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The correlation between neutron skin-thickness of a neutron-rich nucleus and slope parameter of symmetry energy is assessed as a function of density using relativistic mean field models containing non-linear couplings among different…

核理论 · 物理学 2022-04-06 Chiranjib Mondal

Neutron-skin thicknesses provide a sensitive probe of the isovector sector of the nuclear equation of state and its density dependence, commonly characterized by the symmetry-energy slope parameter L. A wide variety of experimental and…

核理论 · 物理学 2026-02-05 A. Azizi , C. A. Bertulani , C. Davila

Bulk nuclear structure properties, such as radii and deformations, leave distinct signatures in the final state of relativistic heavy-ion collisions. Isobaric collisions offer an easy route to establish explicit connections between the…

核理论 · 物理学 2023-07-26 Jiangyong Jia , Giuliano Giacalone , Chunjian Zhang

This is a brief overview of the connection between neutron skin thickness in finite nuclei and the equation of state of neutron-rich matter, with applications to neutron stars. Multiple experimental probes are discussed, including dipole…

核理论 · 物理学 2026-04-30 C. A. Bertulani

The second-order moment of the nuclear charge density($R^2_c$) is dominated by the mean square radius(msr) of the point proton distribution($R_p^2$), while the fourth-order moment($Q^4_c$) depends on the msr of the point neutron…

核理论 · 物理学 2020-09-03 Haruki Kurasawa , Toshimi Suda , Toshio Suzuki

Starting from light to superheavy nuclei, we have calculated the effective surface properties such as the symmetry energy, neutron pressure, and symmetry energy curvature using the coherent density fluctuation model. The isotopic chains of…

核理论 · 物理学 2020-04-22 Abdul Quddus , M. Bhuyan , S. K. Patra

The influence of the central depression in the density distribution of spherical superheavy nuclei on the shell structure is studied within the relativistic mean field theory. Large depression leads to the shell gaps at the proton Z=120 and…

核理论 · 物理学 2008-11-26 A. V. Afanasjev , S. Frauendorf

Direct hard photon emissions from incoherent proton-neutron bremsstrahlung in collisions of the neutron-rich projectile $^{50}$Ca with $^{12}$C and $^{40}$Ca targets are simulated in the framework of the isospin-dependent quantum molecular…

核理论 · 物理学 2022-05-10 S. S. Wang , Y. G. Ma , D. Q. Fang , X. G. Cao

Charge form factors corresponding to proton density distributions in exotic nuclei, such as $^{6,8}$He, $^{11}$Li, $^{17,19}$B and $^{14}$Be are calculated and compared. The results can be used as tests of various theoretical models for the…

核理论 · 物理学 2009-11-10 A. N. Antonov , M. K. Gaidarov , D. N. Kadrev , P. E. Hodgson , E. Moya de Guerra

We discuss the possible implication of the recent predictions of two new properties of high momentum distribution of nucleons in asymmetric nuclei for neutron star dynamics. The first property is about the approximate scaling relation…

核理论 · 物理学 2015-06-18 Misak M. Sargsian

We perform a systematic analysis of the density dependence of the nuclear symmetry energy within the microscopic Brueckner--Hartree--Fock (BHF) approach using the realistic Argonne V18 nucleon-nucleon potential plus a phenomenological three…

核理论 · 物理学 2009-11-02 Isaac Vidana , Constanca Providencia , Artur Polls , Arnau Rios

Thanks to J.~Schwinger, the process of elastic scattering of neutrons by nuclei is known to depend on the interference between a nuclear amplitude and an electromagnetic one for small scattering angles, resulting in spin asymmetries of a…

核理论 · 物理学 2019-12-04 Andrei V. Afanasev , D. V. Karlovets , V. G. Serbo

We review a variety of theoretical and experimental investigations aimed at improving our knowledge of the nuclear matter equation of state. Of particular interest are nuclear matter extreme states in terms of density and/or isospin…

核理论 · 物理学 2015-05-18 Francesca Sammarruca

Background: Nuclear pasta matter, emerging due to the competition between the long-range Coulomb force and the short-range strong force, is believed to be present in astrophysical scenarios, such as neutron stars and core-collapse…

核理论 · 物理学 2020-05-27 B. Schuetrumpf , G. Martínez-Pinedo , P. -G. Reinhard

Correlations between low-lying electric dipole (E1) strength and neutron skin thickness are systematically investigated with the fully self-consistent random-phase approximation using the Skyrme energy functionals. The presence of strong…

核理论 · 物理学 2014-09-17 Tsunenori Inakura , Takashi Nakatsukasa , Kazuhiro Yabana

We review and extend with nonrelativistic nuclear mean field calculations a previous study of the impact of the nuclear symmetry energy on the structure and composition of the outer crust of nonaccreting neutron stars. First, we develop a…

核理论 · 物理学 2011-09-16 X. Roca-Maza , J. Piekarewicz , T. Garcia-Galvez , M. Centelles

Effects of the density dependence of the nuclear symmetry energy on ground-state properties of superheavy nuclei are studied in the relativistic mean-field theory. It is found that the softening of the symmetry energy plays an important…

核理论 · 物理学 2010-04-14 Wei-Zhou Jiang

We study the finite temperature Hartree-Fock-BCS approximation for selected stable Sn nuclei with zero-range Skyrme forces. Hartree Fock BCS approximation allows for a straightforward interpretation of the results since it involves u and…

核理论 · 物理学 2014-11-03 E. Yüksel , E. Khan , K. Bozkurt , G. Colò

The density profiles of around 750 nuclei are analyzed using the Skyrme energy density functional theory. Among them, more than 350 nuclei are found to be deformed. In addition to rather standard properties of the density, we report a…

核理论 · 物理学 2015-06-17 G. Scamps , D. Lacroix , G. G. Adamian , N. V. Antonenko

Nuclear collective motion provides valuable constraint on the size of neutron-skin thickness and the properties of nuclear matter symmetry energy. By employing relativistic nuclear energy density functional (RNEDF) and covariance analysis…

核理论 · 物理学 2015-06-18 Nils Paar , Andrea Horvat