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The low-energy isoscalar dipole resonance in spherical nuclei |
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| Authors: | S I Bastrukov A Bonasera M Di Toro A V Sushkov |
| Institution: | 1. Dipartimento di Fisica and Istituto Nazionale di Fisica Nucleare, Sezione di Catania, 57 Corso Italia, I-95129, Catania, Italy 2. Department of Theoretical and Nuclear Physics, Saratov State University, SU-410071, Saratov, USSR 3. Laboratory of Theoretical Physics, JINR, SU-141980, Dubna, USSR |
| Abstract: | It is shown that localization of the low-energy isoscalar 1? strength observed in a recent Groningen experiment may be caused by incompressible flow vibrations with considerable contribution of a solenoidal component. Calculations performed here without free parameters predict the energy of the isoscalar low-energy dipole resonance of the order of 40A ?1/3,Me V. This estimate agrees well with data obtained on 90Zrand 208Pb. |
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