553 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 study demonstrates that the half-life of the U isomer in uranyl compounds varies with ligand electronegativity due to molecular orbital formation effects on internal conversion, revealing a significant link between chemical bonding and nuclear decay processes.
This paper derives the one-point energy correlator for deep inelastic scattering in the small- limit using the Color Glass Condensate framework, demonstrating that it serves as a clean, nonperturbative-free probe of gluon saturation dynamics with significant nuclear suppression effects relevant to the future Electron-Ion Collider.
This paper presents a unified, physics-informed framework for predicting the critical electric field required for internal charge amplification in cryogenic germanium at 77 K and 4 K, bridging single-free-flight bounds with detailed scattering mechanisms to provide closed-form design formulas and a practical calibration workflow for optimizing detector performance.
This paper proposes a method to "unshadow" the constituent quark number scaling of harmonic flow by disentangling spectator shadowing effects from the particle emitting source, thereby offering a refined framework to interpret recent STAR measurements and future CBM data regarding the Quark-Gluon Plasma phase transition.
This study demonstrates that the charge-weak form factor difference in Ca and Zr is highly sensitive to the isovector spin-orbit interaction due to specific shell structures, whereas Pb and Ni remain insensitive, thereby guiding a strategic approach to use parity-violating electron scattering on these distinct nuclei to separately constrain the isovector spin-orbit strength and the symmetry energy slope.
This paper discusses various internal criteria and influencing factors for assessing the quality of data unfolding results in particle physics and related fields, addressing the challenge of evaluating deconvolution accuracy when external benchmarks are unavailable.
This paper presents new radioassay results from the Canfranc Underground Laboratory demonstrating that dedicated development has significantly reduced the radiopurity levels of Micromegas readout planes, confirming their suitability for ultra-low background rare event searches.
This paper extends the theoretical and phenomenological analysis of recent NA61/SHINE collaboration findings by establishing the conceptual and analytical foundations of isospin symmetry and proving that, under charge-symmetry invariant initial conditions, the mean multiplicities of charged and neutral kaons should be equal, thereby highlighting the significance of the observed violation.
This study demonstrates that multiparticle azimuthal correlations in central Ru+Ru and Zr+Zr collisions at 200 GeV are sensitive probes of nuclear deformation and neutron skin thickness, offering a robust method to disentangle nuclear structure effects with minimal dependence on shear viscosity.
To address the neutron lifetime puzzle and characterize systematic uncertainties in the fully magnetic trap of the SPECT experiment, the authors developed a dedicated simulation framework based on the PENTrack software, enhanced with tools for flexible configuration and data visualization, which successfully aligns with experimental data from the Paul Scherrer Institute.