5582 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.
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.
This paper investigates the phenomenology of a light charged Higgs boson ( GeV) within a fermionic dark matter model mediated by a light boson, analyzing its production mechanisms at the LHC, current experimental constraints from ATLAS and CMS, and its interplay with dark matter properties.
This paper demonstrates that multi-body dark matter annihilation, typically considered negligible, can drive a significant photon proliferation effect in nonthermal scenarios where dark matter becomes nonrelativistic early, thereby imposing constraints on ultralight dark matter couplings that are orders of magnitude stronger than existing limits.
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.
This paper demonstrates that introducing dark decay channels for sub-GeV heavy neutral leptons fails to evade cosmological constraints, as the resulting increase in extra radiation energy density actually strengthens Big Bang Nucleosynthesis bounds on their mixing angles.
Using QCD sum rules, this paper investigates triquark-antitriquark hexaquark configurations to interpret the BESIII-observed and states, finding that two predicted candidates match the experimental masses while offering new predictions for and states and analyzing their decay modes.
This paper proposes that if the reheating of the early universe is driven by thermal dissipation, it would leave distinctive imprints on the spectrum of primordial gravitational waves, offering a potential observational method to probe the underlying physics of this process.
This paper re-examines the uncertainty of the theoretical prediction for the ground-state hyperfine splitting in muonium and compares it with the assessments found in the two most recent CODATA adjustments of fundamental physical constants.
This paper formulates a stochastic generalization of the Schwinger effect to compute vacuum decay rates and particle number densities in transient, inhomogeneous, and fluctuating gauge-field backgrounds, providing closed-form analytical expressions for scalar and fermionic cases with applications to cosmological and astrophysical scenarios.
This paper employs a dispersive approach constrained by analyticity, unitarity, and recent Khuri-Treiman solutions for amplitudes to derive a minimal two-parameter representation of the form factors governing CP-conserving decays, successfully reproducing experimental data and determining previously unknown signs and amplitude components.