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Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation
- Source :
- Physics Letters B. 669:19-23
- Publication Year :
- 2008
- Publisher :
- Elsevier BV, 2008.
-
Abstract
- The first 2+ states in 134Ce and 136Nd and the second 2+ state in 136Nd were populated by Coulomb excitation at relativistic energies, and γ-rays were measured using the RISING setup at GSI. For 134Ce an indication of the excitation to the second 2+ state was observed. This experiment performed for the first time Coulomb excitation to second 2+ states with rare isotope beams at relativistic energies. For 136Nd the B ( E 2 ; 2 1 + → 0 + ) , B ( E 2 ; 2 2 + → 0 + ) , and B ( E 2 ; 2 2 + → 2 1 + ) values relative to the previously known B ( E 2 ; 2 1 + → 0 + ) value for 134Ce are determined as 81(10), 11(3) and 180(92) W.u., respectively. The results are discussed in the framework of geometrical models that indicate pronounced γ-softness in these nuclei.
Details
- ISSN :
- 03702693
- Volume :
- 669
- Database :
- OpenAIRE
- Journal :
- Physics Letters B
- Accession number :
- edsair.doi...........b24362f1cb734a4d679d81a82f295e82