1396 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 and validates a novel method for extracting the neutron skin thickness of lead nuclei in +Pb collisions by analyzing a double ratio of net electric charge to net baryon number across different event multiplicities, utilizing a comprehensive (3+1)D relativistic hydrodynamic framework to provide predictions for experiments at LHCb and the LHC.
This study presents the first full general relativity calculation of reaction-constrained composition -modes in neutron stars containing antikaon condensates, hyperons, and resonances, demonstrating that while fast equilibration significantly alters mode frequencies and damping times, a distinct composition mode persists only if the exotic species' composition gradient survives over the oscillation period.
This paper demonstrates that flavor-current correlators in strongly-coupled dense holographic matter agree with non-Abelian hydrodynamic predictions in an extended hydrodynamic regime where temperature is much lower than frequency and momentum, and proposes a holographic product formula to capture both hydrodynamic and AdS pole effects.
Using lattice QCD simulations with four physical-mass quark flavors, this study determines the momentum fractions and angular momentum contributions of quarks and gluons in the proton, confirming that both the momentum and spin sum rules are satisfied in the continuum limit.
This paper presents data-driven hydrodynamic predictions for the new observable in Pb+Pb collisions at 5.02 TeV, demonstrating its ability to reproduce existing data and forecasting unique features such as meson-baryon splitting and non-monotonic proton behavior that distinguish it from traditional flow observables.
This paper presents the first construction and compilation of fault-tolerant quantum algorithms for simulating atomic nuclei using shell-model and no-core-shell-model Hamiltonians, providing initial resource estimates that reveal comparable costs to chemical benchmarks for shell-model cases but significantly higher requirements for no-core models, thereby highlighting both the potential and current challenges of nuclear simulations on quantum computers.
This study utilizes the PYTHIA8/Angantyr model to demonstrate that non-collective effects can account for charged hadron multiplicities and baryon enhancement in central d-Au collisions at GeV without requiring a thermalized medium, while highlighting the model's underprediction of invariant yields and the absence of high- suppression.
This review argues that the unquenched theoretical framework, which incorporates coupled-channel effects and hadronic loops, is essential for resolving long-standing discrepancies in charmonium spectroscopy and explaining the emergence of exotic hadronic states that cannot be accounted for by traditional quenched potential models.
This paper presents a lattice QCD calculation of nucleon unpolarized second Mellin moments using four physical-mass ensembles to determine the continuum-limit contributions of quarks and gluons to the proton's momentum, angular momentum, and orbital angular momentum.
Revisiting short-range baryon-baryon potentials within the constituent quark model, this study predicts that specific flavor antidecuplet states and the system possess sufficient attraction to form dibaryon bound states as hadronic molecules, while also comparing these findings with lattice QCD simulations.