论文标题
偏振质子自旋滤波器，用于基于动态核极化的热核极化，使用光启用的三重旋转
Polarized proton spin filter for epithermal neutron based on dynamic nuclear polarization using photo-excited triplet electron spins
论文作者
论文摘要
对于\ textColor {black} {$> 0.1 $ ev}的能级的中子极化，我们使用光激发的三重态电子旋转开发了一种基于动态核极化的新型极化质子自旋滤波器。旋转过滤器由萘型萘和戊烯掺杂的单个晶体组成，其大小为$ \ phi15 \ times4 $ $ {\ rm mm}^3 $，允许它覆盖宽光束直径。它以0.35 t的速度运行，在90 k处进行。我们使用Riken Accelerator驱动的紧凑型中子源成功地在能量范围内偏振中子$ 0.1-10 $ EV。质子和中子极化的平均值分别为$ 0.250 \ pm0.050 $和$ 0.076 \ pm0.015 $。
For the polarization of neutrons with an energy level of \textcolor{black}{$>0.1$ eV}, we developed a novel polarized proton spin filter based on dynamic nuclear polarization using photo-excited triplet electron spins. The spin filter consists of a single crystal of naphthalene doped with deuterated pentacene and has a size of $\phi15\times4$ ${\rm mm}^3$, allowing it to cover a wide beam diameter. It was operated in 0.35 T and at 90 K. We succeeded in polarizing neutrons in the energy range $0.1-10$ eV using a RIKEN accelerator-driven compact neutron source. The averaged values of the proton and neutron polarization were $0.250\pm0.050$ and $0.076\pm0.015$, respectively.
