Sub-barrier Coulomb excitation of Sn-110 and its implications for the Sn-100 shell closure
- Cederkäll, Joakim
- Ekström, Andreas
- Fahlander, Claes
- Hurst, A. M.
- Hjorth-Jensen, M.
- Ames, F.
- Banu, A.
- Butler, P. A.
- Davinson, T.
- Datta Pramanik, U.
- Eberth, J.
- Franchoo, S.
- Georgiev, G.
- Gorska, M.
- Habs, D.
- Huyse, M.
- Ivanov, O.
- Iwanicki, J.
- Kester, O.
- Koester, U.
- Marsh, B. A.
- Niedermaier, O.
- Nilsson, T.
- Reiter, P.
- Scheit, H.
- Schwalm, D.
- Sieber, T.
- Sletten, G.
- Stefanescu, I.
- de Walle, J. Van
- Van Duppen, P.
- Warr, N.
- Weisshaar, D.
- Wenander, F.
DOIAbstract
The first excited 2(+) state of the unstable isotope Sn-110 has been studied in safe Coulomb excitation at 2.82 MeV/u using the MINIBALL array at the REX-ISOLDE post accelerator at CERN. This is the first measurement of the reduced transition probability of this state using this method for a neutron deficient Sn isotope. The strength of the approach lies in the excellent peak-to-background ratio that is achieved. The extracted reduced transition probability, B(E2 : 0(+) -> 2(+)) 0.220 +/- 0.022e(2) b(2), strengthens the observation of the evolution of the B(E2) values of neutron deficient Sn isotopes that was observed recently in intermediate-energy Coulomb excitation of Sn-108. It implies that the trend of these reduced transition probabil...
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