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Exotic nuclei produced by heavy-ions induced fission |
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| Authors: | M -G Porquet I Deloncle A Minkova A N Wilson B J P Gall F Hoellinger N Schulz T Kutsarova T Venkova H Sergolle J Duprat F Azaiez S Bouneau C Bourgeois C Gautherin R Lucas |
| Institution: | 1. CSNSM, 91405, Orsay, France 4. IReS, 67037, Strasbourg Cedex, France 5. INRNE, 1784, Sofia, Bulgaria 6. IPN, 91406, Orsay, France 7. CEA Saclay, 91191, Gif sur Yvette, France |
| Abstract: | About thirty nuclei in theA≈100 mass region have been produced as fission fragments following the fusion-evaporation reactions28,30Si+176Yb at 145 MeV bombarding energy. These nuclei have been individually identified from their γ-ray cascades detected with the Eurogam2 array. The level schemes of several stable or neutron-rich nuclei have been extended to higher spins. From cross coincidences between transitions in complementary fragments, γ-rays de-exciting high-spin states of new isotopes can be identified and some aspects of the fission mechanism can be analyzed. |
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