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A compressible liquid-drop model (CLDM) is used to correlate uncertainties associated with the properties of the neutron star (NS) crust with theoretical estimates of the uncertainties associated with the equation of state (EOS) of…

核理论 · 物理学 2022-03-29 G. Grams , R. Somasundaram , J. Margueron , S. Reddy

Exploring nucleon drip lines and astrophysical rapid neutron capture process (r-process) paths in the nuclear landscape is extremely challenging in nuclear physics and astrophysics. While various models predict similar proton drip line,…

核理论 · 物理学 2015-10-22 Rui Wang , Lie-Wen Chen

Recent studies based on the relativistic mean field (RMF) model found certain nuclear empirical parameters, in particular the nucleon effective mass, to be strongly correlated with observable properties of Neutron Stars (NSs), such as the…

高能天体物理现象 · 物理学 2026-02-09 Rajesh Maiti , Debarati Chatterjee

Nuclear starburst discs (NSDs) are star-forming discs that may be residing in the nuclear regions of active galaxies at intermediate redshifts. One dimensional (1D) analytical models developed by Thompson et al. (2005) show that these discs…

高能天体物理现象 · 物理学 2017-04-03 Raj Gohil , David R. Ballantyne

The possibility of observing neutrinoless double beta decay offers the opportunity of determining the neutrino mass IF the nuclear matrix element were known. Theoretical calculations are uncertain and measurements of the occupations of…

Scattered neutron spectroscopy is a diagnostic technique commonly used to measure areal density in ICF experiments. Deleterious areal density asymmetries modify the shape of the scattered neutron spectrum. In this work a novel analysis is…

等离子体物理 · 物理学 2021-12-15 Aidan Crilly , Brian Appelbe , Owen Mannion , Chad Forrest , Jeremy Chittenden

As the densities in the interior of neutron stars exceed those of terrestrial nuclear experiments, they provide a scope for studying the nature of dense matter under extreme conditions. The composition of the inner core of neutron stars is…

高能天体物理现象 · 物理学 2021-04-07 Bikram Keshari Pradhan , Debarati Chatterjee

Due to their large coherent scattering cross section, diamond nanoparticles (DNPs) are considered as a promising candidate material for a new neutron reflector. For investigation of scattering cross sections of packed samples, we have…

仪器与探测器 · 物理学 2020-07-17 Kenji Mishima , Toshiya Otomoa , Kazutaka Ikeda , Hidetoshi Ohshita

The transition density $n_t$ and pressure $P_t$ at the inner edge between the liquid core and the solid crust of a neutron star are analyzed using the thermodynamical method and the framework of relativistic nuclear energy density…

核理论 · 物理学 2014-11-20 Ch. C. Moustakidis , T. Niksic , G. A. Lalazissis , D. Vretenar , P. Ring

Results for elastic electron scattering by nuclei, calculated with charge densities of Skyrme forces and covariant effective Lagrangians that accurately describe nuclear ground states, are compared against experiment in stable isotopes.…

核理论 · 物理学 2008-11-26 X. Roca-Maza , M. Centelles , F. Salvat , X. Vinas

Multi-neutron systems are crucial to understanding the physics of neutron-rich nuclei and neutron stars. Neutron drops, neutrons confined in an external field, are investigated systematically in both non-relativistic and relativistic…

核理论 · 物理学 2016-10-19 P. W. Zhao , S. Gandolfi

In this study, a mathematical model of neutron moderation is developed that accounts for the temperature of the fissile medium and the contribution of inelastic neutron scattering on heavy nuclei of uranium 238 in reactor cores. Within the…

仪器与探测器 · 物理学 2026-05-12 Sergey Chernezhenko , Victor Tarasov , Volodymyr Vashchenko , Iryna Korduba

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…

A correlation is established between the neutron multiplicity and the neutrons number in the fission state of Curium and Californium isotopes within a microscopic study using relativistic mean field formalism. The study includes the…

核理论 · 物理学 2019-11-13 M. Bhuyan , B. V. Carlson , S. K. Patra , R. K. Gupta

The kinematic lower bound for the single scattering of neutrons produced in DT fusion reactions produces a backscatter edge in the measured neutron spectrum. The energy spectrum of backscattered neutrons is dependent on the scattering ion…

We obtained a density-dependent analytical expression of binding energy per nucleon for different neutron-proton asymmetry of the nuclear matter (NM) with a polynomial fitting, which manifests the results of effective field theory motivated…

核理论 · 物理学 2021-02-03 Ankit Kumar , H. C. Das , Manpreet Kaur , M. Bhuyan , S. K. Patra

Nuclear resonant x-ray diffraction in grazing incidence geometry is used to determine the lateral magnetic configuration in a one-dimensional lattice of ferromagnetic nanostripes. During magnetic reversal, strong nuclear superstructure…

The appearance of strangeness in the form of hyperons within the inner core of neutron stars is expected to affect its detectable properties such as its global structure or gravitational wave emission. In this work, we explore the parameter…

高能天体物理现象 · 物理学 2023-12-19 Suprovo Ghosh , Bikram Keshari Pradhan , Debarati Chatterjee , Jürgen Schaffner-Bielich

The nucleon-nucleon correlation between nucleons leads to the Fermi surface depletion measured by a $Z$-factor in momentum distribution of dense nuclear matter. The roles of the Fermi surface depletion effect ($Z$-factor effect) and its…

核理论 · 物理学 2021-01-19 J. M. Dong

The thermal conductivity and shear viscosity of dense nuclear matter, along with the corresponding shear viscosity timescale of canonical neutron stars (NSs), are investigated, where the effect of Fermi surface depletion (i.e., the…

核理论 · 物理学 2021-01-20 X. L. Shang , P. Wang , W. Zuo , J. M. Dong