JINR加速器复合体极化^3He ^{++}离子源方案
Proposal of Polarized ^3He^{++} Ion Source for JINR Accelerator Complex
摘要：
在JINR加速器复合体极化氘源的基础上，利用现有的六极磁铁和低场射频跃迁装置，通过向其射频离解器中注入^3He气体产生亚稳原子，研制了一种JINR加速器复合体极化^3He ^{++}离子源。研究了氦-3原子亚稳态的射频跃迁。非耦合基中的薛定谔方程|在定态的基础上得到了α_e，α_h>和α_e，α_h>.计算机模拟的结果与公布的数据一致。给出了利用氦-3中两种不同频率的弱场跃迁来获得正或负的氦离子极化的可能性。
英文摘要：
It is proposed to develop a source of polarized ^3He^{++} ions for the JINR Accelerator Complex on the basis of its polarized deuteron source by feeding its radio-frequency dissociator with ^3He gas to produce metastable atoms, using an existing sextupole magnet and adding a low-field rf transition units. The radio-frequency transitions of the atomic states of helium-3 in the metastable state are studied. The Schroedinger equations in the uncoupled basis |ψ_e,ψ_h> and also in the basis of stationary states are received. Results of computer simulations agree with published data. The possibility to use two types of the weak field transitions in the helium-3 with different frequencies to get positive or negative values of the helion polarization is shown.
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