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Spectroscopy of Ar 46 by the (t, p) two-neutron transfer reaction

AutorNowak, K.; Wimmer, K.; Hellgartner, S.; Mücher, D.; Bildstein, V.; Orlandi, R. ; Pakarinen, J.; Raabe, R.; Zielińska, M.
Fecha de publicación27-abr-2016
EditorAmerican Physical Society
CitaciónPhysical Review C - Nuclear Physics 93: 044335 (2016)
ResumenStates in the N=28 nucleus Ar46 have been studied by a two-neutron transfer reaction at REX-ISOLDE (CERN). A beam of radioactive Ar44 at an energy of 2.16 AMeV and a tritium-loaded titanium target were used to populate Ar46 by the H3(Ar44,p) two-neutron transfer reaction. Protons emitted from the target were identified in the T-REX silicon detector array. The excitation energies of states in Ar46 have been reconstructed from the measured angles and energies of recoil protons. Angular distributions for three final states were measured and based on the shape of the differential cross section an excited state at 3695 keV was identified as Jπ=0+. The angular differential cross section for the population of different states are compared to calculations using a reaction model employing both sequential and direct transfer of two neutrons. Results are compared to shell-model calculations using state-of-the-art effective interactions. Published by the American Physical Society
DescripciónK. Nowak et al. ; 10 pags., 12 figs., 1 tab. ; Open Access funded by Creative Commons Atribution Licence 3.0
Versión del editorDOI:https://doi.org/10.1103/PhysRevC.93.044335
Identificadoresdoi: 10.1103/PhysRevC.93.044335
issn: 1089-490X
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