Excitation of ground and gamma bands in the 24Mg(α, α')24Mg reaction at 120 MeV |
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Authors: | K Van Der Borg MN Harakeh BS Nilsson |
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Institution: | Kernfysisch Versnetter Instituut, Groningen, the Netherlands;The Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark |
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Abstract: | The cross sections for excitation of the members of the ground state (g.s.) band 0?(g.s.), 2+ (1.37 MeV) and 4+ (4.12 MeV) and the γ-band 2+γ (4.24 MeV), 3γ+(5.24 MeV) and 4γ+(6.01 MeV) in 24Mg have been measured in inelastic α-scattering at Eα = 120 MeV. The excitation of these states are found to be well described by a coupled-channel calculation (CCBA) performed in the framework of the asymmetric rotational model. Two sets of parameters are found to give excellent fits to the data, but in both a direct coupling between the ground state and the 4+ state is found necessary. |
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Keywords: | Nuclear reactions |
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