Study of the isospin character of 1 - states using hadronic probes at intermediate energies

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 whic...

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Bibliographic Details
Main Authors: Derya, V., Endres, J., Harakeh, M.N., Savran, D., Spieker, M., Wörtche, H.J., Zilges, A.
Format: Conference Proceeding
Language:English
Subjects:
Energy use
Excitation
Nuclei
Nuclei (nuclear physics)
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Summary: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.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/20159301041