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Evolution from spherical single-particle structure to stable triaxiality at high spins in Nd140
- Petrache, CM;
- Fantuzi, M;
- LoBianco, G;
- Mengoni, D;
- Neusser-Neffgen, A;
- Hübel, H;
- Al-Khatib, A;
- Bringel, P;
- Bürger, A;
- Nenoff, N;
- Schönwasser, G;
- Singh, AK;
- Ragnarsson, I;
- Hagemann, GB;
- Herskind, B;
- Jensen, DR;
- Sletten, G;
- Fallon, P;
- Görgen, A;
- Bednarczyk, P;
- Curien, D;
- Gangopadhyay, G;
- Korichi, A;
- Lopez-Martens, A;
- Rao, BVT;
- Reddy, TS;
- Singh, Nirmal
Published Web Location
https://doi.org/10.1103/physrevc.72.064318Abstract
The level structure of 60140Nd80 has been established up to spin 48 by in-beam γ-ray spectroscopy by use of the Zr96(Ca48, 4n) reaction. High-fold γ-ray coincidences were measured with the EUROBALL spectrometer. Twelve new rotational bands have been discovered at high spins. They are interpreted as being formed in a deep triaxial minimum at ɛ2≈0.25 and γ≈35°. Possible configurations are assigned to the observed bands on the basis of configuration-dependent cranked Nilsson-Strutinsky calculations.
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