The M1 inelastic scattering form factors from 48Ca nucleus have been investigated through nuclear shell theory. The nuclear effective two body interaction fpbm of Richter has been utilized to generate the two body wave vectors with Harmonic oscillator wave function as a single particle wave function in Fp shell model space. Core polarization effect has been used to include the discarded space (core+ higher configuration) via model space with realistic interaction of Skyrme Sly5 to couple the model space active particles with the pair (particle-hole) excited in energy of 2ћω. Calculated results has been compared to available experimental data.
Inelastic transverse magnetic dipole electron scattering formfactors in 48Ca have been investigated through nuclear shell modelin an excited state energy Ex= 10.23 MeV which is so called"mystery case" with different optional choices like effectiveinteraction, restricted occupation and core polarization interaction.40Ca as an inert core will be adopted and four orbits with eightparticles distributed mainly in 2p1f model space and in some extendrestricted to make sure about the major accuse about this type oftransition. Theoretical results have been constituted mainly withexperimental data and compared with some important theoreticalresults of the same transition.
Inelastic longitudinal electron scattering form factors for the excitation of 2 + in 58 Ni nucleus have been studied through nuclear shell model of the (p 3/2 ,p 1/2 ,1f 5/2 ) configurations. Effective transition operators relevant to the model space are derived by considering particle-hole excitation from the core orbits and via the model space orbits into the higher orbits with 2 for C2 transition within the framework of a first-order perturbation theory. Using F5PVH potential as an effective interaction to generate the model space wave function. The simple harmonic oscillator (HO) potential is used to generate the single particle wave functions. Discarded space (core orbits + higher configuration orbits) will be included as a first order correction which is the so called core polarization effect. Modern realistic interaction of the two body Michigan sum of three range Yukawa potential (M3Y-P2) and Gogny have been adopted as a residual interactions to couple the particle-hole pair. The investigated nucleus is considered to be consisting of 56 Ni core nucleus plus extra valence nucleons represented by two neutrons distributed over fp-shell. The obtained theoretical results had been compared with available experimental data.
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