Rotational damping in a multi-j shell particles-rotor model
Lu Guo, Jie Meng, Enguang Zhao, Fumihiko Sakata
Abstract
The damping of collective rotational motion is investigated by means of particles-rotor model in which the angular momentum coupling is treated exactly and the valence nucleons are in a multi-j shell mean-field. It is found that the onset energy of rotational damping is around 1.1 MeV above yrast line, and the number of states which form rotational band structure is thus limited. The number of calculated rotational bands around 30 at a given angular momentum agrees qualitatively with experimental data. The onset of rotational damping takes place gradually as a function of excitation energy. It is shown that the pairing correlation between valence nucleons has a significant effect on the appearance of rotational damping.
Create a lesson
Related papers
Impact of ab initio E1 strength on neutron capture rates along the nickel isotopic chain
Francesca Bonaiti, Joanna E. Sobczyk
Final-state centrality in relativistic heavy-ion simulations from neural networks
Anibal Bezerra, Fernando G. Gardim
Constrained coupled-cluster computations yield negative-parity rotational bands
Gaute Hagen, Benjamin Bally, Thomas Papenbrock
Levy-shaped femtoscopic sources from an exact solution of relativistic hydrodynamics
Bence Szentkuti, Mate Csanad
Octupole correlations in the excited 0+ states and two-neutron transfers in actinide nuclei
Kosuke Nomura
Macroscopic study of ϕ-mesic nuclei in pp collisions at s = 7 TeV with the PACIAE model
Qiang Wang, Zhi-Lei She, An-Ke Lei et al.