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 using the Gerasimov-Drell-Hearn sum rule, specifically its quadratic averaging of the anomalous magnetic moment-to-mass ratio for nucleons in a nucleus, to constrain the mechanisms of nuclear medium modification and measure global nucleon properties like axial charge, mass, and magnetic moment.
This paper extends the framework of strongly intensive observables to all cumulant orders to eliminate source-number fluctuations in forward-backward multiplicity correlations, providing a normalized hierarchy of algebraically independent quantities that are validated through analytical models, PYTHIA simulations, and preliminary ALICE data to probe higher-order particle production correlations.
This paper demonstrates that constraining the nuclear symmetry energy using electric dipole polarizability measurements from finite nuclei significantly reduces uncertainties in the mass, radius, and orbital properties of the innermost stable circular orbit around rapidly rotating neutron stars, thereby enabling more precise independent mass estimates through kilohertz quasi-periodic oscillations.
This paper systematically investigates how short-range nucleon-nucleon correlations, which generate a characteristic high-momentum tail in the momentum distribution, alter the fundamental properties of quarkyonic matter such as energy density, pressure, and the speed of sound.
This paper derives a covariant Wigner function for the spin-3/2 Rarita-Schwinger field to establish a formula for mean spin polarization induced by thermal vorticity, shear, and spin potential, demonstrating that local measurements of baryons in heavy-ion collisions can distinguish between canonical and Belinfante pseudo-gauges.
This paper validates an improved nonflow subtraction framework using the -estimator-based scaling method to reliably extract symmetry plane correlators and symmetric cumulants, enabling a systematic comparison of system-size-dependent evolution from light-ion (OO) to heavy-ion (Pb--Pb) collisions at the LHC.
This paper calculates the energy-dependent ratio of strangeness-changing two-body to quasi-elastic hyperon production cross sections in antineutrino scattering, finding values between 0.14 and 0.22 that replace the fixed 15% placeholder in the StrangeMC generator and significantly impact the identification and energy reconstruction of strange hadron events in neutrino detectors.
This paper utilizes Bayesian Monte Carlo methods to iteratively update TALYS 2.0 model parameters against experimental copper reaction data, establishing physically defensible uncertainty bands for proton-induced cross sections and demonstrating the potential of neural network surrogates to screen future nuclear data evaluations.
This paper presents a microscopic description of -decay in axially-symmetric superfluid nuclei using a density-dependent clustering potential within a Woods-Saxon mean field, which naturally enhances clustering at the nuclear surface and is illustrated through a systematics of even-even emitters.
This paper investigates how magnetic fields influence the onset of quark saturation in pure neutron matter by demonstrating that field-induced spin-flavor polarization and transverse spatial squeezing compete to produce a nonmonotonic dependence of the saturation density on field strength.