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.

⚛️ nuclear theory

Scalable nuclear shell model calculations on noisy quantum computers

This paper demonstrates that the Sample-based Quantum Diagonalization (SQD) framework, when applied to noisy intermediate-scale quantum (NISQ) hardware, can successfully solve large-scale nuclear shell model problems like 32Mg^{32}\text{Mg} that exceed the memory limits of classical high-performance computing, offering a more scalable and time-efficient alternative to traditional variational quantum algorithms.

Durgesh Pandey, Ankit Kumar Das, P. Arumugam2026-08-18
⚛️ nuclear theory

Revisiting 7^7Be Weak and Radiative Transition Rates in Big Bang Nucleosynthesis: Implications for the Primordial Lithium Problem

This paper presents first-principles calculations of 7^7Be weak and radiative transition rates in Big Bang Nucleosynthesis, revealing significant deviations from previous estimates but concluding that these enhanced destruction channels are insufficient to resolve the primordial lithium problem, thereby necessitating a broader reassessment of the BBN nuclear network before invoking new physics.

Simone Taioli, Francesca Triggiani, Stefano Simonucci2026-08-17
⚛️ nuclear theory

Bayesian inference of event-by-event collision geometry from charged-particle multiplicity in heavy-ion collisions

This paper introduces the Inference-driven Participant Determination (IPD) method, a Bayesian framework that utilizes charged-particle multiplicity and Monte-Carlo Glauber priors to probabilistically infer event-by-event collision geometry, thereby reducing volume fluctuations and improving the reconstruction of net-proton cumulants compared to conventional centrality classification.

Yige Huang, Fu-Peng Li, Hanwen Feng, Nu Xu2026-08-17
⚛️ nuclear theory

Resonating group method for baryon-baryon interactions with unequal oscillator frequencies and its application to the NΔ system in a chiral quark model

This paper develops a new resonating group method formalism that accommodates unequal harmonic-oscillator frequencies for baryons with distinct quantum numbers, applying it to the NΔN\Delta system within a chiral SU(3) quark model to provide a unified framework for describing both single-baryon properties and baryon-baryon interactions.

Ke-Rang Song, Fei Huang2026-08-14