ISSN:
1434-601X
Keywords:
PACS:27.60.+j Properties of specific nuclei listed by mass ranges 90≤A≤149 – 23.20.Lv Gamma transitions and level energies – 23.20.Ck Lifetimes and transition probabilities – 23.20.En Angular distribution and correlation measurements
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract: The results of in-beam investigations of excited states of 99Ru using the 98Mo(α,3n) reaction are presented. Angular distributions of γ–rays and γ–γ coincidences have been measured. Excited states have been identified up to an energy of E = 5603 keV and spin of Iπ= 31/2−. Mean lifetimes τ have been determined using the DSA method for eleven levels. Aligned angular momenta are discussed and the probable (νh 11/2) origin of a backbending at frequency about 0.5 MeV was confirmed. The possible role of (νd 5/2) alignment at frequencies above 0.5 MeV was pointed out.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s100500050303
