WNM`25

Session

Session 5

13 mai 2025, 14:10

bat. 100, Salle de Conseils (IJCLab, Orsay)

19. Shape coexistence effects in medium mass nuclei within a beyond-mean-field approach

Alexandrina Petrovici (IFIN-HH)

13/05/2025 14:10

Coexistence phenomena in proton-rich medium mass nuclei bring insights into fundamental symmetries and interactions. The exotic behavior of these nuclei manifested by drastic changes in structure with excitation energy, occurrence of isomeric states, and their complex decay are strongly influenced by shape coexistence and mixing.
Neutron-rich A≃100 nuclei display a large variety of shape...

33. Selected cases of nuclear moments in the region of 100Sn

Andrey Blazhev (IKP, University of Cologne)

13/05/2025 14:40

In the regions of doubly-magic nuclei certain states (e.g. isomers) have rather pure single-particle or two-particle(hole) configurations and provide unique opportunity to study different observables. On the other hand particle-hole excitations or configuration mixing can modify the values expected from simple models. Therefore, the study of nuclear electromagnetic moments is of particular...

23. Search for ns to μs isomers in 73Zn

Gilbert DUCHENE (IPHC - CNRS - UNISTRA)

13/05/2025 15:00

(for the collaboration around experiment e680)
The spectroscopy of the neutron rich N=41-49 Zn isotopes was performed using AGATA coupled to VAMOS++ at GANIL. The isotopes were produced using the 238U(@6.2 MeV/u) + 9Be fusion-fission reaction. The gamma rays were detected in AGATA and the light fission fragments were selected in VAMOS++. As Zn is the lower Z chemical element for which...

11. Using alpha-transfer reactions to populate new radioactive isotopes with radioactive beams

Diego Torres (Universidad Nacional de Colombia)

13/05/2025 15:20

Alpha-transfer reactions have emerged as a powerful tool for studying excited states in radioactive nuclei, particularly for investigating nuclear species near the stability line that are challenging to produce with sufficient intensity at current radioactive beam facilities. This experimental approach has proven invaluable for characterizing nuclear electric and magnetic moments, validating...

18. Quadrupole moments from measurements in condensed matter: The “missing link” cases Cd, Sn, Pb

Prof. Heinz Haas (CERN)

13/05/2025 15:40

In order to determine reliable values for nuclear quadrupole moments (Q) from experiments accurate theoretical calculations of the electric-field gradients (EFG) acting at the nuclear site are needed. Though considerable progress in calculating the EFG in condensed matter has been made with density-functional methods (DFT), it has been become more and more evident over the years that this...