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Coulomb excitation of $^{68}$Ni at safe energies

Abstract : The $B(E2;0^+\to2^+)$ value in $^{68}$Ni has been measured using Coulomb excitation at safe energies. The $^{68}$Ni radioactive beam was post-accelerated at the ISOLDE facility (CERN) to 2.9 MeV/u. The emitted $\gamma$ rays were detected by the MINIBALL detector array. A kinematic particle reconstruction was performed in order to increase the measured c.m. angular range of the excitation cross section. The obtained value of 2.8$\pm$1.0 10$^2$ e$^2$fm$^4$ is in good agreement with the value measured at intermediate energy Coulomb excitation, confirming the low transition probability.
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Submitted on : Tuesday, March 25, 2008 - 4:00:52 PM
Last modification on : Monday, November 16, 2020 - 12:54:04 PM

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N. Bree, I. Stefanescu, P.A. Butler, J. Cederkäll, T. Davinson, et al.. Coulomb excitation of $^{68}$Ni at safe energies. Physical Review C, American Physical Society, 2008, 78, pp.047301. ⟨10.1103/PhysRevC.78.047301⟩. ⟨in2p3-00266844⟩



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