3393 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 proposes a unified one-flavon Froggatt--Nielsen model where a single hierarchical parameter , determined by charged-lepton mass ratios, successfully reproduces quark masses, CKM mixing angles, and viable lepton sector observables at the scale through compact correlations derived from powers of .
This paper analyzes various dynamical dark energy models against the latest cosmological observations (excluding SH0ES and structure formation data) and finds that the "flipped RVM," along with the XCDM and threshold RVM models, provides significant evidence for dynamical dark energy comparable to the CDM parameterization, particularly when using DES-Y5 data.
This paper introduces a coordinate-independent differential-form framework to systematically derive Newman-Penrose null-tetrad equations for Lorentz-violating extensions of Maxwell electrodynamics up to mass dimension six, providing an efficient tool for analyzing asymptotic photon propagation and polarization.
This thesis investigates whether a hypothetical 17 MeV particle coupled to electrons, suggested by recent ATOMKI and PADME anomalies, could serve as a mediator between the Standard Model and a hidden dark sector to explain the nature of dark matter.
This paper investigates the semileptonic decays of mesons into mesons using light-cone sum rules within a chiral heavy quark effective field theory framework to provide precise predictions for branching fractions and lepton flavor universality ratios that are consistent with recent BESIII experimental measurements.
This paper proposes that color-sextet scalar diquarks, unlike their color-triplet counterparts, can naturally explain the observed CP violation in decays and related U-spin sum rule deviations through unsuppressed amplitudes and a specific flavor hierarchy in their couplings.
This paper models the string axiverse as a system of coupled axions with hierarchical masses to demonstrate that collective effects generally suppress the field ranges and detection prospects of most axions, thereby narrowing the most promising observational targets to the QCD axion, heavy axion subcomponents, and potentially light axions with independent Standard Model interactions.
This paper demonstrates that thermal friction in DFSZ-like models significantly delays the scaling dynamics of axion strings, thereby increasing axion energy density and allowing axion masses of approximately 0.1 eV, in addition to the standard meV range, to account for the observed dark matter abundance.
This paper employs an Effective Field Theory framework to derive a factorization formula for inclusive jet production in dense media, demonstrating that both the Landau-Pomeranchuk-Migdal effect and color decoherence are governed by a single dimensionless parameter and can be systematically incorporated into jet quenching phenomenology through multi-sub-jet operators.
This paper proposes a novel experimental search for dark photons at electron accelerators using inverse Compton scattering () with laser photons and a 3 GeV electron beam, demonstrating that this setup can probe unexplored regions of dark sector parameter space through photon counting techniques.