⚛️ Category

hep-ex

2092 papers

Hep-Ex explores the fascinating intersection where particle physics meets experimental reality. This field investigates how scientists build massive detectors and accelerate particles to test the fundamental laws of nature, turning abstract theories into measurable data. It is the rigorous process of searching for new particles or forces that could reshape our understanding of the universe, often requiring years of collaboration and engineering.

At Gist.Science, we ensure these discoveries become accessible to everyone. We process every new preprint in this category directly from arXiv, generating both plain-language explanations for curious readers and detailed technical summaries for specialists. Our goal is to bridge the gap between complex experimental results and public understanding without losing scientific nuance.

Below are the latest papers in Hep-Ex, freshly summarized and ready for you to explore.

⚛️ phenomenology

Electroweak and Single Top-Quark Conspiracy in Current LHC Data

This paper analyzes recent LHC rate shifts in electroweak single top-quark and top-associated Higgs production using Standard Model Effective Field Theory to identify a specific pattern of dipole and gauge deformations, concluding that while no single weakly coupled particle multiplet can explain the data, a minimal multi-threshold vector-like-quark sector offers a viable, albeit complex, ultraviolet origin consistent with current experimental constraints.

Christoph Englert, Roman Kogler, Michael Spannowsky2026-08-25
⚛️ high-energy experiments

Reconstructing High-Fidelity Light Yield Maps for Surface LArTPCs Using Crossing Cosmic Muons

This paper presents a method for reconstructing high-fidelity, voxelized 3D light yield maps in surface liquid argon time projection chambers by utilizing crossing cosmic muons and solving a regularized inverse problem, which significantly improves spatial accuracy and stability compared to detector-wide averages.

Alex Heindel, Wei Shi, Angelo Ralaikoto, Shuaixiang Zhang, Laura Paulucci, Franciole Marinho, Maressa Pimenta Sampaio, S (…)2026-08-25
⚛️ nuclear experiments

Impact of Environmental Stress on Low Gain Avalanche Diode Sensors Response

This paper presents a systematic evaluation and simulation-based analysis of how environmental stressors, specifically temperature and humidity variations, impact the performance of Low Gain Avalanche Diode (LGAD) sensors fabricated at Brookhaven National Laboratory.

Mohamed Hijas Mohamed Farook, Gaetano Barone, Diallo Boye, Gabriele D'Amen, Gabriele Giacomini, Timo Peltola, Jennifer R (…)2026-08-25
⚛️ lattice

Calculation of neutron electric dipole moment from Lattice QCD

This paper presents a novel lattice QCD calculation of the neutron electric dipole moment induced by the QCD theta term using the Feynman-Hellmann theorem and background electric fields, yielding a result that confirms the strong-CP problem by constraining the theta angle to ∣θˉ∣≲10−11|\bar{\theta}|\lesssim 10^{-11}.

Thomas Blum, Fangcheng He, Taku Izubuchi, Luchang Jin, Hiroshi Ohki, Sergey Syritsyn2026-08-25
⚛️ lattice

Δ\Delta resonance contributions to QED radiative corrections in neutron and inverse beta decay

This paper incorporates the Δ(1232)\Delta(1232) resonance into heavy-baryon chiral perturbation theory calculations to show that it restores power counting for the axial-vector charge, significantly reduces the QED radiative correction to the gAg_A ratio, and increases pion-induced radiative corrections to inverse beta decay by a factor of 1.2–1.3.

Oleksandr Tomalak, Yi-Bo Yang2026-08-25
⚛️ high-energy experiments

Search for the lepton-flavor-violating decay τ±→μ±γ \tau^{\pm} \to \mu^{\pm} \gamma at Belle II

Using a dataset corresponding to 428 fb−1^{-1} of integrated luminosity, the Belle II collaboration searched for the lepton-flavor-violating decay τ±→μ±γ\tau^{\pm} \to \mu^{\pm} \gamma, found no significant excess over the expected background, and set an upper limit on the branching fraction of 9.5×10−89.5 \times 10^{-8} at the 90% confidence level.

Belle II Collaboration, M. Abumusabh, I. Adachi, A. Aggarwal, H. Ahmed, Y. Ahn, H. Aihara, M. Akdag, N. Akopov, S. Algha (…)2026-08-25
⚛️ lattice

Probing Glueball content of X(2370) through heavy quarkonium radiative decays and electron-positron annihilation

This paper investigates the glueball content of the X(2370)X(2370) resonance by analyzing light-cone distribution amplitudes and a tetra-mixing scheme to predict branching ratios for heavy quarkonium radiative decays and electroproduction cross sections, offering testable theoretical predictions for current BESIII and Belle-II experiments.

Ruilin Zhu, Qiang Zhao2026-08-25
⚛️ high-energy experiments

Imprints of nuclear shell structure in exclusive vector meson production

This paper demonstrates that exclusive vector meson production at small xx serves as a novel probe of nuclear shell structure, as self-consistent nuclear densities derived from the quark-meson coupling model significantly modify coherent diffractive patterns, particularly for intermediate-mass nuclei like calcium isotopes where J/ψJ/\psi production offers a clean signal free from saturation effects.

Arpita Mondal, Arjun Kumar, Debojit Sarkar2026-08-25