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Evolution of the decay modes of 158Yb with spin
- Source :
- Physics Letters B. 119:65-68
- Publication Year :
- 1982
- Publisher :
- Elsevier BV, 1982.
-
Abstract
- The decay of the entry states in 158 Yb populated in the reactions of 149 MeV 20 Ne with 144,146 Nd has been investigated with the Spin Spectrometer gated by a Ge counter. The average excitation energy, the γ -ray spectra and the angular distributions as a function of multiplicity suggest a region of non-collective behavior at low spin. At higher spin collective characteristics are apparent, but between I ≈40 and 49 a strong stretched dipole component is seen. Above I ≈49 no additional dipole transitions are observed. These characteristics are discussed in terms of recent calculations.
Details
- ISSN :
- 03702693
- Volume :
- 119
- Database :
- OpenAIRE
- Journal :
- Physics Letters B
- Accession number :
- edsair.doi...........e8b70e448fb7d083fc3998ee5e090a7c