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.

Bayesian Inference of Hybrid Star Properties from Future High-Precision Measurements of Their Radii

This study demonstrates that future high-precision radius measurements of neutron stars will significantly constrain the hadron-quark phase transition density and related equation of state parameters through Bayesian analysis, yet will remain largely insensitive to the stiffness of quark matter regardless of measurement accuracy.

Bao-An Li, Xavier Grundler, Wen-Jie Xie, Nai-Bo Zhang2026-02-17⚛️ nucl-ex

Reaction processes of muon-catalyzed fusion in the muonic molecule $ddμ$ studied with the tractable TT-matrix model

This paper applies a tractable TT-matrix model to investigate the nuclear reaction processes, fusion rates, and sticking probabilities of the ddμdd\mu muonic molecule, specifically analyzing pp-wave fusion channels and charge symmetry violations in light of recently reported discrepancies in pp-wave astrophysical S(E)S(E) factors.

Qian Wu, Zhu-Fang Cui, Masayasu Kamimura2026-02-17⚛️ nucl-ex

Influence of strangeness on the anisotropic flow of prompt Ds±^\pm_\mathrm{s} mesons in PbPb collisions at sNN\sqrt{s_\mathrm{NN}} = 5.02 TeV

Using CMS data from PbPb collisions at 5.02 TeV, this study measures the azimuthal anisotropy of prompt Ds±^\pm_\mathrm{s} mesons and finds their flow coefficients to be consistent with those of D0^0 mesons, indicating that the strangeness content does not significantly alter the mesons' interaction with the quark-gluon plasma within the measured transverse momentum range.

CMS Collaboration2026-02-17⚛️ nucl-ex

Measurements of Beam Spin Asymmetries of π±π0π^\pmπ^0 dihadrons at CLAS12

Using the CLAS12 detector at Jefferson Lab, researchers reported the first measurement of beam spin asymmetries for π±π0\pi^\pm\pi^0 dihadrons in semi-inclusive deep inelastic scattering, employing a machine learning-based photon classifier to significantly enhance statistics and revealing a nonzero asymmetry sensitive to the twist-3 quark-gluon correlation PDF e(x)e(x) as well as the first experimental evidence for the isospin dependence of the helicity-dependent dihadron fragmentation function G1G_1^\perp.

A. G. Acar, P. Achenbach, J. S. Alvarado, M. Amaryan, W. R. Armstrong, H. Atac, H. Avakian, N. A. Baltzell, L. Barion, M. Battaglieri, F. Benmokhtar, A. Bianconi, A. S. Biselli, K. -T. Brinkmann, F. B (…)2026-02-17⚛️ nucl-ex

Single-particle properties of the near-threshold proton-emitting resonance in 11^{11}B

Using the self-consistent Skyrme Hartree-Fock in the continuum method, this study calculates the proton elastic scattering excitation function from 10^{10}Be to successfully reproduce and interpret the narrow near-threshold 1/2+1/2^+ resonance in 11^{11}B as an s1/2s_{1/2} single-proton state, thereby supporting recent experimental findings at the NSCL.

Le-Anh Nguyen, Minh-Loc Bui, Naftali Auerbach, Vladimir Zelevinsky2026-02-16⚛️ nucl-ex

Landscape of nuclear deformation softness with spherical quasi-particle random phase approximation

This paper employs a spherical Skyrme-force Hartree-Fock BCS quasi-particle random phase approximation to map the landscape of nuclear deformation softness across the nuclide chart, diagnosing ground-state instabilities and calculating multipole polarizability to reveal the interplay between intrinsic nuclear shapes, shell structure, and low-lying collective dynamics.

Le-Anh Nguyen, Minh-Loc Bui, Panagiota Papakonstantinou, Naftali Auerbach2026-02-16⚛️ nucl-ex