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.

Measurement of the elliptic flow of 3^3He and Λ3^3_\LambdaH in Pb-Pb collisions at sNN=5.36\sqrt{s_{\rm NN}} = 5.36 TeV

Using a large dataset of approximately five billion Pb-Pb collisions at sNN=5.36\sqrt{s_{\rm NN}} = 5.36 TeV collected by the ALICE detector during LHC Run 3, this paper presents the first measurement of the elliptic flow for (anti)hypertriton (Λ3^3_\LambdaH) and a study of that for helium-3 (3^3He), providing critical constraints on hadronization models and insights into the production mechanisms of light (hyper)nuclei.

ALICE Collaboration2026-03-23⚛️ nucl-ex

Global Λ\Lambda hyperon polarization in low-energy heavy ion collisions -- a scenario without vorticity

This paper proposes that the global Λ\Lambda hyperon polarization observed in low-energy heavy-ion collisions can be partially explained (accounting for ~23% of the signal) by a mechanism linking it to long-standing transverse polarization phenomena via the alignment of production and reaction planes driven by directed flow, rather than solely by quark-gluon plasma vorticity.

Feng Liu (Department of Physics and Astronomy, Stony Brook University), Zhoudunming Tu (Department of Physics and Astronomy, Stony Brook University, Department of Physics, Brookhaven National Laborato (…)2026-03-23⚛️ nucl-th

Interrogating the composition and distribution of nuclear magnetization via the hyperfine anomaly: experiment meets nuclear and atomic theory for short-lived 47^{47}K

By combining high-precision liquid-state β\beta-NMR measurements of short-lived 47^{47}K with advanced atomic and nuclear theories, this study successfully determines the spatial distribution of nuclear magnetization and reveals a persistent overestimation of spin contributions in current nuclear models, thereby establishing a robust method for benchmarking nuclear structure theory and searching for physics beyond the Standard Model.

M. L. Bissell, M. Jankowski, A. Antušek, N. Azaryan, B. C. Backes, M. Baranowski, M. Chojnacki, K. M. Dziubińska-Kühn, 1 R. Han, A. Hurajt, B. Karg, I. Michelon, M. Pesek, M. Piersa-Siłkowska, B. M. R (…)2026-03-23⚛️ nucl-ex

Transfer Learning for Neutrino Scattering: Domain Adaptation with GANs

This paper demonstrates that transfer learning with Generative Adversarial Networks effectively extrapolates physics information from synthetic neutrino-carbon scattering data to related processes like neutrino-argon and antineutrino-carbon interactions, significantly outperforming models trained from scratch and maintaining high accuracy even with limited statistics.

Jose L. Bonilla, Krzysztof M. Graczyk, Artur M. Ankowski, Rwik Dharmapal Banerjee, Beata E. Kowal, Hemant Prasad, Jan T. Sobczyk2026-03-20⚛️ nucl-ex

Impact of QCD Energy Evolution on Observables in Heavy-Ion Collisions

This study demonstrates that incorporating QCD small-xx energy evolution (JIMWLK) into the IP-Glasma initial state framework significantly alters key heavy-ion collision observables, such as particle multiplicities and flow correlations, highlighting the critical necessity of nonlinear QCD evolution for accurately modeling early-stage dynamics and extracting quark-gluon plasma transport properties.

Heikki Mäntysaari, Björn Schenke, Chun Shen, Wenbin Zhao2026-03-20⚛️ nucl-ex

Single-particle strength toward N = 32: Spectroscopy of 51 Ca via the 50 Ca(d, p) reaction

This paper reports on the spectroscopy of neutron-rich 51Ca via the 50Ca(d,p) reaction, identifying single-particle states and a candidate 9/2+ excitation to provide new constraints on shell evolution in calcium isotopes through comparison with shell-model and ab initio VS-IMSRG calculations.

C. Ferrera, K. Wimmer, D. Suzuki, N. Imai, A. Jungclaus, T. Miyagi, Y. Utsuno, D. Das, T. Chillery, S. Hanai, J. W. Hwang, N. Kitamura, R. Kojima, S. Michimasa, R. Yokoyama, Y. Anuar, M. Armstrong, S. (…)2026-03-20⚛️ nucl-ex

Measurement of the B0\mathbf{B^0}-meson production cross section in proton--proton collisions at s=13.6\mathbf{\sqrt{\textit{s}}=13.6} TeV

The ALICE collaboration at the LHC reports the first measurement of the transverse-momentum differential production cross section of B0^0 mesons in proton-proton collisions at s=13.6\sqrt{s}=13.6 TeV down to pT=1 GeV/cp_{\rm T}=1~\mathrm{GeV}/c, finding results consistent with perturbative quantum-chromodynamics models.

ALICE Collaboration2026-03-20⚛️ nucl-ex

Evidence of different ΛcΛ_{\rm c}-baryon and D-meson elliptic flow in Pb$-$Pb collisions at sNN\mathbf{\sqrt{\textit{s}_{\rm NN}}} = 5.36 TeV with ALICE at the LHC

The ALICE collaboration presents the first measurement of elliptic flow (v2v_2) for prompt Λc\Lambda_{\rm c} baryons in Pb-Pb collisions at sNN=5.36\sqrt{s_{\rm NN}} = 5.36 TeV, observing a significantly larger v2v_2 for Λc\Lambda_{\rm c} compared to D0^0 mesons that provides evidence for charm-hadron formation via quark coalescence.

ALICE Collaboration2026-03-20⚛️ nucl-ex

Green's Function Formalism for Impurity-Induced Resonances in Sub-barrier Proton-Nucleus Scattering

This paper establishes a non-perturbative Green's function formalism that models sub-barrier proton-nucleus scattering via a surface delta-shell impurity, successfully predicting resonance energies for p+7Lip + {}^{7}\text{Li}, p+14Np + {}^{14}\text{N}, and p+23Nap + {}^{23}\text{Na} systems while distinguishing between weak-coupling threshold states and saturated geometric plateau states.

Bahruz Suleymanli, Kutsal Bozkurt2026-03-19⚛️ nucl-ex

Resolving anomalous collectivity in the 41+4_1^+ to 21+2_1^+ transition of 58^{58}Fe

This study resolves a long-standing discrepancy in the 41+4_1^+ to 21+2_1^+ transition strength of 58^{58}Fe by using Coulomb-excitation measurements to demonstrate that previous lifetime data were overestimated due to outdated electronic stopping power models, thereby confirming the validity of shell-model predictions.

J. A. Woodside, B. J. Coombes, A. E. Stuchbery, A. J. Mitchell, M. Reece, G. J. Lane, T. J. Gray, G. Pasqualato, L. J. McKie, N. J. Spinks2026-03-19⚛️ nucl-ex