High-spin spectroscopy of 140Nd

R. Leguillon, C. M. Petrache, T. Zerrouki, T. Konstantinopoulos, K. Hauschild, A. Korichi, A. Lopez-Martens, S. Frauendorf, I. Ragnarsson, P. T. Greenlees, U. Jakobsson, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, M. Leino, P. Nieminen, M. Nyman, P. Peura, P. RahkilaP. Ruotsalainen, M. Sandzelius, J. Saren, C. Scholey, J. Sorri, J. Uusitalo, H. Hübel, A. Neußer-Neffgen, A. Al-Khatib, A. Bürger, N. Nenoff, A. K. Singh, D. Curien, G. B. Hagemann, B. Herskind, G. Sletten, P. Fallon, A. Görgen, P. Bednarczyk, D. M. Cullen

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    The population of the high-spin states in 140Nd was investigated using the reaction 96Zr(48Ca,4n). The results from two experiments, one with the EUROBALL array and one with the JUROGAM II+RITU+GREAT setup employing the recoil decay tagging technique, have been combined to develop a very detailed level scheme for 140Nd. Twelve bands of quadrupole transitions and eleven bands of dipole transitions were identified and their connections to low-lying states were established. Calculations using the cranked Nilsson-Strutinsky and the tilted axis cranking models were used to interpret the observed structures. The overall good agreement between the experimental results and the calculations assuming a triaxial shape of the nucleus strongly support the existence of a stable triaxial shape at high spins in this mass region. © 2013 American Physical Society.
    Original languageEnglish
    Article number014323
    JournalPhysical Review C - Nuclear Physics
    Issue number1
    Publication statusPublished - 2013


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