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 determines the asymptotic normalization coefficients for the Li H channels by analyzing elastic -H scattering data using three consistent methods, yielding average values of fm and fm that confirm the expected relationship with mirror nuclei.
Using a unified purely hadronic equation of state with an incompressibility of 230 MeV, the study successfully reproduces proton flow data in Au+Au collisions up to 4.3 GeV but fails at 4.5 GeV, providing circumstantial evidence for the onset of partonic degrees of freedom and the hadron-quark phase transition.
This study reanalyzes the inelastic excitation of the one-neutron halo nucleus C using a three-body CDCC model to demonstrate that while breakup effects are crucial for describing elastic scattering, the current theoretical framework still fails to fully reproduce the experimental inelastic angular distribution, suggesting the need to investigate additional reaction mechanisms.
This study systematically analyzes the sensitivity of Ag(,xn) reaction cross sections to statistical-model inputs using TALYS 2.0, revealing that the relative importance of level-density models, pre-equilibrium mechanisms, and -optical potentials varies significantly across different reaction channels, with no single parameter combination optimally describing all investigated processes.
This paper investigates the impact of a novel flavor-mixing interaction arising from vacuum polarization on the parton distribution functions of charged kaons and pions within the U(3) Nambu--Jona-Lasinio model, demonstrating that these mixing effects, which are proportional to quark effective mass differences, significantly improve the agreement of theoretical predictions with experimental data at specific momentum fractions.
This study presents the first microscopic characterization of fission fragment spin-parity distributions using time-dependent Hartree-Fock-Bogoliubov calculations, revealing that dynamical pair breaking significantly populates unnatural-parity states and creates parity patterns dependent on fragment mass parity, thereby challenging the equiprobable assumptions of current statistical de-excitation models.
This paper demonstrates that applying a large boost to a hydrodynamic system alters the convergence of its long-wavelength expansion by shifting the limiting nonhydrodynamic singularity to the near-light-cone region of the rest-frame spectrum, where the rescaled convergence scale is governed by the theory's microscopic spectral structure.
This study investigates the interplay between light nuclear cluster formation and strong magnetic fields in warm, beta-equilibrated stellar matter using a generalized relativistic mean-field framework, revealing how their combined effects significantly modify the equation of state's thermodynamic stiffness and heat-storage properties to provide crucial insights for modeling proto-neutron stars and merger remnants.
Using the covariant Nambu--Jona-Lasinio model with Schwinger proper-time regularization, this study calculates the electromagnetic form factors, charge radii, and magnetic moments of charged and neutral strange vector mesons, yielding results consistent with other theoretical calculations and lattice QCD simulations.
This study calculates the nuclear matrix elements and half-lives for the two-neutrino double-electron capture of Xe and double-beta decay of Xe using four different many-body methods, finding consistent predictions that suggest Xe's half-life may be within reach of next-generation experiments while Xe's is approximately an order of magnitude longer.