Unstable Anisotropic Neutron Stars: Probing the Limits of Gravitational CollapseNeutron stars (NSs) are incredibly versatile for studying various important aspects of high-energy and compact-object physics. These celestial objects contain extreme matter at incredibly high…S. R. Mohanty, Sayantan Ghosh, Bharat Kumar·Apr 5, 2023SaveLearn
A+2n compound nuclei and the unitary limit in nuclear physicsThis contribution discusses a new perception of the structure of compound nuclei by introducing intermediate states of the Feshbach formalism of nuclear reactions in the Interacting Boson Model of…P. E. Georgoudis·Apr 5, 2023SaveLearn
Exact spin polarization of massive and massless particles in relativistic fluids at global equilibriumWe present the exact form of the spin polarization vector and the spin density matrix of massive and massless free particles of any spin and helicity at general global equilibrium in a relativistic…Andrea Palermo, Francesco Becattini·Apr 5, 2023SaveLearn
Inference of the low-energy constants in -full chiral effective field theory including a correlated truncation errorWe sample the posterior probability distributions of the low-energy constants (LECs) in -full chiral effective field theory () up to third order. We use eigenvector continuation for…Isak Svensson, Andreas Ekström, Christian Forssén·Apr 4, 2023SaveLearn
Hybrid stars with reactive interfaces: analysis within the Nambu-Jona-Lasinio modelIt has been shown recently that quark-hadron conversions at the interface of a hybrid star may have a key role on the dynamic stability of the compact object. In this work we perform a systematic…C. H. Lenzi, G. Lugones, C. Vasquez·Apr 4, 2023SaveLearn
Nucleosynthesis and observation of the heaviest elementsThe rapid neutron capture or 'r process' of nucleosynthesis is believed to be responsible for the production of approximately half the natural abundance of heavy elements found on the periodic table…E. M. Holmbeck, T. M. Sprouse, M. R. Mumpower·Apr 4, 2023SaveLearn
Relativistic Hartree-Fock Chiral Lagrangians with confinement, nucleon finite size and short-range effectsA relativistic Hartree-Fock Lagrangian including a chiral potential and nucleon polarisation is investigated in hopes of providing a better description of dense nuclear matter. We fully consider the…M. Chamseddine, J. Margueron, G. Chanfray et al.·Apr 4, 2023SaveLearn
Investigation of the cause of the discrepancies between calculated running sums for nuclear matrix elements of two-neutrino double-β decayA qualitative difference in the running sum for the nuclear matrix element of the two-neutrino double-β decay of 136Xe was found four years ago between quasiparticle random-phase…J. Terasaki·Apr 4, 2023SaveLearn
Linear Stability of Shock Waves in Ultrarelativistic Anisotropic HydrodynamicsLinear stability of a plane shock waves in ultrarelativistic anisotropic hydrodynamics is investigated. The properties of the amplitudes of perturbations of physical quantities are studied depending…Aleksandr Kovalenko·Apr 4, 2023SaveLearn
Nuclear mass table in density functional approach inspired by neutron-star observationsBackground: Nuclear energy-density functional (EDF) approach has been widely used to describe nuclear-matter equations of state (EoS) and properties of finite nuclei. Recent advancements in…Hana Gil, Nobuo Hinohara, Chang Ho Hyun et al.·Apr 4, 2023SaveLearn
Magnetic moments of A = 3 nuclei with chiral effective field theory operatorsChiral effective field theory () provides a framework for obtaining internucleon interactions in a systematically improvable fashion from first principles, while also providing for the…Soham Pal, Shiplu Sarker, Patrick J. Fasano et al.·Apr 3, 2023SaveLearn
Two-body double pole and three-body bound states: physical and unphysical quark massesWe solve the Faddeev bound-state equations for three particles with simple two-body nonlocal, separable potentials that yield a scattering length twice as large as a positive effective range, as…V. S. Timoteo, U. van Kolck·Apr 3, 2023SaveLearn
Constraints on the in-medium nuclear interaction from chiral symmetry and Lattice-QCDIn this paper we discuss the combined effects on nuclear matter properties of the quark confinement mechanism in nucleon and of the chiral effective potential resulting from the spontaneous breaking…G. Chanfray, H. Hansen, J. Margueron·Apr 3, 2023SaveLearn
Relativistic second-order spin hydrodynamics: an entropy-current analysisWe present a new derivation of Israel-Stewart-like relativistic second-order dissipative spin hydrodynamic equations using the entropy current approach. In our analysis, we consider a general…Rajesh Biswas, Asaad Daher, Arpan Das et al.·Apr 3, 2023SaveLearn
Allowed β- decay of bare atoms with A 60-80 in stellar environmentsWe have calculated β- decay rates to the continuum and bound states of some fully ionized atoms in the stellar s-process environment having free electron density and temperature in the range…Arkabrata Gupta, Chirashree Lahiri, S. Sarkar·Apr 3, 2023SaveLearn
Semiclassical origin of nuclear ground-state octupole deformationsBackground: Ground-state octupole deformations are suggested in nuclei located in the north-east neighbor of the doubly magic nuclei on the nuclear chart (N,Z), such as those in Ba and Ra-Th regions.…Ken-ichiro Arita·Apr 2, 2023SaveLearn
Gamow Shell Model description of 7Li and elastic scattering reaction 4He(3H, 3H)4HeSpectrum of 7Li and elastic scattering reaction 4He(3H, 3H)4He are studied using the unified description of the Gamow shell model in the coupled-channel formulation (GSMCC). The…J. P. Linares Fernández, M. Płoszajczak, N. Michel·Apr 2, 2023SaveLearn
Polaronic Proton and Diproton Clustering in Neutron-Rich MatterWe show that strong spin-triplet neutron-proton interaction causes polaronic protons to occur in neutron matter at subnuclear densities and nonzero temperature. As the neutron density increases,…Hiroyuki Tajima, Hajime Moriya, Wataru Horiuchi et al.·Apr 2, 2023SaveLearn
Electric and magnetic conductivities in magnetized fermion systemsIn Wigner function approach with relaxation time approximation, we calculate electric and magnetic conductivities of a fermion system in the strong magnetic field. The linear response has been…Hao-Hao Peng, Xin-Li Sheng, Shi Pu et al.·Apr 2, 2023SaveLearn
On statistical fluctuations in collective flowsIn relativistic heavy-ion collisions, event-by-event fluctuations are known to have non-trivial implications. Even though the probability distribution is geometrically isotropic for the initial…Wei-Liang Qian, Kai Lin, Chong Ye et al.·Apr 1, 2023SaveLearn
Center-of-mass momentum dependence of short-range correlations with the coarse-grained Granada potentialThe effect of the center of mass motion on the high-momentum distributions of correlated nucleon pairs is studied by solving the Bethe-Goldstone equation in nuclear matter with the Granada…P. R. Casale, J. E. Amaro, E. Ruiz Arriola et al.·Apr 1, 2023SaveLearn
Investigation of giant dipole resonance in Mo isotopes within TDHF theoryThe isovector giant dipole resonance (IVGDR) in the chain of even-even Mo isotopes is investigated within the time-dependent Hartree-Fock (TDHF) using the Skyrme force Sly6. The GDR calculated in $…A. Ait Ben Mennana, M. Oulne·Apr 1, 2023SaveLearn
Microscopic calculation of the pinning energy of a vortex in the inner crust of a neutron starThe structure of a vortex in the inner crust of a pulsar is calculated microscopically in the Wigner-Seitz cell approximation, simulating the conditions of the inner crust of a cold, non-accreting…P. Klausner, F. Barranco, P. M. Pizzochero et al.·Mar 31, 2023SaveLearn
A new boson expansion theory utilizing a norm operatorWe propose a new boson expansion method using a norm operator. The small parameter expansion, in which the boson approximation becomes the zeroth-order approximation, requires the double commutation…Kimikazu Taniguchi·Mar 31, 2023SaveLearn
The influence of the boundary conditions on characteristics of nuclear fissionIn this paper, using a quasi-classical statistical approach based on the Langevin equation, we simulate the fission dynamics of selected even-even U, Pu, Cm, Cf and Fm…Pavel V. Kostryukov, Artur Dobrowolski·Mar 31, 2023SaveLearn