Phys.Rev. C 93, 044333 (2016)

S.Calinescu, L.Caceres, S.Grevy, O.Sorlin, Z.Dombradi, M.Stanoiu, R.Astabatyan, C.Borcea, R.Borcea, M.Bowry, W.Catford, E.Clement, S.Franchoo, R.Garcia, R.Gillibert, I.H.Guerin, I.Kuti, S.Lukyanov, A.Lepailleur, V.Maslov, P.Morfouace, J.Mrazek, F.Negoita, M.Niikura, L.Perrot, Z.Podolyak, C.Petrone, Y.Penionzhkevich, T.Roger, F.Rotaru, D.Sohler, I.Stefan, J.C.Thomas, Z.Vajta, E.Wilson

Coulomb excitation of ⁴⁴Ca and ⁴⁶Ar

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁶Ar, ⁴⁶Ar'), E=38.5 MeV/nucleon; ²⁰⁸Pb(⁴⁴Ca, ⁴⁴Ca'), E=36.8 MeV/nucleon, [⁴⁶Ar and ⁴⁴Ca secondary beams from ⁹Be(⁴⁸Ca, X), E=60 MeV/nucleon primary reaction]; measured scattered particle spectra using double-sided silicon strip detectors (DSSSDs), Eγ, Iγ, (particle)γ-coin, (particle)γ(θ) using Chateau de Cristal array of BaF₂ detectors for γ rays at LISE/GANIL facility. Coulomb excitation. ⁴⁴Ca, ⁴⁶Ar; deduced levels, B(E2) for first 2+ states. Comparison with previous experimental results, and with shell-model calculations using the SDPFU, SDPFMU and SDPFK effective interactions for sd-pf valence space nuclei and NuShellX code. Systematics of experimental and theoretical B(E2) values and phenomenological proton and neutron transition matrix elements for the first 2+ states in ^{36,38,40,42,44,46,48}Ar nuclei.

doi: 10.1103/PhysRevC.93.044333