Higher-order isospin-symmetry breaking corrections to nuclear matrix elements of superallowed 0+ 0+ Fermi β decay of T=1 nucleiWe study the shell-model formalism to include the isospin-symmetry-breaking correction (δC) to nuclear matrix element of superallowed 0+ 0+ Fermi β decays of T=1 nuclei. Based on a…Latsamy Xayavong, Nadezda Smirnova·Jan 4, 2022SaveLearn
Symmetry breaking of Gamow-Teller and magnetic-dipole transitions and its restoration in calcium isotopesNuclear magnetic-dipole (M1) and Gamow-Teller (GT) transitions provide insight into the spin-isospin properties of atomic nuclei. By considering them as unified spin-isospin transitions, the M1/GT…Tomohiro Oishi, Ante Ravlic, Nils Paar·Jan 3, 2022SaveLearn
Quark-nuclear hybrid equation of state for neutron stars under modern observational constraintsWe study a family of equations of state for hybrid neutron star matter. The hybrid EOS are obtained by a Maxwell construction of the first-order phase transition between a hadronic phase described by…G. A. Contrera, D. Blaschke, J. P. Carlomagno et al.·Jan 3, 2022SaveLearn
Simultaneous description of wobbling and chiral properties in even-odd triaxial nucleiA particle-triaxial rigid core Hamiltonian is semi-classically treated. The coupling term corresponds to a particle rigidly coupled to the triaxial core, along a direction that does not belong to any…C. M. Raduta, A. A. Raduta, R. Poenaru et al.·Jan 3, 2022SaveLearn
Nuclear masses learned from a probabilistic neural networkMachine learning methods and uncertainty quantification have been gaining interest throughout the last several years in low-energy nuclear physics. In particular, Gaussian processes and Bayesian…A. E. Lovell, A. T. Mohan, T. M. Sprouse et al.·Jan 3, 2022SaveLearn
Bootstrapping the deuteronBootstrap is a novel and ambitious paradigm for quantum physics. It aims to solve the target problems by exploiting theoretical constraints from general physical principles and self-consistency…Dong Bai·Jan 3, 2022SaveLearn
Direct Nuclear ReactionsIn this brief review we discuss the basic theoretical concepts used in the experimental studies of the most common cases of direct reactions such as (a) elastic scattering, (b) inelastic scattering,…Carlos A. Bertulani, Angela Bonaccorso·Jan 2, 2022SaveLearn
Influence of moments of inertia on transverse wobbling mode in odd-mass nucleiThe reported transverse wobbling band in odd-mass 105Pd has been reinvestigated by the triaxial particle rotor model. Employing different parameter sets of moment of inertia (MOI), several…Hui Zhang, Bin Qi, Xu Dong Wang et al.·Jan 2, 2022SaveLearn
Nuclear states projected from a pair condensateAtomic nuclei exhibit deformation, pairing correlations, and rotational symmetries. To meet these competing demands in a computationally tractable formalism, we revisit the use of general pair…Yi Lu, Yang Lei, Calvin W. Johnson et al.·Dec 31, 2021SaveLearn
Entanglement and seniorityWe study mode-entanglement in the seniority model, derive analytic formulas for the one-body reduced density matrix of states with seniority ν= 0,\;1,\;2, and ν=3, and also determine the particle…J. Kovács, A. T. Kruppa, P. Salamon et al.·Dec 31, 2021SaveLearn
Superfluid density in disordered pasta phases in neutron star crustsWe calculate the superfluid density of nucleons in disordered pasta phases in the inner crust of neutron stars using an effective medium approach which parallels that previously used for calculating…Zhao-Wen Zhang, C. J. Pethick·Dec 30, 2021SaveLearn
Thermalization of Nuclear Matter in Heavy-Ion Collisions at Fermi-EnergiesWe analyze the time evolution of the kinetic properties of nuclear matter produced in heavy-ion collisions at Fermi energies. The collision system is simulated using Constrained Molecular Dynamics…Thomas Onyango, Aldo Bonasera, Ralf Rapp·Dec 29, 2021SaveLearn
Extended relaxation time approximation and relativistic dissipative hydrodynamicsDevelopment of a new framework for derivation of order-by-order hydrodynamics from Boltzmann equation is necessary as the widely used Anderson-Witting formalism leads to violation of fundamental…Dipika Dash, Samapan Bhadury, Sunil Jaiswal et al.·Dec 29, 2021SaveLearn
Evolution of Λ polarization in the hadronic phase of heavy-ion collisionsUsing the AMPT + MUSIC+UrQMD hybrid model, we study the global and local spin polarizations of Λ hyperons as functions of the freeze-out temperature of the spin degree of freedom in the hadronic…Yifeng Sun, Zhen Zhang, Che Ming Ko et al.·Dec 29, 2021SaveLearn
Single-state or low-lying-states dominance mechanism of 2νββ-decay nuclear matrix elementsThe 2νββ-decay nuclear matrix elements (NMEs) for 11 nuclei are studied with the self-consistent quasiparticle random phase approximation (QRPA) based on Skyrme Hartree-Fock-Bogoliubov (Skyrme HFB)…W. L. Lv, Y. F. Niu, D. L. Fang et al.·Dec 29, 2021SaveLearn
Time-dependent extension of the self-consistent band theory for neutron star matter: Anti-entrainment effects in the slab phaseBackground: In the solid crust of neutron stars, a variety of crystalline structure may exist. Recently the band theory of solids has been applied to the inner crust of neutron stars and significance…Kazuyuki Sekizawa, Sorataka Kobayashi, Masayuki Matsuo·Dec 29, 2021SaveLearn
Characteristic momentum of Hydro+ and a bound on the speed of sound near the QCD critical pointNear the critical point in the QCD phase diagram, hydrodynamics breaks down at a momentum where the frequency of the fastest hydrodynamic mode becomes comparable with the decay rate of the slowest…Navid Abbasi, Matthias Kaminski·Dec 29, 2021SaveLearn
Two-body weak currents in heavy nucleiIn light and medium-mass nuclei, two-body weak currents from chiral effective field theory account for a significant portion of the phenomenological quenching of Gamow-Teller transition matrix…E. M. Ney, J. Engel, N. Schunck·Dec 29, 2021SaveLearn
Resummed relativistic dissipative hydrodynamicsIn this review, we present the motivation for using relativistic anisotropic hydrodynamics to study the physics of ultrarelativistic heavy-ion collisions. We then highlight the main ingredients of…Huda Alalawi, Mubarak Alqahtani, Michael Strickland·Dec 29, 2021SaveLearn
Exact expressions for the number of levels in single-j orbits for three, four and five fermionsWe propose closed-form expressions of the distributions of magnetic quantum number M and total angular momentum J for three and four fermions in single-j orbits. The latter formulas consist of…Michel Poirier, Jean-Christophe Pain·Dec 29, 2021SaveLearn
Steady asymptotic equilibria in conformal relativistic fluidsWhen one considers a shock wave in the frame where the shock is at rest, on either side one has a steady flow which converges to equilibrium away from the shock. However, hydrodynamics is unable to…Esteban Calzetta·Dec 28, 2021SaveLearn
Prediction of (p,n) Charge-Exchange Reactions with Uncertainty QuantificationBackground: Charge-exchange reactions are a powerful tool for exploring nuclear structure and nuclear astrophysics, however, a robust charge-exchange reaction theory with quantified uncertainties is…T. R. Whitehead, T. Poxon-Pearson, F. M. Nunes et al.·Dec 28, 2021SaveLearn
Machine learning phase transitions of the three-dimensional Ising universality classExploration of the QCD phase diagram and critical point is one of the main goals in current relativistic heavy-ion collisions. The QCD critical point is expected to belong to a three-dimensional (3D)…Xiaobing Li, Ranran Guo, Yu Zhou et al.·Dec 28, 2021SaveLearn
Nuclear level densities: from empirical models to microscopic methodsThe level density is among the most important statistical nuclear properties. It appears in Fermi's golden rule for transition rates and is an important input to the Hauser-Feshbach theory of…Y. Alhassid·Dec 28, 2021SaveLearn
Transverse mass scaling of dilepton radiation off a quark-gluon plasmaThe spectrum of dileptons produced by the quark-gluon plasma in an ultrarelativistic nucleus-nucleus collision depends only, to a good approximation, on the transverse mass Mt of the dilepton. This…Maurice Coquet, Xiaojian Du, Jean-Yves Ollitrault et al.·Dec 27, 2021SaveLearn