Non-adiabatic dynamics in 10Be with the microscopic alpha+alpha+N+N model

Details Non-adiabatic dynamics in 10Be with the microscopic alpha+alpha+N+N model Non-adiabatic dynamics in 10Be with the microscopic alpha+alpha+N+N model

2005-08-17

arxiv.org/abs/nucl-th/0508032v4

Phys.Lett. B636 (2006) 293-298

Physics

Nuclear Physics

Nuclear Theory

6 pages, 5 figures

Scientific paper

10.1016/j.physletb.2006.03.063

The alpha+6He low-energy reactions and the structural changes of 10Be in the microscopic alpha+alpha+N+N model are studied by the generalized two-center cluster model with the Kohn-Hulthen-Kato variation method. It is found that, in the inelastic scattering to the alpha+6He(2+) channel, characteristic enhancements are expected as the results of the parity-dependent non-adiabatic dynamics. In the positive parity state, the enhancement originates from the excited eigenstate generated by the radial excitation of the relative motion between two alpha-cores. On the other hand, the enhancement in the negative parity state is induced by the Landau-Zener level-crossing. These non-adiabatic processes are discussed in connection to the formation of the inversion doublet in the compound system of 10Be.

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