Shape coexistence study in 44 Ca
M. LucianiDipartimento di Fisica, Università degli Studi di Milano, Milano, Italy, INFN, Sezione di MilanoS. BottoniDipartimento di Fisica, Università degli Studi di Milano, Milano, Italy, INFN, Sezione di MilanoS. LeoniDipartimento di Fisica, Università degli Studi di Milano, Milano, Italy, INFN, Sezione di MilanoN. Cieplicka-OryńczakInstitute of Nuclear Physics - PANB. FornalInstitute of Nuclear Physics - PANL. IskraInstitute of Nuclear Physics - PANC. MichelagnoliM. JentschelU. KösterP. MuttiN. MărgineanIFIN-HHR. MărgineanIFIN-HHC. MihaiIFIN-HHS. PascuIFIN-HHC. A. UrELI-NP
2026en
ABI
Abstract
Four experiments were conducted at the Institut Laue Langevin (ILL) to investigate the shape coexistence phenomenon in the Ca nuclei. A thermal neutron beam supplied by the ILL reactor was used to populate 42,43,44,45 Ca isotopes by neutron-capture reactions. The FIPPS array, deployed in two different configurations, was used to detect gamma rays. This article discusses preliminary results on 44 Ca, and the search for shape coexistence in this isotope. In the present experiment, the decay scheme of 44 Ca has been substantially expanded with 20 new levels and 280 new γ-ray transitions.
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