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.

Generalized Predictions for the Electromagnetic Signatures of Mirror Stars

This paper presents generalized predictions for the optical and infrared electromagnetic signatures of optically thick mirror star nuggets by solving stellar structure equations and characterizing their emission spectra, thereby providing a comprehensive framework to distinguish these objects from regular stars in existing and future astronomical catalogues.

Franco Cabral, Stuart Williamson, David Curtin, Christopher D. Matzner2026-04-02🔭 astro-ph

QCD in strong magnetic fields: fluctuations of conserved charges and equation of state

This paper presents continuum-estimated (2+1)-flavor lattice QCD results demonstrating that the baryon-electric charge correlation χ11BQ\chi^{\rm BQ}_{11} serves as a sensitive magnetometer for strong magnetic fields, while also mapping the equation of state up to eB0.8 GeV2eB \simeq 0.8~{\rm GeV}^2 and constructing detector-compatible observables to bridge theoretical predictions with experimental heavy-ion collision data.

Heng-Tong Ding, Jin-Biao Gu, Arpith Kumar, Sheng-Tai Li2026-04-02⚛️ hep-lat

Motivation and design of a yotta-eV τ+τ\tau^+\tau^- collider

The paper advocates for a bold, long-term shift in particle physics research toward the development of a yotta-eV scale tau-lepton collider located in the Oort cloud, arguing that despite requiring Kardashev Level-I or II civilization capabilities, this approach should become the community's primary focus for precision Higgs studies and new particle discovery.

Matt Bellis, Matthew Carberg, Chester Gould, Jackson Ingenito, Fasiha Khaliq, Emely Kintzel, Shane Kirschmann, Neha Matta, Sophia Pavia, Emmett Pearl, Payton Ramsdill, Grace Scherer, Cullen Wright2026-04-02⚛️ hep-ph

Gravitational wave spectrum from first-order QCD phase transitions based on a parity doublet model

Using the parity doublet model, this paper demonstrates that gravitational waves from the nuclear liquid-gas phase transition in QCD could produce detectable signals in the millihertz to nanohertz bands, whereas those from the chiral phase transition are too weak to be observed, thereby linking the chiral invariant mass to potential gravitational wave signatures of nucleon mass origins.

Bikai Gao, Jingdong Shao, Hong Mao2026-04-02⚛️ nucl-th

Searching for New Physics Inside Jets with the Herwig 7 Generalised Parton Shower

This paper utilizes the Herwig 7 framework to demonstrate that massive ZZ' bosons produced via BSM parton shower radiation, rather than direct hard processes, populate non-isolated regions within jets, offering a novel and previously overlooked avenue for discovering new physics through jet substructure analysis at the LHC and future colliders.

Taehee Kim, Joon-Bin Lee, M. R. Masouminia, Michael H. Seymour, Un-ki Yang2026-04-02⚛️ hep-ph

Absorption of 1PP-wave heavy charmonium χc1(1P)\chi_{c1}(1P) in nuclei

This paper investigates the photoproduction and nuclear absorption of χc1(1P)\chi_{c1}(1P) charmonium on 12^{12}C and 184^{184}W targets near the kinematic threshold using a collision model with nuclear spectral functions, demonstrating that calculated observables are sensitive to absorption scenarios and could help determine the χc1(1P)\chi_{c1}(1P)-nucleus cross section for future experiments at the CEBAF facility.

E. Ya. Paryev2026-04-02⚛️ nucl-ex