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


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Abstract

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.

About the authors

A. N. Subbotin

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

K. G. Pluzyan

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Author for correspondence.
Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

V. I. Potapin

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

A. V. Kalutskii

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

A. V. Balandin

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

V. I. Valekzhanina

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

A. A. Gorodnov

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

M. I. Ivanov

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

A. Yu. Arkhipov

Russian Federal Nuclear Center-All-Russian Scientific Research Institute of Experimental Physics

Email: otd4@expd.vniief.ru
Russian Federation, Sarov, 607188

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