Effects of shell correction on α decay properties

Abstract

The shell correction effects on the α decay properties of heavy and superheavy nuclei have been studied in a macroscopic-microscopic manner. The macroscopic part is constructed from the generalized liquid drop model (GLDM), whereas the microscopic part, namely, the shell correction energy, brings about certain effects on the potential barriers and half-lives under a WKB approximation, which is emphasized in this work. The results show that the shell effects play a significant role in the estimation of the α decay half-lives within the actinide region. Predictions of the α decay half-lives are then generated for superheavy nuclei, which will provide useful information for future experiments.

Investigation of neutron density distribution of 208Pb nucleus when the proton density is constrained to its experimental distribution

“…The semi-microscopic approach used in this study can successfully reproduce data of the recently discovered superheavy element 294 Og and other Og isotopes, whose accuracy corresponded well with the experimental data [45]. Further, it accurately predicts the masses and deformations for heavy and superheavy nuclei similar to the prevalent microscopic and semi-microscopic models [19,46,47].…”

“…The most notable alternative to the self-consistent method is the semi-microscopic method [40,41] with strutinsky shell-correction [42,43], where the energy of a nucleus is considered to be the sum of its macroscopic and microscopic components. In addition to its simplicity, the semi-microscopic technique is successful in studying the nuclear structure [19,20,[44][45][46][47] anddecay [48]. The semi-microscopic approach used in this study can successfully reproduce data of the recently discovered superheavy element 294 Og and other Og isotopes, whose accuracy corresponded well with the experimental data [45].…”

“…Currently, there are numerous parameterizations of the Skyrme force, which may affect the inferred binding energy and/or neutron density distribution. The effect of the Skyrme force has been evaluated in previous nuclear structure studies, and the results indicated that the force used has a slight influence on the value of the calculated binding energy, while the inferred nuclear deformation is not affected [47,53]. To select one Skyrme force for this study, previous studies were reviewed, and SKM* was selected because its results correspond well with the experimental values.…”

Investigation of the relationship between mirror proton radii and neutron-skin thickness*

“…[74] with 104 MeV α particle scattering ( = 0.17 0.05 fm) and Ref. [75] with pion scattering analyzed using model densities ror nuclei, especially when not considering the Coulomb interaction. To explore the effects of pairing and deformation, we compare the results with the calculations from the SHF model with 128 sets of Skyrme interaction parameters (without HFB9, UNEDF0, UNEDF1, and UN-EDF2).…”

Reviews on Chinese Patents Regarding the Nickel/Metal Hydride Battery

“…Fujian Jinyang (Sanmin, Fujian, China) field Chinese Patents about double-plating [494] and triple-plating [495] Ni on a stainless steel can. Donggang (Wuxi, Jiangsu, China) filed a Chinese Patent on a can with gradual cylinder wall thickness [496]. Hugang Electronics (Zhangjiagang, Jiangsu, China) claimed an electroplating/chemical plating combination method [497].…”