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

Abstract : Low-spin structures in 86,88Mo were populated using the 58Ni(36Ar, 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 88Mo. Quasiparticle Random Phase Approximation (QRPA) calculations were performed for the first and second excited 2+ states in 86Mo and 88Mo. The results are in qualitative agreement with the experimental results, supporting a collective interpretation of the low-spin states for these transitional nuclei.
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http://hal.in2p3.fr/in2p3-00168353
Contributor : Michel Lion <>
Submitted on : Monday, August 27, 2007 - 4:16:51 PM
Last modification on : Thursday, February 1, 2018 - 1:26:22 AM

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K. Andgren, E. Ganioglu, B. Cederwall, R. Wyss, S. Bhattacharyya, et al.. Low-spin collective behavior in the transitional nuclei 86,88Mo. Physical Review C, American Physical Society, 2007, 76, pp.014307. ⟨10.1103/PhysRevC.76.014307⟩. ⟨in2p3-00168353⟩

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