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- Title
Search for proton emission of the isomeric 10+ state in 54Ni.
- Authors
Stahl, K.; Wendt, A.; Reiter, P.; Rudolph, D.; Blazhev, A.; Bruyneel, B.; Eberth, J.; Fahlander, C.; Fransen, C.; Golubev, P.; Hess, H.; Hoischen, R.; Holler, A.; Kalkühler, M.; Kotthaus, T.; Lersch, D.; Pascovici, G.; Seidlitz, M.; Siebeck, B.; Taprogge, J.
- Abstract
Several experiments were conducted at the 10 MV Van-de-Graaff tandem accelerator at the Institute of Nuclear Physics, Cologne, to detect proton emission from the isomeric 6457-keV 10 + state in 54 Ni . Excitation functions for two fusion–evaporation reactions were measured to maximise the population of the rare two-neutron evaporation channel from a 56 Ni compound nucleus. The search for delayed proton emission was based on the 28 Si ( 28 Si , 2 n ) 54 Ni reaction at a beam energy of 70 MeV. For this reaction, a cross-section limit for the population of the 10 + state in 54 Ni and its proton-decay branch was determined to be σ < 22 nb.
- Subjects
COLOGNE (Germany); HEAVY ion fusion reactions; PROTONS; NUCLEAR physics
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2020, Vol 56, Issue 1, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/s10050-020-00029-8