Spin yields of neutron-rich nuclei from deep inelastic reactions - art. no. 044307

The potential for using deep inelastic reactions to populate high-spin stat es in neutron-rich nuclei is studied in a series of experiments using GAMMA SPHERE for gamma-ray detection and a silicon strip detector for measuring t he angles of projectilelike and targetlike fragments. In three experiments 61 new transitions up to a maximum spin of 22 (h) over bar in 12 neutron-ri ch rare-earth nuclei were found. We observe that gamma-ray yields as a func tion of spin are flatter for all neutron transfer products than for inelast ic excitation of either the projectile or target nucleus. Calculations are presented which indicate that this difference cannot be accounted for by qu asielastic processes, but more likely are the result of larger energy loss processes, such as deep inelastic reactions. [S0556-2813(99)06009-4].