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Peer-reviewedCC BY 4.0Journal of Instrumentation

Calibration of a ΔE-E telescope based on CeBr3 scintillator for secondary charged particles measurements in hadron therapy

  • L Gesson
  • J Gross
  • C Mozzi
  • C Reibel
  • Ch Finck
  • S Higueret
  • T.D Le
  • E Traykov
  • J.C Thomas
  • N Arbor
  • M Pullia
  • G Harmant
1 more authors
  • M Vanstalle
Open at sourcePDFDOICite

Abstract

Hadrontherapy is a promising cancer treatment method that offers better dose conformity and reduces damage to healthy tissues compared to conventional radiotherapy. However, one major challenge remaining is the precise characterization of secondary particles generated by nuclear interactions of the primary beam with tissues. Current data on secondary charged particles, such as protons and light ions, remain insufficient, particularly in the clinically relevant energy ranges. This lack of experimental data introduces uncertainties in treatment planning softwares and Monte Carlo calculations, thus compromising the accuracy of dose delivery to the patients. This work consists in the characterization of secondary charged particles generated in hadron therapy using a ΔE-E telescope comprising a CeBr3 crystal scintillator and a plastic scintillator. The calibration and response of this telescope to ions commonly used in clinical settings is presented in this work, highlighting adherence to Birks law for accurate energy measurements. This study is the first to optimize a ΔE-E telescope combining CeBr3 and plastic scintillators specifically for secondary particle detection in hadrontherapy. This represents an important step in the exploitation of the system for nuclear data acquisition, as it enables both the measurement of energy and the discrimination of secondary particles. The objective is to develop a system compatible with clinical use, allowing for the most precise possible comparison with treatment planning software calculations.

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Cite

BibTeXRIS
BibTeX
@article{gesson2026calibration,
  title = {{Calibration of a $\Delta$E-E telescope based on CeBr$_3$ scintillator for secondary charged particles measurements in hadron therapy}},
  author = {L Gesson and J Gross and C Mozzi and C Reibel and Ch Finck and S Higueret and T.D Le and E Traykov and J.C Thomas and N Arbor and M Pullia and G Harmant and M Vanstalle},
  journal = {Journal of Instrumentation},
  year = {2026},
  month = sep,
  doi = {10.1088/1748-0221/21/01/p01037},
  eprint = {2502.05050},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-04968977v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Calibration of a ΔE-E telescope based on CeBr_3 scintillator for secondary charged particles measurements in hadron therapy
AU  - L Gesson
AU  - J Gross
AU  - C Mozzi
AU  - C Reibel
AU  - Ch Finck
AU  - S Higueret
AU  - T.D Le
AU  - E Traykov
AU  - J.C Thomas
AU  - N Arbor
AU  - M Pullia
AU  - G Harmant
AU  - M Vanstalle
PY  - 2026
DA  - 2026/09/30
JO  - Journal of Instrumentation
DO  - 10.1088/1748-0221/21/01/p01037
UR  - https://hal.science/hal-04968977v1
AB  - Hadrontherapy is a promising cancer treatment method that offers better dose conformity and reduces damage to healthy tissues compared to conventional radiotherapy. However, one major challenge remaining is the precise characterization of secondary particles generated by nuclear interactions of the primary beam with tissues. Current data on secondary charged particles, such as protons and light ions, remain insufficient, particularly in the clinically relevant energy ranges. This lack of experimental data introduces uncertainties in treatment planning softwares and Monte Carlo calculations, thus compromising the accuracy of dose delivery to the patients. This work consists in the characterization of secondary charged particles generated in hadron therapy using a ΔE-E telescope comprising a CeBr_3 crystal scintillator and a plastic scintillator. The calibration and response of this telescope to ions commonly used in clinical settings is presented in this work, highlighting adherence to Birks law for accurate energy measurements. This study is the first to optimize a ΔE-E telescope combining CeBr_3 and plastic scintillators specifically for secondary particle detection in hadrontherapy. This represents an important step in the exploitation of the system for nuclear data acquisition, as it enables both the measurement of energy and the discrimination of secondary particles. The objective is to develop a system compatible with clinical use, allowing for the most precise possible comparison with treatment planning software calculations.
SN  - 1748-0221
ER  -