1145 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 a minimal dark scalar with a mass of approximately 9.40 GeV, which shares high- fragmentation scaling with NRQCD color-octet production, can simultaneously explain the anomalous high- plateau in nuclear modification factors, the vanishing elliptic flow, and the quarkonium polarization puzzle in heavy-ion collisions while evading historical low- constraints.
This paper reviews the progress of functional QCD over the past decade in describing the phase structure of QCD, with a primary focus on predicting new phases and their experimental signatures at high densities () while addressing technical strategies, systematic errors, and validation against lattice QCD.
This paper employs dispersion theory to analyze the isovector vector form factors of , , , and mesons at low energies by integrating chiral and heavy-quark symmetry constraints with model-independent resonant pion-pion rescattering, while specifically addressing anomalous thresholds to extract the resonance couplings to these heavy mesons.
This paper presents a comprehensive effective field theory pipeline that connects baryon number-violating new physics to low-energy hadronic observables by systematically matching Standard Model EFT operators up to dimension nine to Low-Energy EFT and chiral perturbation theory, thereby enabling a model-independent analysis that incorporates higher-dimensional operators and a broader class of ultraviolet completions than previously possible.
This study employs the deformed quasiparticle random-phase approximation (DQRPA) with Brückner -matrix interactions to analyze Gamow-Teller transition strengths in carbon isotopes C, revealing that nuclear deformation significantly influences the strength distributions in C and C while a spherical limit successfully reproduces experimental data for C.
This paper employs the Basis Light-Front Quantization framework to provide the first theoretical predictions of kaon subleading-twist transverse-momentum-dependent parton distribution functions by explicitly accounting for the interference between quark-antiquark and quark-antiquark-gluon Fock sectors, while also presenting twist-2 and twist-3 collinear parton distribution functions that align well with recent global analyses.
Using time-dependent Hartree-Fock theory, this study demonstrates that octupole deformed shell effects, particularly the shell, rather than spherical shells, dominate the inverse quasifission mechanism in collisions, thereby explaining the enhanced yields of neutron-rich transtarget nuclei in the Au region.
This paper investigates energy-momentum tensor form factors and spatial spin density distributions in the nucleon using a quantized Skyrme model with vector mesons, demonstrating that while global nucleon properties remain invariant, the choice of pseudogauge (canonical versus Belinfante) significantly alters the local interpretation of spin and momentum densities.
By demonstrating that a new measurement of the matter radius of 132Sn favors a soft nuclear symmetry energy when combined with PREX and CREX data, this study highlights the ongoing theoretical challenges in reconciling these results and underscores the critical need for independent confirmation via the upcoming MREX campaign.
This paper provides the first concise analytical derivation of the Ericson transition in stochastic quantum scattering using the Heidelberg approach, proving the emergence of a universal Gaussian distribution for scattering matrix elements and validating these results through comparison with microwave experiments and numerical simulations.