Dosimetry for Radiotherapy

The Working Group 6.21 is engaged in problems related to dosimetry in high-energy photon and electron beams as they are typically applied in external beam radiotherapy.

Among the tasks is the provision of services, as for instance the calibration of dosimeters in terms of absorbed dose to water, but also research aiming at the development or improvement of dose measurement methods for modern radiation therapy.

• Testing, development and improvement of dosemeters and dose measurement procedures

  • Determination of the response of ionization chambers in high-energy radiation fields
  • Development of measurement procedures
    • in small and irregularly shaped radiation fields
    • dosimetry in MR-guided radiotherapy

  • Investigation of novel radiation detectors

• Evaluation and optimization of numerical methods in dosimetry
  • Determination of fundamental data of radiation transport
  • Benchmark experiment for absolute verification of Monte-Carlo simulations of radiation transport

• Dissemination of the unit of absorbed dose to water for photon and electron radiation in the energy range 1 MeV to 25 MeV
  • Operation of a  gamma irradiation facility
  • Operation of three electron accelerators
    
  • Calibration of ionization chambers in terms of absorbed dose to water
  • Carrying-out of reference irradiations
  • Operation of a transfer dosimetry system on the basis of Alanine/ESR
    
  • International cooperation to ensure the conformity of dosimetry
    
  • Key comparisons
    
    

• Quality assurance for clinical dosimetry
  
  • Development of national and international dosimetric codes of practice
    
  • Advice to authorities, industry, research and clinics
  • Quality assurance for metrological checks within ths scope of the MPBetreibV
    
    

• Measurement and calibration capabilities

• Publications (Working Group 6.21)
• Calendar