Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-06-30
Phys.Rev.Lett.101:142502,2008
Physics
Nuclear Physics
Nuclear Experiment
Scientific paper
10.1103/PhysRevLett.101.142502
The gamma-decay associated with the warm rotation of the superdeformed (SD) nuclei 151Tb and 196Pb has been measured with the EUROBALL IV array. Several independent quantities provide a stringent test of the population and decay dynamics in the SD well. A Monte Carlo simulation of the gamma-decay based on microscopic calculations gives remarkable agreement with the data only assuming a large enhancement of the B(E1) strength at low excitation energy, which may be related to the evidence for octupole vibrations in both mass regions.
Bednarczyk P.
Benzoni G.
Blasi N.
Bracco Andrea
Brambilla S.
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