Study of the isospin character of 1-states using hadronic probes at intermediate energies
1 Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
2 Kernfysisch Versneller Instituut, University of Groningen, 9747 AA Groningen, The Netherlands
3 GANIL, CEA/DSM-CNRS/IN2P3, 14076 Caen, France
4 ExtreMe Matter Institute EMMI and Research Division, GSI, 64291 Darmstadt, Germany
5 Frankfurt Institute for Advanced Studies FIAS, 60438 Frankfurt am Main, Germany
a e-mail: email@example.com
Published online: 28 May 2015
The complementary (γ, γ′) and (α, α′γ) reactions were used to study the isospin properties of low-lying E1 excitations in the doubly-magic nucleus 48Ca. In contrast to heavier nuclei, a state-to-state change in isospin character was revealed in 48Ca and a dominant isoscalar excitation was found which is interpreted as an isoscalar oscillation. Recently, protons at 80 MeV were used as an additional hadronic probe in a p-γ coincidence experiment on 140Ce for the first time. Results of the experiments on 48Ca and first results of the 140Ce will be presented in this contribution.
© Owned by the authors, published by EDP Sciences, 2015
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