Isospin Symmetry at High Spin Studied via Nucleon Knockout from Isomeric States
- Milne, S.A.
- Bentley, M.A.
- Simpson, E.C.
- Baugher, T.
- Bazin, D.
- Berryman, J.S.
- Bruce, A.M.
- Davies, P. J.
- Diget, C. Aa.
- Gade, A.
- Henry, T.W.
- Iwasaki, H.
- Lemasson, A.
- Lenzi, S.M.
- Mcdaniel, S.
- Napoli, D.R.
- Nichols, A.J.
- Ratkiewicz, A.
- Scruton, L.
- Stroberg, S.R.
- Tostevin, J.A.
- Weisshaar, D.
- Wimmer, K.
- Winkler, R.
DOIAbstract
International audienceOne-neutron knockout reactions have been performed on a beam of radioactive 53Co in a high-spinisomeric state. The analysis is shown to yield a highly selective population of high-spin states in an exoticnucleus with a significant cross section, and hence represents a technique that is applicable to the plannednew generation of fragmentation-based radioactive beam facilities. Additionally, the relative cross sectionsamong the excited states can be predicted to a high level of accuracy when reliable shell-model input isavailable. The work has resulted in a new level scheme, up to the 11þ band-termination state, of the protonrichnucleus 52Co (Z ¼ 27, N ¼ 25). This has in turn enabled a study of mirror energy differences ...
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