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Seminarium Fizyki Jądra Atomowego

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2022-03-10 (10:15) Calendar icon
dr Rui Han (Uniwersytet w Jyväskylä, Finlandia)

cission configuration in self-consistent calculations with neck constraints

The calculations of the potential-energy surface are essential in theoretical description of the fissionprocess. In the constrained self-consistent approach, the smooth evolution of the nuclear shape is describedfrom the ground state until a very elongated one with a narrow neck. In all microscopic calculations, therupture of the neck at scission is associate with a substantial change of nuclear matter density distribution andrapid energy decrease. It will be showed that there is no discontinuity of the potential-energy surface at scissionwhen multi-constrained calculations are applied with the neck constraint. An early rupture of the neck at lowerquadrupole and octupole moments is discussed as competitive with the conventional fission path. The neckproperties in the scission configuration are also discussed.

Seminarium odbędzie się zdalnie na zoom-ie. Link dostępny od 10.00:
https://us02web.zoom.us/j/81630676206?pwd=TGhheWUwR3lLOFdtd0NFZW1VdnMyZz09

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