Theoretical description of deformed proton emitters: nonadiabatic coupled-channel method

Details Theoretical description of deformed proton emitters: nonadiabatic coupled-channel method Theoretical description of deformed proton emitters: nonadiabatic coupled-channel method

2000-07-18

arxiv.org/abs/nucl-th/0007044v1

Phys.Rev. C62 (2000) 054315

Physics

Nuclear Physics

Nuclear Theory

12 pages including 10 figures

Scientific paper

10.1103/PhysRevC.62.054315

The newly developed nonadiabatic method based on the coupled-channel Schroedinger equation with Gamow states is used to study the phenomenon of proton radioactivity. The new method, adopting the weak coupling regime of the particle-plus-rotor model, allows for the inclusion of excitations in the daughter nucleus. This can lead to rather different predictions for lifetimes and branching ratios as compared to the standard adiabatic approximation corresponding to the strong coupling scheme. Calculations are performed for several experimentally seen, non-spherical nuclei beyond the proton dripline. By comparing theory and experiment, we are able to characterize the angular momentum content of the observed narrow resonance.

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