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.

Thermodynamic geometry in hadron resonance gas model at real and imaginary baryon chemical potential and a simple sufficient condition for quark deconfinement

This paper investigates the thermodynamic geometry of the hadron resonance gas model with and without excluded volume effects across real and imaginary baryon chemical potentials, utilizing the scalar curvature to map phase structures, determine a baryon gas limitation temperature that aligns with lattice QCD predictions, and derive a simple sufficient condition for quark deconfinement.

Riki Oshima, Hiroaki Kouno, Motoi Tachibana, Kouji Kashiwa2026-03-17⚛️ hep-lat

Theoretical Studies of alpha Clustering in Nuclei and Beyond

This paper reviews and extends theoretical frameworks for alpha clustering in light nuclei, introducing a fully quantum formulation for dual rotational modes in cluster states, proposing an extended no-core shell model that integrates cluster-nucleon configurations, and analyzing the competition between cluster and shell-model components in nuclei like 12^{12}C driven by spin-orbit interactions.

Takaharu Otsuka, Alexander Volya, Naoyuki Itagaki2026-03-17⚛️ nucl-th

New nonet scalar mesons and glueballs: the mass spectra and the production yields in relativistic heavy ion collisions

This paper proposes a new nonet scheme for scalar mesons (f0(980)f_0(980), a0(980)a_0(980), K0(1430)K_0^*(1430), and f0(1770)f_0(1770)) as PP-wave quark-antiquark states while identifying f0(1500)f_0(1500) as a glueball, supporting this classification through statistical and coalescence model calculations of their production yields in relativistic heavy ion collisions.

Shigehiro Yasui, Su Houng Lee, Pok Man Lo, Chihiro Sasaki2026-03-17⚛️ nucl-th

Electromagnetic structure of Bc and heavy quarkonia in the light-front quark model

This paper investigates the electromagnetic structure of heavy quarkonia and the BcB_c meson using a light-front quark model with variational wave functions, finding that the electromagnetic radii of 2S2S and 3S3S states are approximately 1.5 and 1.9 times larger than their 1S1S counterparts, respectively, in agreement with lattice QCD data and other model predictions.

Rayn Rasyid Harjapradipta, Muhammad Ridwan, Ahmad Jafar Arifi, Terry Mart2026-03-17⚛️ nucl-th

A systematic study of global spin polarizations and correlations of hadrons with different spins in relativistic heavy ion collisions

This paper systematically investigates the global spin polarizations and spin correlations of various hadrons, including vector mesons and hyperons with different spins, in relativistic heavy ion collisions using a specific formalism to provide results and physical insights for future numerical studies and experiments.

Ji-peng Lv, Zi-han Yu, Xiao-wen Li, Zuo-tang Liang2026-03-17⚛️ nucl-th