Dipole states in the deuteron,other exotic nuclei,and “Schrödinger’s Cat” |
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Authors: | M S Hussein C -Y Lin A F R de Toledo Piza |
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Institution: | 1. Center for Theoretical Physics, Laboratory for Nuclear Science, and Department of Physics, Massachussets Institute of Technology, 02139, Cambrige, Massachusetts, USA 3. Instituto de Física, Universidade de S~ao Paulo, CP 66318, 05389-970, S?o Paulo, SP, Brazil
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Abstract: | The question whether the “soft giant dipole modes” in halo nuclei are resonances is discussed. It is argued that a resonance picture of these modes can be envisaged with a non Breit-Wigner line shape. The dipole Coulomb breakup of the deuteron is worked out as a specific example of such a picture. The “soft” and “hard” dipole modes of the more complex neutron-rich exotic nuclei are treated from this point of view. An interpretation of the coherent production of these modes in Coulomb excitation as a nuclear instance of Schrödinger cat state is advanced. |
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