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 proposes that the rapid cooling of the neutron star MAXI J1752$-$457 following a superburst provides the first observational evidence for a nuclear Urca process, where enhanced neutrino emission from electron capture and decay cycles in the star's ocean drives the temperature drop over a four-day period.
This paper uses statistical goodness-of-fit tests to demonstrate that the qualitative claims regarding the performance of momentum-dependent versus momentum-independent nuclear mean field models in describing Au+Au collision data are highly dependent on specific observables and centrality classes, revealing that none of the models achieve a universally statistically acceptable agreement with the full experimental dataset.
This paper proposes two new thermodynamic observables, diagonality and rescaled curvature, to analyze the QCD equation of state and provide complementary insights into the degree of quark flavor independence and the nature of the deconfinement transition in nuclear matter.
This chapter establishes a comprehensive framework for calculating higher-order nuclear-structure corrections to beta decay, utilizing many-body methods and multipole expansions to distinguish Standard Model recoil effects from potential new physics signatures in precision experiments.
This paper investigates how axion-like particle-mediated dark matter affects the structural properties, stability, and oscillation modes of dark matter-admixed neutron stars within the relativistic mean field framework.
The CJ26 global QCD analysis presents a new framework that simultaneously determines proton parton distribution functions and nuclear effects in deuteron targets by incorporating the full set of JLab 6 GeV and the first 12 GeV inclusive DIS data, with a specific focus on accurately modeling the interplay between higher-twist and off-shell corrections in the large- region.
This paper investigates thermodynamic stability in nonlocal Nambu--Jona-Lasinio models by deriving an entropy-sign criterion from Euclidean kernel moments, demonstrating that while specific kernel choices can satisfy thermal positivity, they may still violate static equation-of-state constraints, thereby highlighting the limitations of mean-field approximations and the need for specific diagnostics over universal phenomenological kernels.
This paper constructs a complete leading-twist basis of 32 gluon transverse-momentum-dependent distributions for spin-3/2 targets, identifying 14 octupole-dependent coefficients and proposing experimental strategies to isolate and measure these correlations in heavy-quark-pair leptoproduction, semi-inclusive deep-inelastic scattering, and Drell-Yan processes, while also connecting the framework to polarized Li nuclei.
This study employs the dinuclear system model to demonstrate that while complete fusion dominates evaporation residue formation in the SiW reaction at lower energies, incomplete fusion via -particle emission becomes the primary source of Rn isotopes at higher energies ( MeV), thereby successfully explaining the measured total evaporation residue cross sections.
This paper proposes a Lorentz-covariant on-shell formalism for allowed nuclear beta decay that systematically organizes nuclear matrix elements using little-group-covariant structures to derive general standard and exotic currents and their associated form factors, thereby bridging traditional beta-decay literature with nucleon- and quark-level effective field theories.