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

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Nowak , K , Wimmer , K , Hellgartner , S , Muecher , D , Bildstein , V , Diriken , J , Elseviers , J , Gaffney , L P , Gernhaeuser , R , Iwanicki , J , Johansen , J G , Huyse , M , Konki , J , Kroell , T , Kruecken , R , Lutter , R , Orlandi , R , Pakarinen , J , Raabe , R , Reiter , P , Roger , T , Schrieder , G , Seidlitz , M , Sorlin , O , Van Duppen , P , Warr , N , De Witte , H & Zielinska , M 2016 , ' Spectroscopy of Ar-46 by the (t, p) two-neutron transfer reaction ' , Physical Review C , vol. 93 , no. 4 , 044335 . https://doi.org/10.1103/PhysRevC.93.044335

Title: Spectroscopy of Ar-46 by the (t, p) two-neutron transfer reaction
Author: Nowak, K.; Wimmer, K.; Hellgartner, S.; Muecher, D.; Bildstein, V.; Diriken, J.; Elseviers, J.; Gaffney, L. P.; Gernhaeuser, R.; Iwanicki, J.; Johansen, J. G.; Huyse, M.; Konki, J.; Kroell, T.; Kruecken, R.; Lutter, R.; Orlandi, R.; Pakarinen, J.; Raabe, R.; Reiter, P.; Roger, T.; Schrieder, G.; Seidlitz, M.; Sorlin, O.; Van Duppen, P.; Warr, N.; De Witte, H.; Zielinska, M.
Contributor organization: Helsinki Institute of Physics
Date: 2016-04-27
Language: eng
Number of pages: 10
Belongs to series: Physical Review C
ISSN: 2469-9985
DOI: https://doi.org/10.1103/PhysRevC.93.044335
URI: http://hdl.handle.net/10138/164554
Abstract: States in the N = 28 nucleus Ar-46 have been studied by a two-neutron transfer reaction at REX-ISOLDE (CERN). A beam of radioactive Ar-44 at an energy of 2.16 AMeV and a tritium-loaded titanium target were used to populate Ar-46 by the H-3(Ar-44, 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 Ar-46 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 J(pi) = 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.
Subject: 114 Physical sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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