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The equivalence of the absorbed dose to water in high energy photon beams

E. STANCU1,2,* , R-P. KAPSCH3, E. S. BADITA1, F. SCARLAT1, A. M. SCARISOREANU1

Affiliation

  1. National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Str., Magurele, Ilfov National Institute for Laser Plasma and Radiation Physics, Romania
  2. Bucharest University, Faculty of Physics, Romania
  3. Physikalisch-Technische Bundesanstalt, Germany

Abstract

A comparison of the dosimetry for high-energy photon beams was carried out between the Phys ikalisch-Technische Bundesanstalt (PTB), Germany, and the STARDOOR Laboratory of the National Institute for Laser, Plasma and Radiation Physics (INFLPR), Romania. The comparison was based on the determination of absorbed dose to water for three beam qualities at PTB. The measurement results, reported as a ratio of the STARDOOR and PTB evaluations of absorbed dose to water, show good agreement (less than 0.5 % deviation). In this work, the degrees of equivalence between PTB and STARDOOR have been calculated and the results are expressed in terms of En-numbers according to ISO 13528:2005..

Keywords

Clinical dosimetry, Radiotherapy, LINAC stability, z-score.

Citation

E. STANCU, R-P. KAPSCH, E. S. BADITA, F. SCARLAT, A. M. SCARISOREANU, The equivalence of the absorbed dose to water in high energy photon beams, Optoelectronics and Advanced Materials - Rapid Communications, 12, 3-4, March-April 2018, pp.237-239 (2018).

Submitted at: Aug. 1, 2017

Accepted at: April 5, 2018