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Gama 能谱仪实验. —— 近代物理实验课程期末报告 赵 猛 083001900 陈迪 08300190013 2012.6. Outline. 原理 内容. 原理. γ 射线 与物质三种效应 —— 光电效应 —— 康普顿散射 —— 电子对效应 γ 能谱仪探头. 内容. 定标. 137 Cs 源测量. 高压 & 全能峰. 质量吸收系数 I / I 0 = e - με n ln I = - με n + ln I 0 ln I = A.n + B

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slide1

Gama能谱仪实验

—— 近代物理实验课程期末报告

赵猛 083001900

陈迪 08300190013

2012.6

slide2
Outline
  • 原理
  • 内容
slide3
原理
  • γ射线 与物质三种效应——光电效应——康普顿散射——电子对效应
  • γ能谱仪探头
slide4
内容
  • 定标
slide7
质量吸收系数
  • I / I0 = e-μεn
  • lnI = -μεn + ln I0
  • lnI = A.n + B
  • μ= --A / ε
slide9
Thanks to

实验中心的老师们长期的教诲与帮助

赵猛 083001900

陈迪 08300190013

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