Coulomb excitation of $^{68}$Ni at safe energies
- Bree, N.
- Stefanescu, I.
- Butler, P.A.
- Cederkäll, J.
- Davinson, T.
- Delahaye, P.
- Eberth, J.
- Fedorov, D.
- Fedosseev, V.N.
- Fraile, L.M.
- Franchoo, S.
- Georgiev, G.
- Gladnishki, K.
- Huyse, M.
- Ivanov, O.
- Iwanicki, J.
- Jolie, J.
- Köster, U.
- Kröll, Th.
- Krücken, R.
- Marsh, B.A.
- Niedermaier, O.
- Reiter, P.
- Scheit, H.
- Schwalm, D.
- Sieber, T.
- Van De Walle, J.
- Van Duppen, P.
- Warr, N.
- Weisshaar, D.
- Wenander, F.
- Zemlyanoy, S.
DOIAbstract
4 pages, 5 figuresThe $B(E2;0^+\to2^+)$ 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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