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Enforced stripping of negative muons from $\mu$He+ ions to stimulate muon-catalyzed fusion by cyclotron resonance acceleration
Progress of Theoretical and Experimental Physics ( IF 3.5 ) Pub Date : 2021-08-19 , DOI: 10.1093/ptep/ptab111
Yoshiharu Mori 1
Affiliation  

The addition (sticking) of a negative muon to an $\alpha$ particle to form a $\mu$He$^+$ ion limits the number of chain reactions in muon-catalyzed fusion (MuCF), making scientific break-even in MuCF difficult. The reduction in the sticking probability by boosting the negative muon stripping using resonance radio-frequency (RF) acceleration of $\mu$He$^+$ ions has been examined with multi-particle tracking simulations. It was found that the stripping efficiency was largely depressed by ion–electron capture processes that have not been considered so far. Improvement of the fusion chain cycles is rather difficult with an RF electric field strength of 50 MV m$^{-1}$ even at a small deuterium/tritium (D/T) gas pressure of approximately 5 atm. However, in the scheme of using spatially localized D/T mixture gas streams, the sticking probability could be reduced almost tenfold even at a large gas density of 100 atm with a modest RF field strength of less than 50 MV m$^{-1}$.

中文翻译:

强制从 $\mu$He+ 离子中剥离负 μ 子,以通过回旋加速共振加速 μ 子催化融合

将负 μ 子添加(粘附)到 $\alpha$ 粒子以形成 $\mu$He$^+$ 离子限制了 μ 子催化聚变 (MuCF) 中链式反应的数量,从而实现了科学收支平衡MuCF 困难。已经通过多粒子跟踪模拟检查了通过使用 $\mu$He$^+$ 离子的共振射频 (RF) 加速来促进负 μ 子剥离来降低粘附概率。结果发现,到目前为止尚未考虑的离子电子捕获过程在很大程度上降低了剥离效率。即使在大约 5 个大气压的小氘/氚 (D/T) 气体压力下,50 MV m$^{-1}$ 的射频电场强度也很难改善聚变链循环。然而,在使用空间局部 D/T 混合气流的方案中,
更新日期:2021-08-19
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