Observational Probes of the Neutron Star Equation of State with Hyperons, Bosonic Dark Matter, and Quark MatterContext. The presence of dark matter in neutron stars is of growing interest due to its potential impact on the structure and observable properties of these objects. Among the various candidates, the…Mahboubeh Shahrbaf, Davood Rafiei Karkevandi, Alexander Ayriyan et al.·Feb 28, 2024SaveLearn
Generator coordinate method with proton--neutron pairing fluctuations and magnetic properties of N=Z odd--odd nucleiPairing correlations play an important role in a variety of nuclear phenomena. However, a quantitative understanding of proton--neutron (pn) pairing, especially isoscalar pn pairing (S=1, T=0)…K. Uzawa, N. Hinohara, T. Nakatsukasa·Feb 28, 2024SaveLearn
Polarized-deuteron scattering by spin-zero target nuclei at intermediate energiesGeneral analytical expressions for the observables in dA-scattering reaction have been derived in the diffraction approximation. The resulting formulas describe the cross section and polarization…Valery I. Kovalchuk·Feb 28, 2024SaveLearn
Hexadecapole deformation of 238U from relativistic heavy-ion collisions using a nonlinear response coefficientThe hexadecapole deformation (β4) of the 238U nucleus has not been determined because its effect is overwhelmed by those from the nucleus' large quadrupole deformation (β2) in…Hao-jie Xu, Jie Zhao, Fuqiang Wang·Feb 26, 2024SaveLearn
Shell-model study of ft values for 139,140,141Ba → 139,140,141La transitionsIn the present work, beta-decay properties such as ft values and half-lives have been systematically studied corresponding to Ba isotopes using large-scale shell-model calculations. An…Shweta Sharma, Praveen C. Srivastava·Feb 26, 2024SaveLearn
Microscopic optical potential from the relativistic Brueckner-Hartree-Fock theory: Proton-nucleus scatteringA relativistic microscopic optical model potential for nucleon-nucleus scattering is developed based on the ab initio relativistic Brueckner-Hartree-Fock (RBHF) theory with the improved local…Pianpian Qin, Sibo Wang, Hui Tong et al.·Feb 26, 2024SaveLearn
Microscopic study of deformation and orientation effects in heavy-ion reactions above Coulomb barrier using the Boltzmann-Uehling-Uhlenbeck modelBackground: The understanding of the impact of initial deformation and collision orientation on quasi-fission and fusion-fission reactions remains incomplete. Purpose: This article aims to explore…Yujie Feng, Huizi Liu, Yingge Huang et al.·Feb 25, 2024SaveLearn
Transport properties of asymmetric nuclear matter in the spinodal regionWe have studied the shear and bulk viscosities of asymmetric nuclear matter in the mechanical and chemical instability region based on IBUU transport simulations in a box system. The Green-Kubo…Lei-Ming Hua, Jun Xu·Feb 25, 2024SaveLearn
Ab initio description of monopole resonances in light- and medium-mass nuclei: II. Ab initio PGCM calculations in 46Ti, 28Si and 24MgGiant resonances (GRs) are a striking manifestation of collective motions in atomic nuclei. The present paper is the second in a series of four dedicated to the use of the projected generator…Andrea Porro, Thomas Duguet, Jean-Paul Ebran et al.·Feb 24, 2024SaveLearn
Shell-model study of 58Ni using quantum computing algorithmThis study presents a simulated quantum computing approach for the investigation into the shell-model energy levels of 58Ni through the application of the variational eigensolver (VQE) method in…Bharti Bhoy, Paul Stevenson·Feb 23, 2024SaveLearn
General predictions of neutron star properties using unified relativistic mean-field equations of stateIn this work we present general predictions for the static observables of neutron stars (NSs) under the hypothesis of a purely nucleonic composition of the ultra-dense baryonic matter, using Bayesian…Luigi Scurto, Helena Pais, Francesca Gulminelli·Feb 23, 2024SaveLearn
Extended Fayans energy density functional: optimization and analysisThe Fayans energy density functional (EDF) has been very successful in describing global nuclear properties (binding energies, charge radii, and especially differences of radii) within nuclear…Paul-Gerhard Reinhard, Jared O'Neal, Stefan M. Wild et al.·Feb 23, 2024SaveLearn
Worldline Monte Carlo method for few body nuclear physicsIn this work we introduce a worldline based fermion Monte Carlo algorithm for studying few body quantum mechanics of self-interacting fermions in the Hamiltonian lattice formulation. Our motivation…Shailesh Chandrasekharan, Son T. Nguyen, Thomas R. Richardson·Feb 23, 2024SaveLearn
Perturbative computations of neutron-proton scattering observables using renormalization-group invariant up to N3LOWe predict neutron-proton scattering cross-sections and polarization observables up to next-to-next-to-next-to leading order in a renormalization-group invariant description of the strong…Oliver Thim, Andreas Ekström, Christian Forssén·Feb 23, 2024SaveLearn
Assessing the Impact of Nuclear Mass Models on the Prediction of Synthesis Cross Sections for Superheavy ElementsWithin the framework of the dinuclear system model, this study delves into the impact of various nuclear mass models on evaluating the fusion probability of superheavy nuclei. Nuclear mass models, as…Chang Geng, Peng-Hui Chen, Fei Niu et al.·Feb 23, 2024SaveLearn
Distinguishing fission-like events from deep-inelastic collisionsWe propose two functions to distinguish fission-like events from quasi-elastic (QE) scattering and deep inelastic collisions (DIC), for a better analysis of the measured mass-total kinetic energy…Hong Yao, Cheng Li, Houbing Zhou et al.·Feb 23, 2024SaveLearn
Gallagher-Moszkowski splitting in deformed odd-odd nuclei within a microscopic approachLow-lying bandhead states in axially prolate deformed odd-odd nuclei have long been described essentially within the rotor+two-quasiparticle picture. This approach allows one to explain the…Ludovic Bonneau, Nathanael Kontowicz, Johann Bartel et al.·Feb 23, 2024SaveLearn
Microscopic bell-shape nonlocality: the case of proton scattering off 40Ca at 200 MeVThis work is part of an ongoing effort to build microscopically-driven nonlocal optical potentials easily tracktable in scattering codes. Based on the separable `JvH' structure proposed recently…G. Blanchon, H. F. Arellano·Feb 22, 2024SaveLearn
Pairing enhancement through the photography of the intermediate nucleus spectrum in a two-nucleon transfer processWhile forming an (A+2) nucleus from a nucleus A via a two-neutron transfer reaction, the constructive interference of the many possible reaction channels favors significant pairing enhancement…G. Singh·Feb 22, 2024SaveLearn
Bayesian inference of thermal effects in dense matter within the covariant density functional theoryThe high temperatures reached in a proto-neutron star or during the post-merger phase of a binary neutron star coalescence lead to non-negligible thermal effects on the equation of state (EOS) of…Adriana R. Raduta, Mikhail V. Beznogov, Micaela Oertel·Feb 22, 2024SaveLearn
Estimating angular momenta of fission fragments from isomeric yield ratiosPurpose: To deduce the angular momenta of fission fragments based on the observed isomeric yield ratios (IYR) in 25-MeV proton-induced fission of 238U and to compare these using Wilson's model.…Zhihao Gao, Andreas Solders, Ali Al-Adili et al.·Feb 22, 2024SaveLearn
Bayesian Model Averaging (BMA) for nuclear data evaluationTo ensure agreement between theoretical calculations and experimental data, parameters to selected nuclear physics models, are perturbed, and fine-tuned in nuclear data evaluations. This approach…E. Alhassan, D. Rochman, G. Schnabel et al.·Feb 22, 2024SaveLearn
Properties of H particle-admixed compact starWe explore the potential manifestation of a hexaquark, the H particle, as a constituent within neutron stars. The H particle, characterized by a quark composition of uuddss, is constructed using…Xuhao Wu, Liming Wang, Hong-Tao An et al.·Feb 22, 2024SaveLearn
Fragmentation of the Giant Pairing Vibration in 14C induced by many-body processesWe present a theoretical framework for treating the full excitation spectrum of Jπ = 0+ pair addition modes, including the well-known low-lying and bound Pairing Vibration on par with the…Francisco Barranco, Gregory Potel, Enrico Vigezzi·Feb 21, 2024SaveLearn
Upper Bound on the Speed of Sound in Nuclear Matter from TransportWe point out that there is an upper bound on the speed of sound squared given by cs2 ≤ 0.781 valid for all known systems described by relativistic transient hydrodynamics where calculations of…Mauricio Hippert, Jorge Noronha, Paul Romatschke·Feb 21, 2024SaveLearn