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在DGFRS-2设置中的E-ΔE检测模块.

D Ibadullayev1, A N Polyakov2, YuS Tsyganov2

  • 1Joint Institute for Nuclear Research, 141980, Dubna, Russian Federation; Institute of Nuclear Physics, 050032, Almaty, Kazakhstan; L.N. Gumilyov Eurasian National University, 010000, Astana, Kazakhstan.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
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概括

一个新的E-ΔE探测器系统增强了超重同位素合成. 添加一个偏向的电极稳定了气体探测器.

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科学领域:

  • 核物理 核物理 核物理
  • 重离子物理学 重离子物理学
  • 探测器技术 探测器技术

背景情况:

  • 超重同位素合成对于核物理研究至关重要.
  • 完全聚变反应是制造这些元素的主要方法.
  • 现有的检测系统在高光强度下面面临效率挑战.

研究的目的:

  • 开发和实施一个改进的E-ΔE检测模块用于超重同位素研究.
  • 为了解决实验期间观察到的气体 ΔE 计数效率的下降.
  • 为了使 JINR DC-280 循环仪能够稳定有效地检测蒸发残留物 (ER).

主要方法:

  • 使用一个位置敏感的双面条形探测器 (DSSD).
  • 采用低压酸填充的 ΔE 室.
  • 将额外的负偏向电极引入到 ΔE 探测器中.

主要成果:

  • 新的E-ΔE模块证明了对蒸发残留物 (ER) 的有效检测.
  • 在高光强度 (5-7 pμA) 的气体 ΔE 计数器中观察到注册效率显著下降.
  • 添加一个偏向电极稳定了 ΔE 探测器的运行,提高了整体效率.

结论:

  • 增强的E-ΔE检测模块对于成功合成超重同位素至关重要.
  • 偏向电极解决方案有效地克服了气体探测器的效率限制.
  • 这一进步支持了JINRDC-280旋转机正在进行的研究.