~（150）Nd八极振动态的质子非弹性散射（p，p 'g）研究
Investigation of octupole vibrational states in 150Nd via inelastic proton scattering (p,p'g)
摘要：
利用质子与激发宇称态的优良探针$\unit[10.9]{MeV}$的非弹性散射研究了原子核$^{150}\mathrm{Nd}$中的八极振动态。对于第一次在$^{150}\mathrm{Nd}$中，散射质子和$γ$射线被检测到的一致性给出了详细测量分支比的可能性。利用符合技术，计算了10个八极振动态和其它负宇称态的衰变跃迁与yraast带的$B(E1)$比值，并与Alaga规则进行了比较.正宇称和负宇称状态揭示了这个实验进行了比较，相互作用玻色子近似（IBA）计算（SPDF）玻色子空间。计算结果与实验数据吻合得很好，无论是正宇称态还是负宇称态。
英文摘要：
Octupole vibrational states were studied in the nucleus $^{150}\mathrm{Nd}$ via inelastic proton scattering with $\unit[10.9]{MeV}$ protons which are an excellent probe to excite natural parity states. For the first time in $^{150}\mathrm{Nd}$, both the scattered protons and the $γ$ rays were detected in coincidence giving the possibility to measure branching ratios in detail. Using the coincidence technique, the $B(E1)$ ratios of the decaying transitions for 10 octupole vibrational states and other negative-parity states to the yrast band were determined and compared to the Alaga rule. The positive and negative-parity states revealed by this experiment are compared with Interacting Boson Approximation (IBA) calculations performed in the (spdf) boson space. The calculations are found to be in good agreement with the experimental data, both for positive and negative-parity states.
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