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<b>Abstract</b>— <p>We present the results of a quantitative study of inaccuracies in beam delivery by a proton therapy system, which were used to determine the planned amount of irradiation. A technique for measuring and analyzing the physical parameters of a proton beam is described. Calculated is the minimum deviation from the clinical treatment volume required to ensure its coverage with the prescribed dose, taking into account beam delivery errors by a proton therapy system; sufficiency of the calculated deviation is assessed. The results of the study make it possible to optimize the determination of the planned irradiation amount in proton therapy.</p>

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Experimental Study and Quantitative Analysis of the Stability of Physical Parameters of the Scanning Beam Delivery System in a Proton Therapy Facility

  • 期刊论文

  • 发表日期：

    2025年8月11日

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  • V. A. Kiselev,
  • A. P. Chernyaev,
  • Yu. D. Udalov,
  • M. A. Belikhin,
  • A. M. Demidova,
  • S. E. Gritsenko

摘要

Abstract—

We present the results of a quantitative study of inaccuracies in beam delivery by a proton therapy system, which were used to determine the planned amount of irradiation. A technique for measuring and analyzing the physical parameters of a proton beam is described. Calculated is the minimum deviation from the clinical treatment volume required to ensure its coverage with the prescribed dose, taking into account beam delivery errors by a proton therapy system; sufficiency of the calculated deviation is assessed. The results of the study make it possible to optimize the determination of the planned irradiation amount in proton therapy.