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Evidence for the ground-state resonance of 26O |
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| Authors: | Lunderberg E DeYoung P A Kohley Z Attanayake H Baumann T Bazin D Christian G Divaratne D Grimes S M Haagsma A Finck J E Frank N Luther B Mosby S Nagi T Peaslee G F Schiller A Snyder J Spyrou A Strongman M J Thoennessen M |
| Affiliation: | Department of Physics, Hope College, Holland, Michigan 49423, USA. |
| Abstract: | Evidence for the ground state of the neutron-unbound nucleus (26)O was observed for the first time in the single proton-knockout reaction from a 82 MeV/u (27)F beam. Neutrons were measured in coincidence with (24)O fragments. (26)O was determined to be unbound by 150(-150)(+50) keV from the observation of low-energy neutrons. This result agrees with recent shell-model calculations based on microscopic two- and three-nucleon forces. |
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