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Related papers: Hyperdeformation in the Cd isotopes: a microscopic…

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Experimentally observed superdeformed (SD) rotational bands in $^{36}$Ar and $^{40}$Ar are studied by the cranked shell model (CSM) with the paring correlations treated by a particle-number-conserving (PNC) method. This is the first time…

Nuclear Theory · Physics 2020-03-10 Xu-Hui Xiang , Xiao-Tao He

With the use of the symmetry-unrestricted cranked Skyrme-Hartree-Fock method in the three-dimensional coordinate-mesh representation, we have carried out a systematic theoretical search for the superdeformed and hyperdeformed rotational…

Nuclear Theory · Physics 2009-11-07 T. Inakura , S. Mizutori , M. Yamagami , K. Matsuyanagi

The microscopically constrained relativistic mean field theory is used to investigate the superdeformation for Pb isotopes. The calculations show that there exists a clear superdeformed minimum in the potential energy surfaces with four…

Nuclear Theory · Physics 2007-05-23 Jian-You Guo , Zong-Qiang Sheng , Xiang-Zheng Fang

To solve the Cd puzzle (spherical nucleus puzzle), I have proposed a new spherical-like $\gamma$-soft nucleus. Since shape coexistence often occurs in such nuclei, explicit spherical-like $\gamma$-soft spectra are not easily identified. In…

Nuclear Theory · Physics 2025-09-10 Tao Wang

M81 and NGC 4579 are two of the few low-luminosity active galactic nuclei which have an estimated mass for the central black hole, detected hard X-ray emission, and detected optical/UV emission. In contrast to the canonical ``big blue…

Astrophysics · Physics 2009-10-31 Eliot Quataert , Tiziana Di Matteo , Ramesh Narayan , Luis C. Ho

We study the properties of the superdeformed (SD) bands of 195Pb and 193Hg by the cranked Hartree-Fock-Bogoliubov method. Our calculations reproduce the flat behavior of the dynamical moment of inertia of two of the SD bands of 195Pb…

Nuclear Theory · Physics 2008-11-26 J. Terasaki , H. Flocard , P. -H. Heenen , P. Bonche

Possible deformed neutron halos in silicon isotopes are investigated from both structure and reaction perspectives using the deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) combined with the Glauber model. The…

Nuclear Theory · Physics 2026-04-03 C. Pan , J. L. An , P. Ring , X. H. Wu , P. Papakonstantinou , M. -H. Mun , Y. Kim , S. S. Zhang , K. Y. Zhang

The magic proton and neutron numbers are searched in the superheavy region with proton number $Z$=100 - 140 and neutron number $N$= ($Z$+30) - (2$Z$+32) by the relativistic continuum Hartree-Bogoliubov (RCHB) theory with interactions NL1,…

Nuclear Theory · Physics 2009-11-10 W. Zhang , J. Meng , S. Q. Zhang , L. S. Geng , H. Toki

The observed baryon asymmetry of the universe (BAU) cannot be explained by the known sources of charge-parity (CP)-violation in the Standard Model (SM). A non-zero permanent electric-dipole-moment (EDM) for fundamental particles, nuclei or…

Nuclear Experiment · Physics 2020-07-29 Prajwal Mohanmurthy , Umesh Silwal , Durga P. Siwakoti , Jeff A. Winger

The direct detection of particle dark matter through its scattering with nucleons is of fundamental importance to understand the nature of DM. In this work, we propose that the high-energy neutrino detectors like IceCube can be used to…

High Energy Astrophysical Phenomena · Physics 2020-10-26 Gang Guo , Yue-Lin Sming Tsai , Meng-Ru Wu

A deformed relativistic Hartree-Bogoliubov theory in continuum has been developed for the study of neutron halos in deformed nuclei and the halo phenomenon in deformed weakly bound nuclei is investigated. Magnesium and neon isotopes are…

Nuclear Theory · Physics 2013-05-16 Lulu Li , Jie Meng , P. Ring , En-Guang Zhao , Shan-Gui Zhou

Odd-even double mass differences (DMD) of magic nuclei are found within the approach starting from the free $NN$ interaction with account for particle-phonon coupling (PC) effects. We consider three PC effects: the phonon induced effective…

Nuclear Theory · Physics 2016-12-28 E. E. Saperstein , M. Baldo , N. V. Gnezdilov , S. V. Tolokonnikov

High-resolution observations show that typically both the dust and the gas in nearby extended protoplanetary disks are structured, possibly related to radial and azimuthal variations in the disk density and/or chemistry. The aim of this…

Earth and Planetary Astrophysics · Physics 2024-05-20 M. Leemker , A. S. Booth , E. F. van Dishoeck , L. Wölfer , B. Dent

We present the results of precision mass measurements of neutron-rich cadmium isotopes. These nuclei approach the $N=82$ closed neutron shell and are important to nuclear structure as they lie near doubly-magic $^{132}$Sn on the chart of…

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

Magnetic dipole bands have been identified in 142,143,144Gd and 141Eu nuclei. The observed bands are based on configurations with small oblate deformation involving high-Omega, h11/2 proton particles and low-Omega, h11/2 neutron holes.…

Nuclear Theory · Physics 2007-05-23 Teresa Rzaca-Urban

The even-even superheavy nuclei with $104 \leqslant Z \leqslant 126$ and $N\leqslant 258$ have been investigated using a microscopic five-dimensional collective Hamiltonian (5DCH) based on constrained triaxial relativistic…

Nuclear Theory · Physics 2026-03-12 X. Q. Yang , R. Y. Hu , R. N. Mao , J. Xiang , Z. P. Li

Within a few parsecs around the central Black Hole Sgr A*, chemistry in the dense molecular cloud material of the circumnuclear disk (CND) can be affected by many energetic phenomena such as high UV-flux from the massive central star…

Deformed states in $^{40}$Ca are investigated with a method of antisymmetrized molecular dynamics. Above the spherical ground state, rotational bands arise from a normal deformation and a superdeformation as well as an oblate deformation.…

Nuclear Theory · Physics 2009-11-11 Y. Kanada-En'yo , M. Kimura

Encouraged with the evidence for Z = 6 magic number in neutron-rich carbon isotopes, we have performed relativistic mean-field plus BCS calculations to investigate ground state properties of entire chains of isotopes(isotones) with Z(N) = 6…

Nuclear Theory · Physics 2018-12-26 M. Kumawat , G. Saxena , M. Kaushik , R. Sharma , S. K. Jain