研究双极化DD-聚变反应的实验装置的优化和初步测试
Optimization and first tests of the experimental setup to investigate the double-polarized DD-fusion reactions
摘要：
研究DD反应，特别是极化反应物的DD反应，有助于更好地理解核天体物理和聚变反应堆中发生的过程。在俄罗斯的PNPI Gatchina，两个偏振束，即氘束和氘束交叉的PolFusion实验能够测量微分截面的角分布，因此，具有10至100 keV的质心能量的两个束的可调节核偏振的不同组合的自旋相关系数。对极化离子源进行了一些改进和微调。用于喷射靶的原子束源也被修改。用10 keV离子束和重水蒸气作靶进行了非极化实验，成功地记录了聚变产物
英文摘要：
The study of DD reactions, especially with polarized reactants, helps for better understanding of the processes taking place in nuclear astrophysics and fusion reactors. At PNPI Gatchina, Russia, the PolFusion experiment with crossing of two polarized beams, i.e. a deuteron and a deuterium beam, is able to measure angular distributions of the differential cross section and, therefore, the spin-correlations coefficients with different combinations of the adjustable nuclear polarization of both beams with a center-of-mass energy between 10 to 100 keV. Some improvements and fine-tuning of the polarized ion source are performed and presented. The atomic beam source for the jet target has been modified as well. An unpolarized experiment with a 10 keV ion beam and heavy water vapor as a target has been carried out with successful registration of the fusion products
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