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 employs the ab initio valence-space in-medium similarity renormalization group method with chiral effective field theory forces to investigate the -decay properties and pairing correlations of waiting-point nuclei, revealing that decay strength is concentrated at low excitation energies and finding no evidence for dominant isoscalar or isovector pairing condensates.
By modeling proto-neutron star evolution from hot, neutrino-trapped birth states to cold, neutrino-transparent final states using a color-superconducting equation of state, the study identifies four distinct core evolution scenarios and concludes that a stable color-superconducting phase can only persist in the final cold neutron star within a narrow, high-mass region.
This paper presents a closed analytical model attributing the spin distributions of low-energy fission fragments to zero-point bending and wriggling oscillations of cold pre-fragments, successfully reproducing experimental mean spins and their mass-dependent sawtooth patterns by utilizing hydrodynamic moments of inertia derived from scission deformations.
This paper demonstrates that state-of-the-art hydrodynamic calculations can quantitatively map the soft octupole collectivity of uranium-238 from initial-state geometry to final-state flow observables in relativistic heavy-ion collisions, providing a complementary probe confirmed by recent high-energy experimental measurements.
This paper proposes a scaling approach using triangular flow fluctuations in relativistic U+U collisions to extract the mean and variance of octupole deformation, thereby distinguishing between static and vibrational nuclear deformation origins and refining quark-gluon plasma initial conditions.
This paper introduces a stochastic Similarity Renormalization Group framework (SRGQMC) that integrates quantum Monte Carlo techniques to overcome the computational limitations of deterministic many-body flow equations, enabling the first successful IMSRG(4) calculations and providing a practical pathway toward higher-order many-body nuclear structure computations.
This study quantifies how uncertainties in nuclear level densities and photon strength functions, particularly those arising from local parameter variations in photoneutron emission rates, propagate to limit the precision of p-process nucleosynthesis predictions in Type-Ia and Type-II supernovae, identifying specific reactions involving stable or near-stable nuclei as primary targets for future experimental constraints.
This paper calculates tensor-polarized parton distribution functions for the deuteron using a convolution model, revealing significant discrepancies with existing HERMES data that suggest the need for new theoretical mechanisms beyond a simple proton-neutron bound system, while providing predictions for upcoming experimental tests at Jefferson Lab and Fermilab.
This paper proposes that accelerator neutrino experiments, specifically SBND and DUNE, can serve as terrestrial probes for in-medium hyperon potentials by analyzing charged-current interactions that produce and hyperons inside nuclei, with the StrangeMC simulation forecasting a precision of approximately 6 MeV for the potential () and highlighting the role of hyperon-nucleon cross sections in constraining the potential ().
This paper demonstrates that charged-current neutrino interactions on argon at facilities like DUNE and SBND can constrain in-medium hyperon potentials through final-state interaction observables, thereby providing critical inputs to resolve the hyperon puzzle in neutron star equations of state.