Medical Radiology and Radiation Safety. 2024. Vol. 69. № 2

DOI:10.33266/1024-6177-2024-69-2-65-72

S.M. Rodneva¹, D.V. Guryev^{1, 2}

Theoretical Analysis of the Radiation Quality and the Relative Biological Efficiency of Tritium

¹ A.I. Burnazyan Federal Medical Biophysical Center, Moscow, Russia

² N.N. Semenov Federal Research Center for Chemical Physics, Moscow, Russia

Contact person: Sofya Mikhailovna Rodneva, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

 

CONTENTS

 

Introduction

1. Tritium and reference radiation

1.1 Tritium isotope and its energy spectrum

1.2 Reference radiation

2. Methods for determining the quality of radiation and RBE

2.1 Radiation quality in microdosimetry

2.2 RBE by the number of DNA double-strand breaks

2.3 RBE by fraction of secondary low-energy electrons

3. Analysis of calculations of radiation quality and tritium RBE

3.1 Estimation of tritium emission quality factors

3.2 Evaluation of the RBE of tritium radiation during its action on DNA

3.3 Estimation of the RBE of tritium from the fraction of secondary low-energy electrons

3.4 Quality factors and RBE of tritium with respect to reference emissions

Conclusion

Keywords: ionizing radiation, tritium, electrons, DNA breaks, Monte Carlo simulation, RBE

For citation: Rodneva SM, Guryev DV. Theoretical Analysis of the Radiation Quality and the Relative Biological Efficiency of Tritium. Medical Radiology and Radiation Safety. 2024;69(2):65–72. (In Russian). DOI:10.33266/1024-6177-2024-69-2-65-72

 

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Conflict of interest. The authors declare no conflict of interest.

Financing. The study had no sponsorship.

Contribution. Article was prepared with equal participation of the authors.

Article received: 20.11.2023. Accepted for publication: 27.12.2023.