⚛️ Category

hep-ph

3371 papers

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

Polarization structure and spin covariance of massive vector-boson amplitudes in QCD

This paper demonstrates that helicity amplitudes for vector-boson decays to massless leptons, despite appearing to project only onto transverse polarization, encode complete information about all polarization states (including longitudinal) through little-group covariance, allowing the full covariant matrix to be reconstructed from any single polarization component using simple replacement rules in the massive spinor-helicity formalism.

Giuseppe De Laurentis, Kirill Melnikov, Matteo Tresoldi2026-03-12
⚛️ high-energy experiments

Fragmentation contributions to transverse nucleon spin observables in semi-inclusive deep-inelastic scattering at NLO

This paper investigates fragmentation contributions to transverse nucleon spin observables in semi-inclusive deep-inelastic scattering at next-to-leading order within the collinear twist-3 factorization framework, confirming the validity of the formalism at the one-loop level and providing numerical predictions for HERMES and future EIC kinematics.

Diego Scantamburlo, Marc Schlegel2026-03-12
⚛️ phenomenology

Analysis of the hidden-charm pentaquark candidates in the J/ψΣJ/\psi \Sigma mass spectrum via the QCD sum rules

This paper employs QCD sum rules within a diquark model to systematically calculate the mass spectrum of hidden-charm singly-strange pentaquark states (uusccˉuusc\bar{c}) with quantum numbers IJP=112−IJ^{P}=1{\frac{1}{2}}^-, 132−1{\frac{3}{2}}^-, and 152−1{\frac{5}{2}}^-, proposing specific Σb\Sigma_b and Ξb\Xi_b decay channels for their experimental detection in the J/ψΣJ/\psi \Sigma mass spectrum.

Zhi-Gang Wang, Yang Liu2026-03-12
⚛️ nuclear theory

Incoherent diffractive dijet production and gluon Bose enhancement in the nuclear wave function

This paper demonstrates that gluon Bose enhancement in the nuclear wave function significantly increases the cross section for incoherent diffractive dijet production when the jets have equal and aligned transverse momenta, an effect that persists and is amplified by JIMWLK evolution in both dilute and dense regimes.

Tiyasa Kar, Alexander Kovner, Ming Li, Vladimir V. Skokov2026-03-11
⚛️ phenomenology

Non-thermal production of heavy vector dark matter from relativistic bubble walls

This paper demonstrates that heavy vector dark matter at the TeV scale or higher can be efficiently produced non-thermally via relativistic bubble wall expansion during a first-order phase transition, a mechanism that dominates over wall collisions and predicts a phase transition scale accessible to future gravitational wave detectors.

Wen-Yuan Ai, Malcolm Fairbairn, Ken Mimasu, Tevong You2026-03-11
⚛️ phenomenology

Charged Higgs Boson Phenomenology in the Dark Z mediated Fermionic Dark Matter Model

This paper investigates the phenomenology of a light charged Higgs boson (110<mH±<170110 < m_{H^\pm} < 170 GeV) within a fermionic dark matter model mediated by a light Z′Z' boson, analyzing its production mechanisms at the LHC, current experimental constraints from ATLAS and CMS, and its interplay with dark matter properties.

Kyu Jung Bae, Jinn-Ouk Gong, Dong-Won Jung, Kang Young Lee, Chaehyun Yu, Chan Beom Park2026-03-11
⚛️ phenomenology

Accelerating multijet-merged event generation with neural network matrix element surrogates

This paper proposes a method to accelerate multijet event generation for LHC analyses by employing neural-network surrogates within a two-stage rejection-sampling algorithm, achieving over a tenfold reduction in generation time for Z+jets processes at the HL-LHC compared to the baseline Sherpa generator.

Tim Herrmann, Timo Janßen, Mathis Schenker, Steffen Schumann, Frank Siegert2026-03-11