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An alternative way to constrain the density dependence of the symmetry energy with the slope of the neutron skin thickness of nuclei which shows a linear relation to both the isospin asymmetry and the nuclear charge with a form of Z^{2/3}…

Nuclear Theory · Physics 2011-08-02 Min Liu , Zhuxia Li , Ning Wang , Fengshou Zhang

With the equations of state provided by the newly developed density dependent relativistic Hartree-Fock (DDRHF) theory for hadronic matter, the properties of the static and $\beta$-equilibrium neutron stars without hyperons are studied for…

Nuclear Theory · Physics 2010-11-23 Bao Yuan Sun , Wen Hui Long , Jie Meng , U. Lombardo

Through continuous progress in nuclear theory and experiment and an increasing number of neutron-star observations, a multitude of information about the equation of state (EOS) for matter at extreme densities is available. To constrain the…

Motivated by the unknown nature of the $2.50-2.67\,M_\odot$ compact object in the binary merger event GW190814, we study the maximum neutron star mass based on constraints from low-energy nuclear physics, neutron star tidal deformabilities…

Nuclear Theory · Physics 2021-09-29 Yeunhwan Lim , Anirban Bhattacharya , Jeremy W. Holt , Debdeep Pati

With ongoing advancements in nuclear theory and experimentation, together with a growing body of neutron star (NS) observations, a wealth of information on the equation of state (EOS) for matter at extreme densities has become accessible.…

High Energy Astrophysical Phenomena · Physics 2025-07-18 Bhaskar Biswas , Stephan Rosswog

Neutron stars are valuable laboratories for the study of dense matter. Recent observations have uncovered both massive and low-mass neutron stars and have also set constraints on neutron star radii. The largest mass measurements are…

Nuclear Theory · Physics 2013-05-16 James M. Lattimer

Properties of neutron stars in GW170817 are investigated using different equations of state (EoS) involving nucleons, $\Lambda$ hyperons, quarks resulting in $2M_{\odot}$ neutron stars. This calculation is performed using the same EoS for…

High Energy Astrophysical Phenomena · Physics 2019-01-02 Sajad A. Bhat , Debades Bandyopadhyay

The equation of state (EOS) of dense matter in neutron stars (NSs) remains uncertain, particularly at supra-nuclear densities where complex nuclear interactions and the potential presence of exotic matter, like hyperons, come into play. The…

Nuclear Theory · Physics 2026-01-13 N. K. Patra , Tuhin Malik , Kai Zhou , Constança Providência

The neutron density distributions and neutron skin thicknesses in $^{40,48}$Ca are determined from the angular distributions of the cross sections and analyzing powers of polarized proton elastic scattering at $E_p = 295$ MeV. Based on the…

It has been shown recently that taking into account strong, weak, electromagnetic, and gravitational interactions, and fulfilling the global charge neutrality of the system, a transition layer will happen between the core and crust of…

Solar and Stellar Astrophysics · Physics 2014-03-20 Jorge A. Rueda , Remo Ruffini , Yuan-Bin Wu , She-Sheng Xue

The large imbalance in the neutron and proton densities in very neutron rich systems increases the nuclear symmetry energy so that it governs many aspects of neutron stars and their mergers. Extracting the density dependence of the symmetry…

Nuclear Theory · Physics 2022-06-01 W. G. Lynch , M. B. Tsang

Coherent elastic neutrino-nucleus scattering was first experimentally established five years ago by the COHERENT experiment using neutrinos from the spallation neutron source at Oak Ridge National Laboratory. The first evidence of…

High Energy Physics - Phenomenology · Physics 2022-07-12 Pilar Coloma , Ivan Esteban , M. C. Gonzalez-Garcia , Leire Larizgoitia , Francesc Monrabal , Sergio Palomares-Ruiz

The prospects of extracting new physics signals in coherent elastic neutrino--nucleus scattering (CE$\nu$NS) processes are limited by the precision with which the underlying nuclear structure physics, embedded in the weak nuclear form…

Nuclear Theory · Physics 2023-04-27 N. Van Dessel , V. Pandey , H. Ray , N. Jachowicz

The properties of neutron stars are determined by the nature of the matter that they contain. These properties can be constrained by measurements of the star's size. We obtain stringent constraints on neutron-star radii by combining…

High Energy Astrophysical Phenomena · Physics 2020-03-25 Collin D. Capano , Ingo Tews , Stephanie M. Brown , Ben Margalit , Soumi De , Sumit Kumar , Duncan A. Brown , Badri Krishnan , Sanjay Reddy

We make use of isospin constraints to study the parametric coupling model and the properties of asymmetric nuclear matter. Besides the usual constraints for nuclear matter - effective nucleon mass and the incompressibility at saturation…

Both the neutron skin thickness $\Delta R_{np}$ of atomic nuclei and the low-energy neutrino-nucleon ($\nu N$) interactions are of fundamental importance in nuclear and particle physics, astrophysics as well as new physics beyond the…

High Energy Physics - Phenomenology · Physics 2019-10-16 Xu-Run Huang , Lie-Wen Chen

The model dependence in the correlations of the neutron-skin thickness in heavy nuclei with various symmetry energy parameters is analyzed by using several families of systematically varied microscopic mean field models. Such correlations…

Nuclear Theory · Physics 2016-06-22 C. Mondal , B. K. Agrawal , M. Centelles , G. Colò , X. Roca-Maza , N. Paar , X. Viñas , S. K. Singh , S. K. Patra

The equation of state of the neutron-star outer crust is sensitive to nuclear mass predictions and provides a direct connection to properties of nuclei throughout the nuclide map, including those beyond experimental reach. We quantify the…

Nuclear Theory · Physics 2026-05-12 P. S. Koliogiannis , N. Paar

Based on the distribution of tidal deformabilities and component masses of binary neutron star merger GW170817, the parametric equation of states (EOS) are employed to probe the nuclear symmetry energy and the properties of neutron star. To…

Nuclear Theory · Physics 2021-01-22 Yuxi Li , Houyuan Chen , Dehua Wen , Jing Zhang

Constraints set on key parameters of the nuclear matter equation of state (EoS) by the values of the tidal deformability, inferred from GW170817, are examined by using a diverse set of relativistic and non-relativistic mean field models.…

Nuclear Theory · Physics 2018-10-03 Tuhin Malik , N. Alam , M. Fortin , C. Providência , B. K. Agrawal , T. K. Jha , Bharat Kumar , S. K. Patra