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Title: An Empirical Method for deriving RBE values associated with Electrons, Photons and Radionuclides

Abstract

There is substantial evidence to justify using relative biological effectiveness (RBE) values greater than one for low-energy electrons and photons. But, in the field of radiation protection, radiation associated with low linear energy transfer (LET) has been assigned a radiation weighting factor w R of one. This value may be suitable for radiation protection but, for risk considerations, it is important to evaluate the potential elevated biological effectiveness of radiation to improve the quality of risk estimates. RBE values between 2 and 3 for tritium are implied by several experimental measurements. Additionally, elevated RBE values have been found for other similar low-energy radiation sources. In this work, RBE values are derived for electrons based upon the fractional deposition of absorbed dose of energies less than a few keV. Using this empirical method, RBE values were also derived for monoenergetic photons and 1070 radionuclides from ICRP Publication 107 for which photons and electrons are the primary emissions.

Authors:
 [1];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Radiation Protection Knowledge
  2. Office for Regulatory Innovation and Assistance (ORIA) and Environmental Protection Agency (EPA), Washington, DC (United States). Center for Science and Technology, Radiation Protection Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE; USEPA
OSTI Identifier:
1185724
Grant/Contract Number:
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Radiation Protection Dosimetry
Additional Journal Information:
Journal Volume: 167; Journal Issue: 4; Journal ID: ISSN 0144-8420
Publisher:
Oxford University Press
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 61 RADIATION PROTECTION AND DOSIMETRY

Citation Formats

Bellamy, Michael B, Puskin, J., Eckerman, Keith F., and Hertel, Nolan. An Empirical Method for deriving RBE values associated with Electrons, Photons and Radionuclides. United States: N. p., 2015. Web. doi:10.1093/rpd/ncu358.
Bellamy, Michael B, Puskin, J., Eckerman, Keith F., & Hertel, Nolan. An Empirical Method for deriving RBE values associated with Electrons, Photons and Radionuclides. United States. doi:10.1093/rpd/ncu358.
Bellamy, Michael B, Puskin, J., Eckerman, Keith F., and Hertel, Nolan. Thu . "An Empirical Method for deriving RBE values associated with Electrons, Photons and Radionuclides". United States. doi:10.1093/rpd/ncu358. https://www.osti.gov/servlets/purl/1185724.
@article{osti_1185724,
title = {An Empirical Method for deriving RBE values associated with Electrons, Photons and Radionuclides},
author = {Bellamy, Michael B and Puskin, J. and Eckerman, Keith F. and Hertel, Nolan},
abstractNote = {There is substantial evidence to justify using relative biological effectiveness (RBE) values greater than one for low-energy electrons and photons. But, in the field of radiation protection, radiation associated with low linear energy transfer (LET) has been assigned a radiation weighting factor wR of one. This value may be suitable for radiation protection but, for risk considerations, it is important to evaluate the potential elevated biological effectiveness of radiation to improve the quality of risk estimates. RBE values between 2 and 3 for tritium are implied by several experimental measurements. Additionally, elevated RBE values have been found for other similar low-energy radiation sources. In this work, RBE values are derived for electrons based upon the fractional deposition of absorbed dose of energies less than a few keV. Using this empirical method, RBE values were also derived for monoenergetic photons and 1070 radionuclides from ICRP Publication 107 for which photons and electrons are the primary emissions.},
doi = {10.1093/rpd/ncu358},
journal = {Radiation Protection Dosimetry},
number = 4,
volume = 167,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 2015},
month = {Thu Jan 01 00:00:00 EST 2015}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 2 works
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