Electron scattering as a probe of surface properties and proton shell structure of unstable nuclei by Dr. Xavier Roca-Maza

Friday 8 Mar 2013, 13:30 → 15:00 Asia/Tokyo

RIBF Coference Hall (RIKEN)

RIBF Nuclear Physics Seminar 160th Title:Electron scattering as a probe of surface properties and proton shell structure of unstable nuclei Lecturer:Dr. Xavier Roca-Maza, Dipartimento di Fisica, Universit`a degli Studi di Milano Abstract: Dirac partial-wave calculations for elastic electron scattering by stable and exotic nuclei, calculated with charge densities predicted by modern Energy Density Functionals are presented [1,2]. The Z = 50 and 82 isotopic chains as well as the N = 14, 20, 50 and 82 isotonic chains are investigated in detail from the neutron deficient to the neutron rich side. The change of the electric charge form factor along an isotopic chain shows a clear correlation with the surface properties of the electromagnetic charge distribution. Along an isotonic chain, the variation of the electric charge form factor is found to be strongly correlated with the underlying proton shell structure of the isotones. Therefore, elastic electron scattering experiments can provide valuable information about the surface properties, filling order and occupation of the single-particle levels of protons. References [1] Theoretical study of elastic electron scattering off stable and exotic nuclei X. Roca-Maza, M. Centelles, F. Salvat, and X. Vi~nas, Phys. Rev. C 78, 044332 (2008). [2] Electron scattering in isotonic chains as a probe of the proton shell structure of unstable nuclei X. Roca-Maza, M. Centelles, F. Salvat, and X. Vi~nas, Phys. Rev. C 87, 014304 (2013).