Absolute measurement of photon flux using ionization chamber in (6~20) keV synchrotron radiation X‐rays,X-Ray Spectrometry

当前位置： X-MOL 学术 › X-Ray Spectrom. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Absolute measurement of photon flux using ionization chamber in (6~20) keV synchrotron radiation X‐rays
X-Ray Spectrometry ( IF 1.2 ) Pub Date : 2020-04-03 , DOI: 10.1002/xrs.3152
Siming Guo ₁ , Peiwei Wang ₁ , Ji Wang ₁ , Fan Li ₂ , Jinjie Wu ₁ , Jian Zhang ₁

Affiliation

Absolute measurement of photon flux under high‐fluence rate X‐rays was required in photon diagnostics for X‐ray lasers. A free‐air ionization chamber used for the reproducibility of air‐kerma in high‐fluence rate X‐ray was designed, and the monoenergetic X‐rays flux of (6–20) keV were absolutely measured on Beijing Synchrotron Radiation Facility. The energy spectrum of the monoenergetic X‐rays was measured using a silicon drift detector, and the proportion of higher harmonics was determined. The saturation curve, air attenuation correction factor, and composite loss correction factor of the free‐air ionization chamber were obtained experimentally. The air‐kerma rate for the (6~20) keV monoenergetic X‐ray was measured accurately, and the relative combined standard uncertainty of the air‐kerma is 0.61%.

更新日期：2020-04-03

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南

全部期刊列表>>