Population of neutron unbound states via two-proton knockout reactions
N. Frank, T. Baumann, D. Bazin, A. Gade, J.-L. Lecouey, W. A. Peters,, H. Scheit, A. Schiller, M. Thoennessen, J. Brown, P. A. DeYoung, J. E. Finck,, J. Hinnefeld, R. Howes, B. Luther
TL;DR
This study used two-proton knockout reactions to investigate unbound excited states in oxygen isotopes, identifying a new state in 23O but finding no evidence for excited states in 24O.
Contribution
It demonstrates the application of two-proton knockout reactions to explore unbound states in oxygen isotopes, providing new experimental data.
Findings
Observed a 2.79 MeV excited state in 23O.
No conclusive excited states found in 24O.
Supports the use of knockout reactions for unbound state studies.
Abstract
The two-proton knockout reaction 9Be(26Ne,O2p) was used to explore excited unbound states of 23O and 24O. In 23O a state at an excitation energy of 2.79(13) MeV was observed. There was no conclusive evidence for the population of excited states in 24O.
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