449 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 presents an efficient additive manufacturing method for producing high-resolution, pixelated plastic scintillator arrays using a custom photocurable resin and an automated assembly process, achieving rapid production and effective gamma-neutron discrimination.
This paper presents high-precision measurements of quarkonia and vector meson production in peripheral and ultraperipheral heavy-ion collisions at LHCb, compares them with theoretical models, and discusses future prospects for the upgraded detector in Run 3.
Using 2018 ATLAS data from ultra-peripheral Pb+Pb collisions at TeV, this paper presents the first measurement of cross-sections in nuclear collisions by statistically separating photon--pomeron, photon--photon, and peripheral photonuclear processes in non-breakup events via a template fit of rapidity gaps, while also confirming that such events select a more peripheral collision class.
Using the ACTAR TPC setup at GANIL, researchers measured the shell gap in via one-proton removal reactions, finding a reduced proton spin-orbit splitting of 5.30(14) MeV that supports the influence of the tensor force but contradicts previous studies suggesting a large gap.
This contribution develops a phenomenological approach that refines the elastic scattering cross sections for - interactions in free space by decomposing the scattering amplitude into a 2N interaction component and a residual component fitted with energy-dependent Legendre polynomials, thereby establishing a crucial foundation for future studies of three-nucleon forces in nuclei via the ($p,pd$) reaction.
This paper introduces a new thermodynamic state function to compute high-order temperature fluctuations in hot QCD matter, revealing that these fluctuations are significantly suppressed and exhibit negative skewness during the transition from a hadron resonance gas to a quark-gluon plasma due to the increased heat capacity of the latter.
Using data from the CMS detector at the CERN LHC, this study reports the first observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions, evidenced by a nuclear modification factor below unity that supports the existence of parton energy loss in intermediate-sized nuclear systems.
This paper employs Bayesian inference within a unified framework to constrain the neutron star equation of state across hadronic, crossover, and quark phases, revealing that current multi-messenger data strongly limit low-to-intermediate density nuclear symmetry energy parameters while leaving high-density quark matter properties largely unconstrained until next-generation observations become available.
This paper demonstrates that accounting for hadrons produced via ion electromagnetic dissociation, which break experimental exclusivity vetos, resolves long-standing tensions between theoretical predictions and LHC measurements for exclusive muon pair and coherent production.
Using the AMPT model, this study demonstrates that while the nonlinear response coefficient grows dynamically during the evolution of relativistic heavy-ion collisions, the ratio of this coefficient between U+U and Au+Au systems remains stable across all stages, effectively isolating intrinsic initial-state geometric correlations to support experimental efforts in extracting high-order nuclear structure.