Low-spin collective behavior in the transitional nuclei Mo-86,Mo-88

K. Andgren, E. Ganioglu, B. Cederwall, R. Wyss, S. Bhattacharyya, J. R. Brown, G. de Angelis, G. de France, Zs. Dombradi, J. Gal, B. Hadinia, A. Johnson, F. Johnston-Theasby, A. Jungclaus, A. Khaplanov, J. Kownacki, K. Lagergren, G. La Rana, J. Molnar, R. MoroB. S. Nara Singh, J. Nyberg, M. Sandzelius, J.-N. Scheurer, G. Sletten, D. Sohler, J. Timar, M. Trotta, J. J. Valiente-Dobon, E. Vardaci, R. Wadsworth, S. Williams

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Low-spin structures in Mo-86,Mo-88 were populated using the Ni-58(Ar-36, x alpha yp) heavy-ion fusion-evaporation reaction at a beam energy of 111 MeV. Charged particles and gamma rays were emitted in the reactions and detected by the DIAMANT CsI ball and the EXOGAM Ge array, respectively. In addition to the previously reported low-to-medium spin states in these nuclei, new low-spin structures were observed. Angular correlation and linear polarization measurements were performed in order to unambiguously determine the spins and parities of intensely populated states in Mo-88. Quasiparticle Random Phase Approximation (QRPA) calculations were performed for the first and second excited 2(+) states in Mo-86 and Mo-88. The results are in qualitative agreement with the experimental results, supporting a collective interpretation of the low-spin states for these transitional nuclei.

Original languageEnglish
Article number014307
Pages (from-to)-
Number of pages9
JournalPhysical Review C
Issue number1
Publication statusPublished - Jul 2007


  • MO-90
  • ZR-86
  • MO-88

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