1665 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 develops a universal effective field theory for the low-energy surface oscillations of self-bound superfluid droplets, deriving the normal-mode eigenfrequencies, identifying a critical instability for the breathing mode, and quantizing the resulting ripplons to describe multi-ripplon states in systems like Bose mixtures.
This paper demonstrates that Coulomb breakup cross sections for the one-neutron halo nucleus Be are insensitive to spectroscopic factors when the asymptotic normalization coefficient is fixed, as confirmed by new calculations using a coupled-channel effective particle-rotor model that accounts for core excitation.
This paper critically examines a recent analysis claiming evidence for a QCD critical end point via finite-size scaling of net-proton cumulants, highlighting methodological issues regarding acceptance windows, multiplicity scaling, and thermodynamic fields that must be addressed for a consistent interpretation.
This paper reports the first direct observation of three-neutron emission from He, identifying a resonance-like structure consistent with sequential decay via He and finding no evidence for a trineutron resonance or significant three-neutron correlations beyond standard two-body interactions.
This paper demonstrates that gluon Bose enhancement in the nuclear wave function significantly increases the cross section for incoherent diffractive dijet production when the jets have equal and aligned transverse momenta, an effect that persists and is amplified by JIMWLK evolution in both dilute and dense regimes.
Using QCD sum rules, this paper investigates triquark-antitriquark hexaquark configurations to interpret the BESIII-observed and states, finding that two predicted candidates match the experimental masses while offering new predictions for and states and analyzing their decay modes.
This paper presents a novel Monte Carlo model using a classical trajectory approximation to calculate particle pair correlation functions in heavy-ion collisions, demonstrating that the method successfully fits experimental data and is highly sensitive to the source's spatio-temporal extent while being largely independent of the temperature parameter, thus advancing femtoscopic interferometry in the Fermi energy domain.
This paper presents a unified exact solution to the relativistic Boltzmann equation for a boost-invariant conformal gas on across all constant-curvature slicings, which reproduces known Bjorken and Gubser flows while introducing a novel analytic "Grozdanov flow" for hyperbolic foliations that naturally encompasses both hydrodynamic and free-streaming regimes.
This paper presents a study of the mass spectra and mass differences of heavy hadrons containing bottom quarks using MILC's 2+1+1 flavor HISQ gauge ensembles, employing a mixed-action approach with NRQCD for bottom quarks, anisotropic Clover for charm, and O(a)-improved Wilson-Clover for light and strange quarks.
This paper predicts that the accretion-induced collapse of magnetized white dwarfs produces distinctive gamma-ray signatures from both r-process and iron-peak nuclei, which planned MeV gamma-ray telescopes could detect out to distances of approximately 30 Mpc, thereby offering a unique observational method to distinguish these events from binary neutron star mergers.