1179 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.
Using leading-order chiral perturbation theory, this paper maps the low-energy QCD phase diagram under magnetic fields with baryon and isospin chemical potentials, identifying various exotic phases including a chiral soliton lattice and a hybrid vortex phase that may be relevant to neutron stars at magnetic fields around G.
This study utilizes Bayesian inference on INDRA experimental data from central Xe+Sn collisions within a relativistic mean-field framework to demonstrate that light cluster abundances are well-described by temperature-dependent meson couplings, revealing that different in-medium modification models are indistinguishable by current data and that non-equilibrium effects are not required to explain the observed yields.
This paper reports a systematic measurement of elliptic flow for strange and multi-strange hadrons in isobar collisions at GeV, revealing approximate constituent quark scaling indicative of partonic collectivity and observing a 2% deviation in flow ratios between Ru+Ru and Zr+Zr collisions that highlights differences in their nuclear structure and deformation.
This paper presents a tree-level calculation of the scattering amplitude within covariant Chiral Perturbation Theory, demonstrating that the lepton mass significantly impacts the low-energy differential cross-section and establishing a framework to determine nucleon generalized polarizabilities and low-energy constants through comparison with future experimental data.
This paper develops a new resonating group method formalism for baryon-baryon interactions that accounts for unequal oscillator frequencies arising from distinct quantum numbers, and applies this consistent framework to the system within a chiral SU(3) quark model to demonstrate its advantages over traditional approaches.
Using a momentum-space transition operator framework with realistic interatomic potentials, this study rigorously calculates the atom-trimer scattering of cold atoms to confirm the existence of a second excited tetramer resonance below the excited trimer threshold, determining its position and width while accounting for significant finite-range effects and nonresonant partial wave contributions.
This study demonstrates that while spin polarization has a minimal effect on the squared speed of sound in noncentral O+O collisions, it significantly alters transport coefficients like shear and bulk viscosity, introducing a nonmonotonic dependence on collision energy that suggests spin polarization is a valuable probe for constraining the QCD equation of state.
This paper generalizes the Gaussian model of the color-glass condensate to a broader class of local functions based on stable probability distributions, demonstrating how this extension modifies the small-dipole behavior of the scattering amplitude from quadratic to a power law and provides a framework for future numerical phenomenological studies.
Using the Control Neural Network-optimized Hyper-Brink model, this study demonstrates that incorporating cluster-breaking effects is essential for accurately reproducing the energy levels and spatial distributions of , revealing how interactions drive cluster reconfiguration and providing transition strengths as a sensitive probe for these structural changes.
This paper improves holographic models of dense nuclear matter by systematically analyzing multi-jump gauge field configurations, which successfully link instantonic and homogeneous descriptions and yield a softer equation of state that better matches real-world nuclear matter.