Title: Quadrupole collective inertia in nuclear fission: cranking approximation

Details Title: Quadrupole collective inertia in nuclear fission: cranking approximation Title: Quadrupole collective inertia in nuclear fission: cranking approximation

2010-07-21

arxiv.org/abs/1007.3763v1

Physics

Nuclear Physics

Nuclear Theory

9 pages, RevTeX, 4 figures

Scientific paper

Collective mass tensor derived from the cranking approximation to the adiabatic time-dependent Hartree-Fock-Bogoliubov (ATDHFB) approach is compared with that obtained in the Gaussian Overlap Approximation (GOA) to the generator coordinate method. Illustrative calculations are carried out for one-dimensional quadrupole fission pathways in 256Fm. It is shown that the collective mass exhibits strong variations with the quadrupole collective coordinate. These variations are related to the changes in the intrinsic shell structure. The differences between collective inertia obtained in cranking and perturbative cranking approximations to ATDHFB, and within GOA, are discussed.

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