Challenges in dosimetry of particle beams with ultra-high pulse dose rates

Francesco Romano, Anna Subiel, M McManus, N. D. Lee, Hugo Palmans, R Thomas, Sean McCallum, Giuliana Milluzzo, Marco Borghesi, Aodhan McIlvenny, Hamad Ahmed, G Farabolini, A Gilardi, A Schuller

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
30 Downloads (Pure)


Recent results from pre-clinical studies investigating the so-called FLASH effect
suggest that the ultrahigh pulse dose rates (UHPDR) of this modality reduces normal tissue damage whilst preserving tumour response, when compared with conventional radiotherapy (RT). FLASH-RT is characterized by average dose rates of dozens of Gy/s instead of only a few Gy/min. For some studies, dose rates exceeding hundreds of Gy/s have been used for investigating the tissue response. Moreover, depending on the source of radiation, pulsed beams can be used with low repetition rate and large doses per pulse. Accurate dosimetry of high doserate particle beams is challenging and requires the development of novel dosimetric approaches, complementary to the ones used for conventional radiotherapy. The European Joint Research Project “UHDpulse” will develop a measurement framework, encompassing reference standards traceable to SI units and validated reference methods for dose measurements with UHPDR beams. In this paper, the UHDpulse project will be presented, discussing the dosimetric challenges and showing some first results obtained in experimental campaigns with pulsed electron beams and laser-driven proton beams.
Original languageEnglish
Title of host publicationJournal of Physics: Conference Series
Number of pages6
Publication statusPublished - 16 Oct 2020


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