EXPERIMENTAL VALIDATION OF LOW-INTENSITY BEAM EXTRACTION MODE FOR PROTON IMAGING AT THE PROMETHEUS SYNCHROTRON
https://doi.org/10.56304/S2079562924050415
EDN: BUCJPK
Abstract
The work is devoted to the dosimetric studies of an ultra-low intensity proton beam for the implementation of proton radiography on the proton therapy complex Prometeus. In contrast to therapy, radiography using proton beams requires low particle fluxes, less than 1 ⋅ 106 protons/(s ⋅ cm2). The controlled uniform extraction of beams of such intensity at therapeutic accelerators is a significant challenge, and it requires the development of innovative approaches. This study is part of a series of studies on the Russian medical proton synchrotron for implementing the extraction of ultra-low intensity beams. The paper presents data on the key parameter of the extracted beam – the absorbed dose – when performing radiographic plans with a scanning beam. It also provides a quantitative analysis based on computer simulation of the spatial characteristics of proton images obtained using the extracted beam parameters.
About the Authors
A. A. Pryanichnikov
P-Cure Ltd./Inc.
Russian Federation
Russian Federation
A. E. Shemyakov
Laboratory of Radiation Biophysics and Biomedical Technologies, Lebedev Physical Institute of the Russian Academy of Sciences;
Physical-Technical Center, Lebedev Physical Institute of the Russian Academy of Sciences
Russian Federation
Russian Federation
M. A. Belikhin
Laboratory of Radiation Biophysics and Biomedical Technologies, Lebedev Physical Institute of the Russian Academy of Sciences;
Physical-Technical Center, Lebedev Physical Institute of the Russian Academy of Sciences;
Department of Accelerator Physics and Radiation Medicine, Faculty of Physics, M.V. Lomonosov Moscow State University
Russian Federation
Russian Federation
P. B. Zhogolev
Physical-Technical Center, Lebedev Physical Institute of the Russian Academy of Sciences
Russian Federation
Russian Federation
I. N. Zavestovskaya
Laboratory of Radiation Biophysics and Biomedical Technologies, Lebedev Physical Institute of the Russian Academy of Sciences
Russian Federation
Russian Federation
A. P. Chernyaev
Department of Accelerator Physics and Radiation Medicine, Faculty of Physics, M.V. Lomonosov Moscow State University
Russian Federation
Russian Federation
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Review
For citations:
Pryanichnikov A.A., Shemyakov A.E., Belikhin M.A., Zhogolev P.B., Zavestovskaya I.N., Chernyaev A.P. EXPERIMENTAL VALIDATION OF LOW-INTENSITY BEAM EXTRACTION MODE FOR PROTON IMAGING AT THE PROMETHEUS SYNCHROTRON. Nuclear Physics and Engineering. 2025;16(3):388-394. (In Russ.) https://doi.org/10.56304/S2079562924050415. EDN: BUCJPK
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