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Elastic breakup cross sections of well-bound nucleons

Abstract : The 9Be(28Mg,27Na) one-proton removal reaction with a large proton separation energy ofSp(28Mg)=16.79 MeV is studied at intermediate beam energy. Coincidences of the bound 27Naresidues with protons and other light charged particles are measured. These data are analyzed todetermine the percentage contributions to the proton removal cross section from the elastic andinelastic nucleon removal mechanisms. These deduced contributions are compared with the eikonalreaction model predictions and with the previously measured data for reactions involving the re-moval of more weakly-bound protons from lighter nuclei. The role of transitions of the protonbetween different bound single-particle configurations upon the elastic breakup cross section is alsoquantified in this well-bound case. The measured and calculated elastic breakup fractions are foundto be in good agreement.
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Contributor : Michel Lion <>
Submitted on : Tuesday, December 9, 2014 - 9:34:49 AM
Last modification on : Thursday, February 1, 2018 - 1:25:40 AM

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K. Wimmer, Dominique Bazin, A. Gade, J. A. Tostevin, T. Baugher, et al.. Elastic breakup cross sections of well-bound nucleons. Physical Review C, American Physical Society, 2014, 90, pp.064615. ⟨10.1103/PhysRevC.90.064615⟩. ⟨in2p3-01092585⟩



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