1634 papers
Nuclear theory sits at the fascinating intersection of particle physics and the forces that hold our universe together. This field explores how protons and neutrons bind inside atomic nuclei, seeking to understand the fundamental interactions that govern matter at its most dense and energetic levels. While the mathematics involved can be incredibly complex, the core questions are deeply human: how does the universe function at its smallest scales, and what happens when we push matter to its limits?
At Gist.Science, we make these cutting-edge discoveries accessible by processing every new preprint published in this category on arXiv. Our team transforms dense academic manuscripts into clear, plain-language summaries alongside detailed technical overviews, ensuring that both experts and curious readers can grasp the latest breakthroughs without getting lost in the jargon. Below are the latest papers in nuclear theory, distilled and ready for you to explore.
This paper demonstrates that the explosive relativistic expansion of the Quark-Gluon Plasma naturally suppresses vortex amplification through geometric dilution, leading to a near-vanishing global hyperon polarization and necessitating azimuthal differential measurements to detect the medium's extreme vorticity.
This paper presents a detailed application of Full Configuration Interaction Quantum Monte Carlo (FCIQMC) to *ab initio* nuclear structure calculations using chiral effective field theory interactions, validating the method against deterministic benchmarks and demonstrating its capability to compute ground-state properties and low-lying spectra in large model spaces.
This paper presents a self-consistent mean-field theory based on proton and neutron single-particle degrees of freedom that enhances -clustering on the nuclear surface to describe cluster emission processes in unstable nuclei, with applications to decays above , , and within the actinide series.
This paper presents a comprehensive uncertainty analysis of sign-problem-free Quantum Monte Carlo methods and Nuclear Lattice Effective Field Theory, demonstrating that ground-state energies of doubly magic nuclei are computed with sub-percent precision while refuting recent criticisms by identifying and correcting conceptual and technical errors in previous analyses regarding lattice artifacts and renormalization.
This paper reviews neutron skin predictions from a dispersive optical model that successfully describes both Pb and Ca, highlighting the model's unique ability to treat structure and reaction data consistently while underscoring the ongoing puzzle of reconciling a large lead skin with the unexpectedly thin calcium skin observed in CREX.
Using a baryonic extended linear sigma model with explicit chiral symmetry breaking, the study demonstrates that reproducing realistic neutron star mass-radius relations with hyperons requires the vacuum sigma term to deviate significantly from empirical values, suggesting a possible density dependence of low-energy constants in dense matter.
This paper resolves the ambiguity between nuclear structure and collision dynamics in relativistic heavy-ion collisions by demonstrating that matching the resolution of nuclear geometry to finite-resolution interactions eliminates nucleon-size dependence in cross-section calculations, thereby reframing these measurements as sensitive probes of the nuclear surface rather than standalone nucleon-size observables.
This paper utilizes AMPT and UrQMD models to simulate hyperon-kaon correlations in collisions at 20, 39, and 62 GeV, establishing a baseline without baryon junction mechanisms to test theories of baryon number transport and strange quark pair correlations.
This paper demonstrates that a polarized nucleon inherently possesses a topological dipole distribution of charge density, a phenomenon theoretically derived from the topological form factor, confirmed via a chiral soliton model, and proposed to be experimentally observable through exclusive meson production and asymmetries in relativistic heavy-ion collisions.
This paper investigates how the low-lying rotational bands of Neon-20 arise from a circle of alpha-particle cluster shapes—specifically a triangular bipyramid, square pyramid, and distorted tetrahedron—connected by soft relative motions that extend the Berry pseudo-rotation mechanism.