A5100379405- Nuclear physics research studies
- Atomic and Molecular Physics
- Quantum Chromodynamics and Particle Interactions
- Astronomical and nuclear sciences
- Advanced NMR Techniques and Applications
- Rare-earth and actinide compounds
- Nuclear Physics and Applications
- Advanced Chemical Physics Studies
- Astro and Planetary Science
- High-pressure geophysics and materials
- Quantum chaos and dynamical systems
- Scientific Research and Discoveries
- Particle Accelerators and Free-Electron Lasers
- Superconductivity in MgB2 and Alloys
- Energy, Environment, Economic Growth
- Methane Hydrates and Related Phenomena
- Magnetic confinement fusion research
North China Electric Power University
2016-2024
Computer Algorithms for Medicine
2020
Mississippi State University
2019-2020
Institute of Theoretical Physics
2011-2013
Chinese Academy of Sciences
2011-2013
The mass table in the deformed relativistic Hartree-Bogoliubov theory continuum (DRHBc) with PC-PK1 density functional has been established for even-$Z$ nuclei $8\le Z\le120$, extended from previous work even-even [Zhang $\it{et.~al.}$ (DRHBc Mass Table Collaboration), At. Data Nucl. Tables 144, 101488 (2022)]. calculated binding energies, two-nucleon and one-neutron separation root-mean-square (rms) radii of neutron, proton, matter, charge distributions, quadrupole deformations, neutron...
The rotational bands in nuclei with $Z\ensuremath{\approx}100$ are investigated systematically by using a cranked shell model (CSM) the pairing correlations treated particle-number conserving (PNC) method, which blocking effects taken into account exactly. By fitting experimental single-particle spectra these nuclei, new set of Nilsson parameters ($\ensuremath{\kappa}$ and $\ensuremath{\mu}$) deformation (${\ensuremath{\varepsilon}}_{2}$ ${\ensuremath{\varepsilon}}_{4}$) proposed. kinematic...
The recently observed high-spin rotational bands in odd-$A$ nuclei $^{247,249}\mathrm{Cm}$ and $^{249}\mathrm{Cf}$ [Tandel et al., Phys. Rev. C 82, 041301(R) (2010)] are investigated by using the cranked-shell model (CSM) with pairing correlations treated a particle-number conserving (PNC) method which blocking effects taken into account exactly. experimental moments of inertia alignments their variations frequency $\ensuremath{\omega}$ reproduced very well PNC-CSM calculations. By examining...
The kernel ridge regression (KRR) method with Gaussian is used to improve the description of nuclear charge radius by several phenomenological formulae. widely $A^{1/3}$, $N^{1/3}$ and $Z^{1/3}$ formulae, their improved versions considering isospin dependence are adopted as examples. parameters in these six formulae refitted using Levenberg-Marquardt method, which give better results than previous ones. for each nucleus predicted KRR network, trained deviations between experimental...
High-spin rotational bands in rare-earth Er ($Z=68$), Tm ($Z=69$), and Yb ($Z=70$) isotopes are investigated by three different nuclear models. These (i) the cranked relativistic Hartree-Bogoliubov (CRHB) approach with approximate particle number projection means of Lipkin-Nogami (LN) method, (ii) cranking covariant density functional theory (CDFT) pairing correlations treated a shell-model-like (SLAP) or so-called particle-number conserving (PNC) (iii) shell model (CSM) based on Nilsson...
The recently observed possible antimagnetic rotation band in $^{101}\mathrm{Pd}$ is investigated by the cranked shell model with pairing correlations treated a particle-number-conserving method, which blocking effects are taken into account exactly. experimental moments of inertia and reduced $B(E2)$ transition probabilities their variations rotational frequency $\ensuremath{\omega}$ well reproduced. By analyzing dependence occupation probability each Nilsson orbital near Fermi surface...
The rotational properties of the neutron-rich Nd and Sm isotopes with mass number $A\ensuremath{\approx}150$ are systematically investigated by using cranked shell model pairing correlations treated a particle-number conserving method, in which Pauli blocking effects taken into account exactly. two-quasiparticle states even-even excitation energies lower than 2.5 MeV calculated. available data can be well reproduced some possible two- four-quasiparticle isomers also suggested for future...
Abstract The multi-particle states and rotational properties of the two-particle bands in are investigated by cranked shell model with pairing correlations treated particle number conserving method. on top reduction studied theoretically for first time. experimental excitation energies moments inertia reproduced well calculations. Better agreement data is achieved including high-order deformation , which leads to enlarged deformed gaps. An increase these compared ground state band attributed...
Two-quasiparticle bands and low-lying excited high-$K$ four-, six-, eight-quasiparticle in the doubly-odd ${}^{174, 176}$Lu are analyzed by using cranked shell model (CSM) with pairing correlations treated a particle-number conserving (PNC) method, which blocking effects taken into account exactly. The proton neutron Nilsson level schemes for from adjacent odd-$A$ Lu Hf isotopes, adopted to reproduce experimental bandhead energies of one-quasiproton one-quasineutron these nuclei,...
The isoscalar giant monopole resonances (ISGMRs) of hypernuclei , and are investigated using a fully self-consistent Skyrme–Hartree–Fock plus random phase approximation method. Skyrme-type forces, SGII, No.5 SΛΛ1, adopted to describe the nucleon–nucleon, Λ hyperon–nucleon hyperon–Λ hyperon (ΛΛ) interactions, respectively. For given fraction, we find that effects ΛΛ interaction on properties infinite symmetric nuclear matter finite very small. ISGMR strengths shifted high energy region when...
Abstract The particle-number-conserving method based on the cranked shell model is used to investigate antimagnetic rotation band in 104 Pd. experimental moments of inertia and reduced B ( E 2) transition probabilities are reproduced well. J (2) / ratios also discussed. occupation probability each orbital close Fermi surface contribution major total angular momentum alignment as function rotational frequency analyzed. backbending mechanism ground state Pd understood clearly configuration...
The experimentally observed ten rotational bands in 179Re are analyzed with the particle-number conserving method for treating cranked shell model pairing interaction, which blocking effects taken into account exactly. experimental moments of inertia these reproduced quite well by our calculations no free parameter and deformation driving discussed. bandhead energies variation occupation probability each orbital also analyzed.
The rotational bands in the neutron-rich nuclei $^{153--157}\mathrm{Pm}$ are investigated by a particle-number-conserving method. kinematic moments of inertia for one-quasiparticle odd-$A$ Pm isotopes $^{153,155,157}\mathrm{Pm}$ reproduced quite well present calculation. By comparison between experimental and calculated three two-quasiparticle odd-odd $^{154,156}\mathrm{Pm}$, their configurations bandhead spins have been assigned properly. For band $^{154}\mathrm{Pm}$, configuration is as...
The pygmy and giant dipole resonances in proton-rich nuclei 17,18Ne are investigated with a fully self-consistent approach. properties of ground states calculated the Skyrme Hartree–Fock Bardeen–Cooper–Schrieffer approximation to take into account pairing correlation. quasiparticle random phase (QRPA) method is used explore excited states. In calculations SLy5 interaction employed. addition resonances, (PDR) found be located energy region below 10 MeV both 17,18 Ne. strength transition...
In this work, we systematically study the heavy baryonium and dibaryon systems using Bethe-Salpeter equation in ladder instantaneous approximations for kernel. Our results indicate that all systems, specifically $\Lambda_Q\bar{\Lambda}_Q$, $\Xi_Q\bar{\Xi}_Q$, $\Sigma_Q\bar{\Sigma}_Q$, $\Xi'_Q\bar{\Xi}'_Q$, $\Omega_Q\bar{\Omega}_Q$ ($Q=c, b$), can form bound states. Among only $\Xi_Q\Xi_Q$ system with $I=0$ $\Sigma_Q\Sigma_Q$ $I=1$ exist as Additionally, $\Sigma_Q\bar{\Sigma}_Q$ $I=2$ are not...
Abstract We examined the low-lying quadrupole states in Sn isotopes framework of fully self-consistent Hartree-Fock+BCS plus QRPA. focus on effect density-dependence pairing interaction properties state. The SLy5 Skyrme with surface, mixed, and volume pairings is employed calculations, respectively. find that excitation energies corresponding reduced electric transition probabilities first 2 + state are different, given by three interactions. quasiparticle state, two-quasiparticle energy,...
The multi-particle states and rotational properties of two-particle bands in $^{254}$No are investigated by the cranked shell model (CSM) with pairing correlations treated a particle-number conserving (PNC) method. For first time, on top $K^{\pi}=3^+,8^-$ $10^+$ reduction studied theoretically $^{254}$No. experimental excitation energies moments inertia for state reproduced well calculation. Better agreement data achieved including high-order deformation $\varepsilon_{6}$ which leads to...