We discuss an ansatz for Skyrme fields in three dimensions which uses rational maps between Riemann spheres, and produces shell-like structures of polyhedral form. Houghton, Manton and Sutcliffe showed that a single rational map gives good approximations to the minimal energy Skyrmions up to baryon number of order 10. We show how the method can be generalized by using two or more rational maps ...

The isovector and isoscalar components of neutron-proton pairing are investigated in the N=Z unstable nuclei \textit{fp}-shell through two-nucleon transfer reaction (p,$^3$He) inverse kinematics. combination particle gamma-ray detection with radioactive beams $^{56}$Ni $^{52}$Fe, produced by fragmentation at GANIL/LISE facility, made it possible to carry out this study for first time a closed a...

In core–shell nanoparticle analysis, the determination of size distributions different particle parts is often complicated, especially in liquid media. Density matching introduced as a method for analyzing nanoparticles using Analytical Ultracentrifugation (AUC), making it possible to obtain core distribution dispersions. For this approach, density dispersion adjusted shell. Oil filled nanocaps...

Long-slit observations of the blue compact galaxy Haro 2 have been performed around Hα and Hβ. The main aim of these observations was to detect the Hα emission originating in the partially ionized wind outflowing at 200 km/s, that had been previously detected with the Hubble Space Telescope (HST). A shallow broadening of the Hα line wings has been observed, consistent with the existence of an e...

In the framework of spherical geometry for jellium and local spin density approximation, we have obtained the equilibrium rs values, r̄s(N, ζ), of neutral and singly ionized “generic” N -electron clusters for their various spin polarizations, ζ. Our results reveal that r̄s(N, ζ) as a function of ζ behaves differently depending on whether N corresponds to a closed-shell or an openshell cluster. Th...

An extended pairing plus QQ force model, which has been shown to successfully explain the nuclear binding energy and related quantities such as the symmetry energy, is applied to study the alpha-like four-nucleon correlations in 1f7/2 shell nuclei. The double difference of binding energies, which displays a characteristic behavior at N ≈ Z, is interpreted in terms of the alpha-like correlations...

Relativistic calculations of nonradiative transition rates to K, L, and M -shell vacancy statesin Ni-, Cu-, and Zn-like ions with Z=32, 36, 42, 47, 56, 60, 66, 74, 83, and 92 are performed.Auger and Coster-Kronig transition probabilities are calculated using both Dirac-Hartree-Fockand model-potential wave functions. Tabulated data are presented for Kand L-shells Augerrates in Ni...

Long-slit observations of the blue compact galaxy Haro 2 have been performed around Hα and Hβ. The main aim of these observations was to detect the Hα emission originating in the partially ionized wind outflow-ing at 200 km/s, that had been previously detected with the Hubble Space Telescope (HST). A shallow broadening of the Hα line wings has been observed, consistent with the existence of an ...

In this paper, we analyze a few physical characteristics of gravastar with cylindrical geometry in $f(R,T)$ theory, where $R$ is the Ricci scalar and $T$ trace energy-momentum tensor. The generally considered to be substitute black hole three different regions. present work, examine formulation gravastar-like structures theory. By using Darmois Israel matching conditions, formulate mass functio...

Trapa japonica shell contains phenolic compounds such as tannins. Studies regarding the antioxidant and anti-adipogenic effects of Trapa japonica shell cultivated in Korea are still unclear. Antioxidant and anti-adipogenic activities were measured by in vitro assays such as 2,2-diphenyl-1-picrylhydrazy (DPPH) radical scavenging activity, 2,2'-azinobis( 3-ethylbenzothiazoline-6-sulphonic acid) (...