标题： 形变核中穿越单粒子亚稳态时质子衰变的时间相关性质 显示英文标题

标题： Time-dependent properties of proton decay from crossing single-particle metastable states in deformed nuclei

摘要： 通过对含时薛定谔方程的数值求解，开展了对亚稳态通过各向异性、不可分离的二维势垒的量子隧道衰变的动力学研究。在变形的Woods-Saxon单粒子模型框架内选择了初始准稳定质子态。研究了对应于真能级和准能级交叉的两组态的衰变，并计算了它们在交叉点附近作为核变形函数的衰变性质演化。结果显示，研究变形核中亚稳态质子衰变可以明确区分两种类型的交叉，并确定所涉及的核态结构。 显示英文摘要

摘要： A dynamical study of the decay of a metastable state by quantum tunneling through an anisotropic, non separable, two-dimensional potential barrier is performed by the numerical solution of the time-dependent Schrodinger equation. Initial quasi- stationary 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 levels-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.