Lifetime measurements in 134Pr and Chirality in nuclei
- D., Tonev
- P., Petkov
- D. L., Balabanski
- G., DE ANGELIS
- A., Gadea
- D. R., Napoli
- N., Marginean
- A., Dewald
- P., Pejovic
- A., Fitzler
- O., Moller
- K. O., Zell
- S., Brant
- S., Frauendorf
- D., Bazzacco
- Lenzi, SILVIA MONICA
- Lunardi, Santo
- P., Bednarczyk
- D., Curien
- C., Petrache
- Q., Zhong
- Y. H., Zhang
- J. Y., Zhang
DOIAbstract
Lifetimes of exited states in 134Pr were measured be means of the recoil distance Doppler-shift and Doppler-shift attenuation techniques. The experiments were performed at IReS, Strasbourg using the EUROBALL IV spectrometer, in conjunction with the inner BGO ball and the Cologne coincidence plunger apparatus. Exited states in 134Pr were populated in the fusion-evaporation reaction 119Sn(19F, 4n)134Pr. Reduced transition probabilities in 134Pr are compared to the predictions of the two quasiparticle+triaxial rotor and interacting boson fermion-fermion models. The experimental results do not support the presence of static chirality in 134Pr underlying the importance of shape fluctuations. Only within a dynamical context the presence of intrin...
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