548 papers
Nucl-Ex represents the dynamic frontier where scientists probe the fundamental building blocks of matter through high-energy experiments. By smashing particles together at incredible speeds or observing rare cosmic events, researchers uncover the forces that govern our universe and test the limits of our current understanding of physics.
At Gist.Science, we ensure these breakthroughs reach a broader audience by processing every new preprint in this field directly from arXiv. For each study, we provide both a clear, plain-language explanation of the core discoveries and a detailed technical summary for those seeking deeper insights. Below are the latest papers in nuclear experiment research, curated to help you stay informed on the latest developments from the lab.
This paper demonstrates that the Richardson-Lucy algorithm effectively reconstructs three-dimensional pion emission sources from heavy-ion collision data, revealing their sensitivity to the initial neutron skin thickness and establishing the method as a viable tool for probing neutron density distributions in heavy nuclei.
This paper evaluates experimental nuclear structure data for the previously unobserved, three-proton-unbound nucleus 20Al, which was recently discovered via charge-exchange reactions and characterized by its one-proton decay to the unbound ground state of 19Mg.
This paper demonstrates that -decay half-lives serve as a novel and effective probe for the emergent magic number , revealing a pronounced shell gap in Calcium and Potassium isotopes while indicating its absence in Argon and Chlorine.
Using an ab initio approach combining the multi-reference in-medium similarity renormalization group and the quantum-number projected generator coordinate method with chiral two- plus three-nucleon interactions, this study systematically reproduces the low-lying properties of neutron-rich nuclei around and delineates the specific boundaries of the island of inversion.
This study utilizes an improved multi-phase transport model to analyze Pb+Pb collisions at the LHC, finding that while anisotropic flow measurements can exclude large neutron skins in Pb, they exhibit a geometric degeneracy that limits their ability to precisely distinguish between zero and moderate neutron skin values.
The NUCLEUS experiment characterizes the unidentified low energy excess in its sapphire detector by demonstrating that the excess rate is independent of particle background levels but decreases with slower cooling procedures, following a universal power-law decay over time.
This paper presents a physics-informed neural network approach to extract a universal small- dipole scattering amplitude directly from global DIS and photoproduction data without rigid parametric assumptions, successfully resolving the long-standing tension between total and charm cross-section channels while providing a smooth, non-negative input for Color Glass Condensate phenomenology.
This review provides a unified account of the four-decade-long heavy-ion physics programme conducted by the NA35, NA49, and NA61/SHINE experiments at the CERN SPS, highlighting their collective contributions to the search for the quark-gluon plasma and the characterization of the transition between different regimes of strongly interacting matter, while also including personal recollections.
This paper calculates enhanced electroweak, QCD, and QED radiative corrections to the nucleon coupling constants and , providing updated relations between lattice-QCD and physical values that yield a total correction of approximately 3.5% to 5.6% and predict a physical axial charge of 1.265(26) or 1.240(9) depending on the input methodology.
This study constrains the properties of resonances in Ca via proton scattering on an unstable K beam to refine the Ar()K reaction rate, ultimately finding that the updated rate does not significantly alter the light curve features of modeled Type I X-Ray bursts.