calibrated on large systems that successfully predicts experimental $R_{AA}$ data in small systems like Ne+Ne and O+O, yet surprisingly forecasts a near-zero high- $p_T$ elliptic flow ( $v_2$ ) due to a geometric decorrelation between hard and soft participant planes inherent to standard experimental measurement methods.

Ben Bert, Coleridge Faraday, W. A. Horowitz2026-03-24⚛️ hep-ph

Jet quenching and its substructure dependence due to color decoherence

Motivated by color coherence and decoherence effects, this paper proposes a theoretical framework combining vacuum-like evolution and medium-induced radiation to successfully describe the inclusive jet modification factor and its substructure dependence in 0–10% PbPb collisions at $\sqrt{s_{NN}} = 5.02~\rm{TeV}$ as measured by ATLAS.

Xiang-Pan Duan, Lin Chen, Guo-Liang Ma, Carlos A. Salgado, Bin Wu2026-03-24⚛️ nucl-ex

Kinky vortons in the 2HDM

This paper demonstrates the existence and dynamical stability of current-carrying "kinky vorton" ring solutions within the $\mathbb{Z}_2$ -symmetric global two-Higgs-doublet model, validating their description via thin string approximations and suggesting a mechanism for their formation in three-dimensional settings through composite domain wall configurations.

Richard A. Battye, Steven J. Cotterill, Adam K. Thomasson2026-03-24⚛️ hep-ph

Exact center symmetry and first-order phase transition in QCD with three degenerate dynamical quarks

Using first-principles lattice simulations with an exact center symmetry induced by a specific imaginary isospin chemical potential, this study demonstrates that QCD with three degenerate dynamical quarks undergoes a first-order deconfinement phase transition and maps its behavior in the mass-isospin chemical potential plane.

Gergely Endrodi, Guy D. Moore, Adam Pieczynski, Alessandro Sciarra2026-03-24⚛️ hep-lat

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