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From fission to multifragmentation and back

Abstract : Multifragmentation, defined as the decay of a highly excited nuclear source into more than two fragments, is generally considered in the nuclear physics community as a completely different phenomenon than nuclear fission, and tentatively interpreted as the finite system counterpart of the nuclear matter liquid-gas phase transition. Recent theoretical developements on phase transitions with non-saturating long-range interactions allow to revisit the simple picture of fragmentation as a condensation phenomenon, and new connections with the phenomenology of hot fission can be advanced. The generic existence of a fission channel in the nuclear phase diagram will be sketched in the framework of a simple exactly solvable model, and connections to experimental data will be given.
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Submitted on : Thursday, January 21, 2010 - 4:57:18 PM
Last modification on : Tuesday, February 19, 2019 - 10:08:05 AM



F. Gulminelli, G. Lehaut. From fission to multifragmentation and back. 15th Workshop on Nuclear Physics "Marie and Pierre Curie" - 70 years of Nuclear Fission, Sep 2008, Kazimierz Dolny, Poland. pp.1022-1027, ⟨10.1142/S021830130901318X⟩. ⟨in2p3-00449461⟩



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