喷气式Z箍缩等离子体装置中离子束能谱的测量
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摘要: 利用新研制的紧凑型汤姆生离子能谱仪(Thomson Ion Energy Analyzer)，对喷气式Z–箍缩等离子体装置中离子能谱进行了测量，在CR-39上得到了清晰的Ar+，Ar2+，Ar3+离子抛物线轨迹，通过分析计算结果表明：离子的最大能量在1MeV左右，离子能谱分布曲线都随其能量增加而单调下降，近似遵循dN/dT/dwμT-2关系。Abstract: The measurement of energy spectra of ion beams from the gas – puff Z – pinch plasma device has been carried out in this study by employing the compact Thomson ion energy analyzer developed recently by us. Clear parabolic tracks of Ar+ , Ar2+, Ar3+ ions on CR-39 plastics and energy spectra of these ions have been obtained. The results show that the maximum ion energy is about 1MeV, ion energy spectrum distributions are expressed approximately by dN / dT /dw T-2.
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Key words:
- energy spectra of ion beams /
- thomson ion energy analyzer
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