标题： 剪刀模式：第一泛音 显示英文标题

标题： Scissors Modes:The first overtone

摘要： 剪刀模在双转子模型的框架中被预测。 该模型具有固有的谐波谱，因此剪刀模之上的第一泛音的激发能是剪刀模的两倍。 由于后者在稀土区域约为3 MeV，泛音的能量低于核子发射的阈值，其宽度应足够小，使得泛音可以被观测到。 我们发现 $B(E2)\uparrow_{overtone} = {3 /over 64 \theta_0^{2}}B(E2)\uparrow_{scissors}$，其中$\theta_0$是零点振动振幅，在稀土区域约为$ 10^{-1}$。 显示英文摘要

摘要： Scissors modes were predicted in the framework of the Two-Rotor Model. This model has an intrinsic harmonic spectrum, so that the level above the Scissors Mode, the first overtone, has excitation energy twice that of the Scissors Mode. Since the latter is of the order of 3 MeV in the rare earth region, the energy of the overtone is below threshold for nucleon emission, and its width should remain small enough for the overtone to be observable. We find that $B(E2)\uparrow_{overtone} = {3 /over 64 \theta_0^{2}}B(E2)\uparrow_{scissors}$, where $\theta_0$ is the zero-point oscillation amplitude, which in the rare earth region is of order $ 10^{-1}$.