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

Tensor-polarized twist-3 parton distribution functions fLT(x)f_{LT}(x) for the spin-1 deuteron by using twist-2 relations

This paper calculates the tensor-polarized twist-3 parton distribution function fLT(x)f_{LT}(x) for the spin-1 deuteron by applying twist-2 relations to the known twist-2 function f1LL(x)f_{1LL}(x), demonstrating that fLT(x)f_{LT}(x) is comparable in magnitude to f1LL(x)f_{1LL}(x) and suggesting that current and future facilities like JLab and the EIC are well-suited to investigate these higher-twist effects.

S. Kumano, Kenshi Kuroki2026-03-17
⚛️ phenomenology

Scalaron dark matter dynamics: effects of Higgs non-minimal coupling to gravity

This paper investigates how a non-minimal coupling between the Higgs field and gravity influences the dynamics of the scalaron as a dark matter candidate in R2R^2-gravity, revealing that the interplay between this coupling and the scalaron's self-interaction can either suppress the trilinear interaction to enable a misalignment mechanism or dominate the relic density, thereby constraining the scalaron mass to the meV range and establishing a new upper bound on the product of the coupling and mass from LHC Higgs data.

Shibendu Gupta Choudhury, Koushik Dutta, Deep Ghosh2026-03-17
⚛️ phenomenology

Analysis of the strong decay X(4140)J/ψϕX(4140)\rightarrow J/\psi \phi via the light-cone QCD sum rules

This paper employs light-cone QCD sum rules with a modified phenomenological approach to calculate the strong decay width of the X(4140)X(4140) into J/ψϕJ/\psi \phi, yielding a result of 145±21145\pm21 MeV that aligns with experimental data and supports the interpretation of X(4140)X(4140) as an axialvector tetraquark state with the specific quark structure [sc]S[sˉcˉ]A+[sc]A[sˉcˉ]S[sc]_S[\bar{s}\bar{c}]_A+[sc]_A[\bar{s}\bar{c}]_S.

Zun-Yan Di, Zhi-Gang Wang2026-03-17
⚛️ nuclear theory

Energy-momentum tensor form factor D(t) of proton and neutron

This paper constructs a neutron model analogous to a classical proton model to demonstrate that, despite electromagnetic-induced divergences at extremely small momentum transfers, the energy-momentum tensor form factor D(t)D(t) of protons and neutrons remains practically indistinguishable across experimentally accessible ranges, thereby accurately explaining the nucleon mass difference and reproducing lattice QCD data.

Andrea Mejia, Peter Schweitzer2026-03-17
⚛️ phenomenology

The Ds0(2317)+D_{s0}^*(2317)^+ decay to Ds+π0D_s^+\pi^0 and Ds+γD_s^{*+}\gamma

This paper investigates the strong and radiative decay widths of the Ds0(2317)+D_{s0}^*(2317)^+ state within a local hidden gauge molecular framework, finding that coupled-channel interactions and π0η\pi^0-\eta mixing significantly influence the strong decay width while anomalous terms prove negligible, ultimately calling for precise independent measurements to clarify the state's nature in light of recent Belle data.

Pei-Sen Su, Wen-Tao Lyu, Wei-Hong Liang, Eulogio Oset2026-03-17
⚛️ phenomenology

a0(980)a_0(980) production, triangle singularity, and non-ϕ\phi background in the J/ψϕηπ0J/\psi \to \phi \eta \pi^0 reaction

This paper analyzes the J/ψϕηπ0J/\psi \to \phi \eta \pi^0 reaction to explain the narrow a0(980)a_0(980) width and the origin of "non-ϕ\phi" peaks via triangle singularities, while demonstrating that the experimental technique of selecting ϕ\phi mesons in a narrow K+KK^+K^- mass window suppresses the observable strength of these singularities, suggesting they could be detected using alternative identification methods.

Hai-Peng Li, Wei-Hong Liang, Chu-Wen Xiao, Eulogio Oset2026-03-17