1998/09/02 by P. Talou, N. Carjan, N. Cârjan +1 · 2 citations
Physics and Astronomy · #Quantum Mechanics and Non-Hermitian Physics #Quantum chaos and dynamical systems #Spectroscopy and Quantum Chemical Studies #nucl-th
paper · pdf · doi:10.1103/physrevc.58.3280
published as Phys.Rev.C58:3280-3285,1998 · 15 pages, 9 figures, submitted to Phys. Rev. C
arxiv created 1998/09/02 · openalex publication_date 1998/12/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
A dynamical study of the decay of a metastable state by quantum tunneling through an anisotropic, nonseparable, two-dimensional potential barrier is performed by the numerical solution of the time-dependent Schr"odinger equation. Initial quasistationary proton states are chosen in the framework of a deformed Woods-Saxon single-particle model. The decay of two sets of states corresponding to true and quasi-level-crossing is studied and the evolution of their decay properties as a function of nuclear deformation is calculated around the crossing point. The results show that the investigation of the proton decay from metastable states in deformed nuclei can unambiguously distinguish between the two types of crossing and determine the structure of the nuclear states involved.