CREX and PREX-II reconciled within energy-density functional theoryThe CREX and PREX-II measurements of the neutron-skin thickness of 48Ca and 208Pb challenge standard nuclear energy-density functional (EDF) descriptions of nuclei and nuclear matter. We show that…P. Papakonstantinou·Feb 26, 2026SaveLearn
Statistical properties of non-flow correlations in pp and heavy-ion collisions at RHIC energiesIn this work, we have studied the two-particle cumulant in pp, d-Au, and Au-Au collisions. The two-particle cumulant was treated as an event-by-event distribution, and its skewness and kurtosis were…Satya Ranjan Nayak, Akash Das, B. K. Singh·Feb 26, 2026SaveLearn
Symmetry-imposed correlation in nuclear level statistics: The spin distributionDespite long-term research, the origin of spin cutoff in the angular-momentum (spin) distribution of nuclear level densities remains incompletely elucidated. We demonstrate that this problem can be…Junchao Guo, Yang Sun·Feb 26, 2026SaveLearn
The shape of transverse momentum spectra in hybrid hydrodynamic modelsWe study the scaled transverse momentum spectra over a wide parameter space of state-of-the-art hydrodynamic simulation models in order to learn what information can be obtained from the shape of…Thiago S. Domingues, Fernando G. Gardim, Cicero D. Muncinelli et al.·Feb 25, 2026SaveLearn
Impact of Geometric Inflation on Nucleon Size Sensitivity in Relativistic Heavy-Ion CollisionsThe intrinsic transverse size of nucleons, parameterized by a Gaussian width w, is a critical yet uncertain input in the initial-state modeling of relativistic heavy-ion collisions. Using a finite…Jian-fei Wang, Hao-jie Xu·Feb 25, 2026SaveLearn
Isotope-Resolved Ba and Xe Yields in Actinide Fission and Correlated Heavy--Light Fragment SystematicsIsotope-resolved post-neutron fission yields in the Ba and Xe chains are calculated and benchmarked against evaluated reference data, with emphasis on element-resolved isotopic chains Y(Nf) at…K. Pomorski, A. Augustyn, T. Cap et al.·Feb 25, 2026SaveLearn
Empirical formula for total inelastic cross-section of proton-nucleus scatteringWe propose a generic empirical formula for total inelastic cross-sections for various target nuclei scattered by a proton at different energies, which is applicable over a wide range of energy from…Hemant Kumar, Tanmay Maji, Deepa Gupta et al.·Feb 24, 2026SaveLearn
Beyond Mean Field: Fluctuation Diagnostics and Fixed-Point BehaviorWe develop theoretical diagnostics for the breakdown of mean-field theory, demonstrate how spatial structure and finite interaction ranges enter the effective description, and show how these scales…Pok Man Lo·Feb 24, 2026SaveLearn
Probing Neutron Skins with KDAR Neutrinos: From Coherent to Diffractive Elastic Neutrino--Nucleus ScatteringWe investigate coherent elastic neutrino--nucleus scattering (CE) induced by pion--decay--at--rest (πDAR) and kaon--decay--at--rest (KDAR) neutrinos, with emphasis on the transition from…Kyoungsu Heo, Heesung Kwon, Jaewon Kim et al.·Feb 24, 2026SaveLearn
Investigation of the K-pp Bound State via the \( K- + 3He \) ReactionUsing the four-body Alt-Grassberger-Sandhas (AGS) equations for the \( K-ppn \) system, we investigate the possible formation of a \( K-pp \) quasi-bound state through the low-energy \( K- +…Sajjad Marri, Ahmad Naderi Beni·Feb 23, 2026SaveLearn
A Boson exchange approach for Helium Burning StarsHelium burning plays a key role in the hierarchy of stellar nucleosynthesis and evolution, as the archetype of a bosonic 3-body system. Here, we examine the kinetic and nuclear aspects of the…Theodoros Depastas, Aldo Bonasera·Feb 23, 2026SaveLearn
Microscopic Optical Potential from Brueckner-Hartree-Fock TheoryModern Brueckner-Hartree-Fock (BHF) calculations are very successful in describing various properties of symmetric and asymmetric nuclear matter. Within BHF theory a microscopic optical potential…Miao Qi, Li-Li Chen, Li-Gang Cao et al.·Feb 23, 2026SaveLearn
Nuclear Pasta and Crustal Quasi-Periodic Oscillations in Neutron StarWe investigate the impact of nuclear pasta on crustal structure and torsional oscillations using a Bayesian ensemble of unified neutron-star equations of state based on relativistic mean-field models…Vishal Parmar, Ignazio Bombaci·Feb 22, 2026SaveLearn
Probing the structure of pygmy dipole resonance with its gamma decayThe isospin properties and the collectivity of the pygmy dipole resonance (PDR) are long-standing open questions in nuclear structure studies. To answer these questions, the γ-decay of PDR…W. -L. Lv, Y. -F. Niu, G. Colò·Feb 22, 2026SaveLearn
Two-pion exchange nucleon-nucleon potentials with Roper resonance excitationMotivated by the recent paper arXiv:2602.11815 [nucl-th], we calculate in these notes the spectral functions (i.e. imaginary parts) of the NN-potentials as they arise from 2π-exchange with single…Norbert Kaiser·Feb 20, 2026SaveLearn
Constraining the interaction with terrestrial and astronomical dataTerrestrial double- hypernuclear data and astronomical observations of neutron stars provide complementary constraints on the interaction. In this work, we investigate the…Yusuke Tanimura, Chang Ho Hyun, Myung-Ki Cheoun·Feb 20, 2026SaveLearn
Quantum stress and torsion distributions in the deuteronStress distributions in the deuteron are related to form factors of the asymmetric energy-momentum tensor through three-dimensional Fourier transforms. There are eleven such form factors, which we…Wim Cosyn, Adam Freese, Alan Sosa·Feb 20, 2026SaveLearn
Evidence for Multimodal Superfluidity of NeutronsWe present theoretical and experimental evidence for a new phase of matter in neutron-rich systems that we call multimodal superfluidity. Using ab initio lattice calculations, we show that the…Yuan-Zhuo Ma, Georgios Palkanoglou, Joseph Carlson et al.·Feb 19, 2026SaveLearn
Model bias and parameter optimisation with the example of INCL/ABLAThe accuracy and precision of high-energy spallation models play a crucial role in the design and development of new applications and experiments, as well as in data analysis. We discuss the…Jason Hirtz, Jean-Christophe David, Ingo Leya et al.·Feb 19, 2026SaveLearn
Comparison of Pauli projection and supersymetric transformation methods for three-body nuclear structure and reactionsThree-body Faddeev-type equations for bound, resonant, and scattering states in the systems with a nuclear core and two nucleons are solved using the momentum-space framework. Two approaches for…A. Deltuva·Feb 18, 2026SaveLearn
The Crusts of Neutron Stars Revisited: Approximations within a Polytropic Equation of State ApproachIn this work, we revisit several thin-crust approximations presented in the literature and compare them with the exact solutions of the Tolman--Oppenheimer--Volkoff (TOV) equations. In addition, we…F. Köpp, J. E. Horvath, C. A. Z. Vasconcellos·Feb 18, 2026SaveLearn
Rapidity dependence of mean transverse momentum fluctuation and decorrelation in baryon-dense mediumI study the event-by-event fluctuation and rapidity decorrelation of the mean transverse momentum , which has recently been proposed as a sensitive probe of the equation of state at finite…Tribhuban Parida·Feb 18, 2026SaveLearn
Solving BDNK diffusion using physics-informed neural networksIn this work, we reformulate the relativistic BDNK (Bemfica-Disconzi-Noronha-Kovtun) diffusion equation in flux-conservative form, and solve the resulting equations in (1+1)D using both a…Vicente Chomalí-Castro, Nick Clarisse, Nicki Mullins et al.·Feb 18, 2026SaveLearn
Producing Λ(1405) and Λ(1520) in π-p reaction to explore their inner structuresIn this work, the production mechanisms of the hyperon resonances Λ(1405) and Λ(1520) in the π- p scattering are investigated within an effective Lagrangian approach incorporating Regge…Yuan Gao, Xiao-Yun Wang, Xiang Liu·Feb 18, 2026SaveLearn
Radial oscillations of pulsating neutron stars: The UCIa equation-of-state caseRadial oscillations provide a clean dynamical test of the high-density stiffness of neutron-star equations of state. We study spherically symmetric pulsations of nonrotating relativistic stars built…G. Panotopoulos, A. Övgün, T. Iqbal et al.·Feb 17, 2026SaveLearn