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 establishes robust upper bounds on heavy QCD axion lifetimes as low as 0.017 seconds by analyzing Big Bang Nucleosynthesis constraints on neutron-to-proton ratio modifications from hadronic decays, a limit that surpasses projected future CMB bounds and remains largely insensitive to hadronic uncertainties.
This paper demonstrates that a future 3 TeV muon collider can decisively test the muonphilic dark matter hypothesis, which explains the Galactic Center GeV Excess, by projecting comprehensive exclusion limits across a wide range of mediator masses using four distinct search strategies with a -even mediator.
This paper presents a unified exact solution to the relativistic Boltzmann equation for a boost-invariant conformal gas on across all constant-curvature slicings, which reproduces known Bjorken and Gubser flows while introducing a novel analytic "Grozdanov flow" for hyperbolic foliations that naturally encompasses both hydrodynamic and free-streaming regimes.
This paper presents a study of the mass spectra and mass differences of heavy hadrons containing bottom quarks using MILC's 2+1+1 flavor HISQ gauge ensembles, employing a mixed-action approach with NRQCD for bottom quarks, anisotropic Clover for charm, and O(a)-improved Wilson-Clover for light and strange quarks.
This paper proposes that spinning black holes in the Milky Way can act as persistent "scalar sirens" by ejecting light scalar particles via superradiant instability, thereby generating a detectable, high-velocity scalar background that offers a novel, independent probe of isolated black hole populations and scalar field properties.
This paper demonstrates that the RES-NOVA experiment, utilizing archaeological lead crystals, can probe neutrino non-standard interactions (NSI) at levels comparable to current global fits in its nominal configuration and potentially surpass them with improved energy thresholds or increased exposure, particularly in the electron and tau sectors.
This paper presents a comprehensive study of heavy flavor baryon spectroscopy using a quark-diquark effective mass formalism under two interaction scenarios, successfully predicting the masses of various states that align well with experimental and lattice QCD data by incorporating constituent masses, hyperfine interactions, and a mass-dependent binding energy term.
This paper demonstrates that for shift-symmetric scalars in de Sitter space, a quantum anomaly in renormalization forces the late-time wavefunction to acquire an imaginary part that is entirely determined by its renormalization scale dependence to all loop orders, thereby establishing an infinite set of relations among correlators of massless fields and their conjugate momenta.
This paper compares explicit symmetry encoding (L-GATr) and implicit structure learning (OmniLearn) in particle physics, finding that both approaches achieve comparable performance across challenging tasks like unfolding and anomaly detection, suggesting that efficiency gains from encoding known physics structures are largely method-independent.
This paper develops a general formalism for computing physical observables in the background field approach by representing propagators as path-ordered exponents, applying it to DIS dijet production to derive a cross section valid in arbitrary kinematics and demonstrating its consistency with known results in both back-to-back and small- limits while providing a quantitative matching between these regimes.