Measurement of the Intensity Distribution of a Hard X-Ray Radiation Source

被引：0

作者：

Subbotin, A. N. ^{[1
]}

Pluzyan, K. G. ^{[1
]}

Potapin, V. I. ^{[1
]}

Kalutskii, A. V. ^{[1
]}

Balandin, A. V. ^{[1
]}

Valekzhanina, V. I. ^{[1
]}

Gorodnov, A. A. ^{[1
]}

Ivanov, M. I. ^{[1
]}

Arkhipov, A. Yu. ^{[1
]}

机构：

[1] All Russian Sci Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607188, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2019年 / 82卷 / 08期

关键词：

X-ray radiography; radiography; penumbral aperture; X-ray source; point spread function; parametric model of measurements; betatron;

D O I：

10.1134/S1063778819080143

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The procedure of measurement of the brightness distribution of the hard X-ray source of the MIB-7.5 betatron with a penumbral aperture is detailed (i.e., a measurement algorithm and a calculation model are proposed). This measurement method involves reconstructing the brightness distribution of a source based on the radiation distribution in the penumbral region of a large circular collimator. The influence of the penumbral aperture diameter on the signal-to-noise ratio in the distribution of the source brightness is estimated. A parametric model of formation of the source X-ray pattern is presented. This model is based on a priori information on the measurement setting and the brightness distribution of the radiation source.

引用

页码：1106 / 1112

页数：7

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