5500 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 contribution presents updated theoretical predictions for the lifetimes of all weakly decaying doubly heavy baryons ($bb$, $cc$, $bc$) as well as the meson by incorporating higher-order QCD corrections, comparing various mass schemes, and establishing specific lifetime hierarchies for different ground-state spin configurations.
Using the dynamic diquark model with a Born-Oppenheimer potential derived from lattice QCD, this study predicts that the doubly heavy scalar tetraquark lies near the threshold as a potential bound state or narrow resonance, while the axial-vector state is a compact -wave resonance situated approximately 23–28 MeV above the threshold.
This paper introduces the open-source NNLOJET parton-level event generator, which implements the antenna subtraction method to compute jet cross sections and related observables at NNLO QCD accuracy across electron-positron, lepton-hadron, and hadron-hadron collisions.
This paper distinguishes the Hierarchy Problem into two components—the regulator-dependent Intrinsic Hierarchy Problem and the physically intuitive Extrinsic Hierarchy Problem—analyzing the latter as a formal paradox to classify solutions based on their premise violations and to demonstrate why some proposed resolutions fail to address the full scope of the issue.
This paper demonstrates that differential distributions in and decays can unambiguously distinguish between scalar and vector dark-matter mediator scenarios, while current data tightly constrain the vector mediator mass to below 3 GeV but leave the scalar mediator mass unconstrained.
This paper develops a canonical formalism using Dirac brackets to demonstrate that the quantum metric in momentum space modifies the phase-space density of states at order , thereby correcting Liouville's theorem and extending chiral kinetic theory to include nonlinear effects consistent with quantum field theory.
This paper demonstrates that measurements of asymmetries in at Belle II, particularly those arising from the imaginary parts of light new physics contributions even without electron polarization, can be interpreted as model-dependent constraints on the lepton's dipole moments, offering a novel avenue for new physics searches using existing data.
This paper presents a comprehensive analysis of light new physics contributions to lepton dipole moments, offering tailored interpretations of asymmetry measurements for spin-0 and spin-1 bosons while examining their transition to the effective-field-theory limit and complementarity with other constraints, with a specific focus on a tauphilic gauge vector boson at Belle II.
This article derives a method for the direct calculation of the time-dependent Wigner function of a non-relativistic single particle interacting with a general, possibly relativistic environment, thereby enabling its application without requiring additional approximations typically necessary to solve the corresponding equation of motion.
This paper highlights the potential of rare charm hadron decays as clean probes for invisible particles like neutrinos, axion-like particles, and dark photons, demonstrating that existing and future high-luminosity experiments can significantly constrain or discover new physics beyond the Standard Model through branching ratios that are currently weakly limited.