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

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We study the effects of higher-order deformations $\beta_\lambda$ ($\lambda=4,6,8,$ and $10$) on the ground state properties of superheavy nuclei (SHN) near the doubly magic deformed nucleus $^{270}$Hs by using the…

Nuclear Theory · Physics 2021-11-16 Xiao-Qian Wang , Xiang-Xiang Sun , Shan-Gui Zhou

The Circumnuclear Disk (CND) is a torus of dust and molecular gas rotating about the galactic centre and extending from approximately 1.6pc to 7pc from the central massive black hole, SgrA*. Large Velocity Gradient modelling of the…

Astrophysics of Galaxies · Physics 2015-06-17 Ian L Smith , Mark Wardle

In this work, we identify a unique and novel feature of central density depletion in both proton and neutron named as doubly bubble nuclei in 50$\leq$Z(N)$\leq$82 region. The major role of 2d-3s single-particle (s.p.) states in the…

Nuclear Theory · Physics 2020-10-20 M. Kumawat , G. Saxena , M. Kaushik , S. K. Jain , J. K. Deegwal , Mamta Aggarwal

The newly observed isomer and ground-state band in the odd-Z neutron-rich rare-earth nucleus $^{163}$Eu are investigated by using the cranked shell model (CSM) with pairing treated by the particle-number conserving (PNC) method. This is the…

Nuclear Theory · Physics 2019-06-18 Xiao-Tao He , Ze-Long Chen

Theoretical studies indicate that the superheavy neutron-rich nucleus $^{266}_{\ 82}$Pb$_{184}$ is doubly magic and at the neutron drip line. While its density distributions and single-particle energies have been computed, the structure of…

Nuclear Theory · Physics 2025-08-22 Francesca Bonaiti , Gaute Hagen , Thomas Papenbrock

We present a near-IR, mainly H band, photometry of 72 nearby disk galaxies. The main goal of the survey was to search for isophotal twist inside their nuclear regions. As the twist can be due in some cases to projection effects, rather than…

Astrophysics · Physics 2009-10-30 Bruno Jungwiert , Francoise Combes , David J. Axon

Recent progress in the applications of covariant density functional theory (CDFT) to the description of the spectroscopy of the heaviest nuclei is reviewed. The analysis of quasiparticle spectra in actinides and the heaviest A ~ 250 nuclei…

Nuclear Theory · Physics 2011-09-30 A. V. Afanasjev , H. Abusara , E. Litvinova , P. Ring

The Galactic Center black hole and the nuclear star cluster are surrounded by a clumpy ring of gas and dust (the circumnuclear disk, CND) that rotates about them at a standoff distance of ~1.5 pc. The mass and density of individual clumps…

Astrophysics of Galaxies · Physics 2022-08-17 Thibaut Paumard , Anna Ciurlo , Mark R. Morris , Tuan Do , Andrea M. Ghez

In this work we outline a program for lattice QCD that would provide a first step toward understanding the strong and weak interactions of strange baryons. The study of hypernuclear physics has provided a significant amount of information…

Nuclear Theory · Physics 2014-11-18 S. R. Beane , P. F. Bedaque , A. Parreno , M. J. Savage

Examples of the change of neutron shell-structure in both weakly-bound and resonant neutron one-particle levels in nuclei towards the neutron drip line are exhibited. It is shown that the shell-structure change due to the weak binding may…

Nuclear Theory · Physics 2010-05-07 Ikuko Hamamoto

Neutrinoless double beta-decay(DBD) is of current interest in high-sensitivity frontiers of particle physics. The decay is very sensitive to Majorana neutrinos masses, neutrino CP phases, right-handed weak interactions and others, which are…

Nuclear Experiment · Physics 2020-12-14 Hiroyasu Ejiri

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

The cranked relativistic Hartree+Bogoliubov theory has been applied for a systematic study of the nuclei around 254No, the heaviest elements for which detailed spectroscopic data are available. The deformation, rotational response, pairing…

Nuclear Theory · Physics 2009-11-10 A. V. Afanasjev , T. L. Khoo , S. Frauendorf , G. A. Lalazissis , I. Ahmad

A systematic investigation of the yrast superdeformed (SD) rotational bands in even-even nuclei of the $A\sim 190$ mass region has been performed within the framework of the cranked relativistic Hartree-Bogoliubov theory. The particle-hole…

Nuclear Theory · Physics 2017-08-23 A. V. Afanasjev , P. Ring

The shell structure of superheavy nuclei is investigated within various parametrizations of relativistic and nonrelativistic nuclear mean field models. The heaviest known even-even nucleus 264Hs is used as a benchmark to estimate the…

Nuclear Theory · Physics 2008-11-26 K. Rutz , M. Bender , T. Buervenich , T. Schilling , P. -G. Reinhard , J. A. Maruhn , W. Greiner

The 1$_{11}$-1$_{01}$ lines of ortho and para--NH$_2$D (o/p-NH$_2$D), respectively at 86 and 110 GHz, are commonly observed to provide constraints on the deuterium fractionation in the interstellar medium. In cold regions, the hyperfine…

Astrophysics of Galaxies · Physics 2016-01-27 F. Daniel , L. H. Coudert , A. Punanova , J. Harju , A. Faure , E. Roueff , O. Sipilä , P. Caselli , R. Güsten , A. Pon , J. E. Pineda

The recent observation of NGC 1068 by the IceCube Neutrino Observatory has opened a new window to neutrino physics with astrophysical baselines. In this Letter, we propose a new method to probe the nature of neutrino masses using these…

High Energy Astrophysical Phenomena · Physics 2024-04-08 Kiara Carloni , Ivan Martinez-Soler , Carlos A. Arguelles , K. S. Babu , P. S. Bhupal Dev

Protons and neutrons in the atomic nucleus move in shells analogous to the electronic shell structures of atoms. Nuclear shell structure varies across the nuclear landscape due to changes of the nuclear mean field with the number of…

In rapid-proton capture (rp-process), N=Z nuclei above Ni are understood to act as waiting-point nuclei. The N=Z nuclei 68Se, 72Kr, 76Sr and 80Zr among others are known to give rise to a large-energy x-ray flux and peaks in abundances of…

Nuclear Theory · Physics 2015-05-20 M. M. Sharma , J. K. Sharma

The Cd puzzle implies that the phonon excitation of a spherical nucleus should be questioned and refuted. For understanding this spherical-like $\gamma$-soft mode newly found experimentally, a possible answer was proposed recently in the…

Nuclear Theory · Physics 2024-09-04 Tao Wang , Xin Chen , Yu Zhang