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We present a systematic study on the structural properties of odd-$Z$ superheavy nuclei with proton numbers $Z=117, 119$, and neutron numbers $N$ increasing from $N=170$ to the neutron dripline within the framework of axially deformed…

Nuclear Theory · Physics 2024-08-07 Y. X. Zhang , B. R. Liu , K. Y. Zhang , J. M. Yao

Magicity, or shell closure, plays an important role in our understanding of complex nuclear phenomena. In this work, we employ one of the state-of-the-art density functional theories, the deformed relativistic Hartree-Bogoliubov theory in…

Nuclear Theory · Physics 2023-09-18 Ru-You Zheng , Xiang-Xiang Sun , Guo-fang Shen , Li-Sheng Geng

Available experimental neutron skin thicknesses of even-even stable Ca, Ni, Sn, Pb, and Cd isotopes are evaluated, and separate trends of neutron skin thickness versus relative neutron excess $\delta=(N-Z)/A$ are firstly observed for…

Nuclear Theory · Physics 2021-09-09 J. T. Zhang , X. L. Tu , P. Sarriguren , K. Yue , Q. Zeng , Z. Y. Sun , M. Wang , Y. H. Zhang , X. H. Zhou , Yu. A. Litvinov

The neutron skin thickness $\Delta r_{np}$ in heavy nuclei has been known as one of the most sensitive terrestrial probes of the nuclear symmetry energy around $\frac{2}{3}$ of the saturation density $\rho_0$ of nuclear matter. Existing…

Nuclear Theory · Physics 2020-10-21 Jun Xu , Wen-Jie Xie , Bao-An Li

The accurate characterization of the nuclear symmetry energy and its density dependence is one of the outstanding open problems in nuclear physics. A promising nuclear observable in order to constrain the density dependence of the symmetry…

Nuclear Theory · Physics 2012-02-15 X. Roca-Maza , M. Brenna , M. Centelles , G. Colo' , K. Mizuyama , G. Pozzi , X. Viñas , M. Warda

Nuclear deformations and density profiles of neutron-rich even-even Zr isotopes are investigated using the Skyrme-Hartree-Fock-Bogoliubov method. Large quadrupole and hexadecapole deformations are predicted along with large enhancement of…

Nuclear Theory · Physics 2023-05-10 W. Horiuchi , T. Inakura , S. Michimasa , M. Tanaka

The density dependence of the symmetry energy around saturation density, characterized by the slope parameter L, is studied using information provided by the neutron skin thickness in finite nuclei. An estimate for L is obtained from…

Nuclear Theory · Physics 2014-03-03 X. Viñas , M. Centelles , X. Roca-Maza , M. Warda

We analyze the neutron skin thickness in finite nuclei with the droplet model and effective nuclear interactions. The ratio of the bulk symmetry energy J to the so-called surface stiffness coefficient Q has in the droplet model a prominent…

Nuclear Theory · Physics 2009-09-01 M. Warda , X. Vinas , X. Roca-Maza , M. Centelles

The exotic even-even isotopic chains from Z=32 to Z=38 are investigated by means of the relativistic Hartree-Bogoliubov (RHB) approach with the explicit Density Dependent Meson-Exchange (DD-ME2) and Density Dependent Point-Coupling (DD-PC1)…

Nuclear Theory · Physics 2021-02-24 M. El Adri , M. Oulne

Nuclear many-body theory is used to study nuclear matter and finite nuclei at extreme isospin. In-medium interactions in asymmetric nuclear matter are obtained from (Dirac-) Brueckner theory. Neutron skin formation in Ni and Sn isotopes is…

Nuclear Theory · Physics 2009-11-06 H. Lenske , F. Hofmann , C. M. Keil

A systematic study of the central depletion of proton density has been performed in the isotonic chains of nuclei with neutron numbers $N = 20$ and $28$ using different variants of the relativistic mean-field (RMF) models. These models…

Nuclear Theory · Physics 2019-05-22 G. Saxena , M. Kumawat , B. K. Agrawal , Mamta Aggarwal

The deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) has been proved one of the best models to probe the exotic structures in deformed nuclei. In DRHBc, the potentials and densities are expressed in terms of the…

Nuclear Theory · Physics 2020-01-29 Cong Pan , Kaiyuan Zhang , Shuangquan Zhang

We studied the charge radius ($r_{c}$), neutron radius ($r_n$), and neutron skin-thickness ($\Delta r=r_n-r_p$) over a chain of isotopes from C to Zr with the stable region to the neutron drip line. Theoretical calculations are done with…

Nuclear Theory · Physics 2020-11-03 Usuf Rahaman , M. Ikram , M. Imran , Anisul Ain Usmani

Neutron skin thickness ($\Delta r_{\rm np}$) of nuclei and the inferred nuclear symmetry energy are of critical importance to nuclear physics and astrophysics. It is traditionally measured by nuclear processes with significant theoretical…

Nuclear Theory · Physics 2022-01-07 Hao-jie Xu , Hanlin Li , Ying Zhou , Xiaobao Wang , Jie Zhao , Lie-Wen Chen , Fuqiang Wang

In this theoretical study, we establish a correlation between the neutron skin thickness and the nuclear symmetry energy for the even$-$even isotopes of Fe, Ni, Zn, Ge, Se and Kr within the framework of the axially deformed self-consistent…

Nuclear Theory · Physics 2018-02-28 M. Bhuyan , B. V. Carlson , S. K. Patra , Shan-Gui Zhou

Nuclear masses ranging from O to Ti isotopes are systematically investigated with relativistic continuum Hartree-Bogoliubov (RCHB) theory, which can provide a proper treatment of pairing correlations in the presence of the continuum. From O…

The location of the neutron drip line, currently known for only the lightest elements, remains a fundamental question in nuclear physics. Its description is a challenge for microscopic nuclear energy density functionals, as it must take…

Nuclear Theory · Physics 2021-04-07 Eun Jin In , Youngman Kim , Panagiota Papakonstantinou , Seung-Woo Hong

The nuclear charge radius provides a fundamental probe of nuclear structure, yet experimental data remain rare in the actinide region. Using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) with the PC-PK1…

Nuclear Theory · Physics 2026-03-10 Ting-Ting Sun , Qi Zhang , Peng Wang , Zi-Dan Huang , Shuang-Quan Zhang

The formation of $\alpha$-particle clusters on the surface of heavy nuclei is described in a generalized relativistic mean-field model with explicit cluster degrees of freedom. The effects on the size of the neutron skin of Sn nuclei and…

Nuclear Theory · Physics 2015-06-19 Stefan Typel