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Study on correction factor of synchrotron radiation X-ray free air ionization chamber composite loss

机译:同步辐射X射线自由空气电离室复合损耗校正因子的研究

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At the 4W1B test station of the Synchrotron Radiation Source in Beijing, the composite loss correction factor of the free-radiation ionization chamber of the synchrotron radiation was measured by the 12KeV single-energy X-ray obtained from the twin crystal. The corresponding free air ionization chamber and the traditional method for measuring the composite loss correction factor are introduced. Under the condition of voltage saturation, the method of changing the thickness of the absorption sheet is used to change the dose rate and calculate the composite loss correction factor. The result is shown in The corrected share of the selected 2400V operating voltage is 1.000000048.
机译:在北京同步辐射源的4W1B测试站,通过从双晶获得的12KeV单能X射线测量了同步加速器辐射的自由辐射电离室的复合损耗校正因子。介绍了相应的自由空气电离室和测量复合损耗校正因子的传统方法。在电压饱和的情况下,采用改变吸收片厚度的方法来改变剂量率并计算复合损耗校正因子。结果显示在所选2400V工作电压的校正份额为1.000000048中。

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