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 study analyzes time-resolved fluorescence data from erythrosine B and eosine Y to demonstrate that alternative statistical and energy-migration models fail to reproduce the sharp transition from exponential to power-law decay predicted by quantum mechanics, suggesting that observed late-time power laws may not solely originate from quantum decay.
This paper investigates the thermal nucleation of strange quark matter droplets in proto-neutron stars to demonstrate that a hadron-quark surface tension of at least 67 MeVfm is required to allow hadronic neutron stars to survive as metastable objects alongside stable strange quark stars in the two-families scenario.
This paper demonstrates that incorporating nuclear size corrections into the statistical hadronization model fails to consistently describe (hyper)nucleus production data across various collision systems, whereas the uncorrected model supports the interpretation that these nuclei form from compact multi-quark configurations that expand after hadronization.
This paper investigates the gravitational -form factors of the nucleon and pion within an extended linear sigma model incorporating two- and four-quark mixing, finding that while this mixing suppresses the nucleon -form factor to match lattice-QCD results (mimicking effects of chiral invariant mass), it uniquely modifies the pion's momentum-transfer dependence, thereby suggesting that a combined analysis of both form factors is necessary to distinguish between these distinct physical mechanisms.
This paper derives a generalized fluctuation-dissipation theorem and a model-independent Einstein relation for vector fields in rotating thermal equilibrium, revealing rotation-induced tensorial corrections and a new mechanism for heavy quarkonium orbital polarization linked to spectral zero modes.
This paper demonstrates that dark matter admixture in neutron stars induces a smooth, universal scaling in the trace anomaly and stellar structure governed by a mass-loading parameter, providing a distinct diagnostic to differentiate these effects from the sharp discontinuities caused by first-order hadron-quark deconfinement while revealing that even small dark matter fractions can tension the existence of neutron stars.
This paper proposes that the long-standing gallium anomaly—a significant deficit in neutrino capture rates on Ga—may be resolved by revising the theoretical cross-section calculation to move beyond standard leptonic wave function factorization and instead incorporate phenomenologically constrained Gamow-Teller transition densities that correctly reproduce the Ge half-life, thereby eliminating the need for new physics explanations.
This paper develops a theoretical framework to determine the conditions under which conventional -Oslo and Shape analyses remain valid and which nuclear quantities stay identifiable when data are derived from an unresolved mixture of beta-decaying ground and isomeric parent states.
This paper develops an effective contact theory that unifies the production of loosely bound states and continuum two-particle correlations in heavy-ion collisions by replacing the conventional coalescence cutoff with a regulated Bethe-Peierls kernel, thereby establishing a universal framework to relate coalescence, correlations, and exotic bound states in strongly interacting expanding matter.
This paper presents a global analysis of deep-inelastic scattering data showing that nuclear effects on partonic structure remarkably cancel out around across various nuclear targets, a finding interpreted within a microscopic model of nuclear modifications.