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Radiation Protection Dosimetry Advance Access originally published online on January 8, 2009
Radiation Protection Dosimetry 2008 132(3):283-296; doi:10.1093/rpd/ncn306
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© The Author 2008. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Characterisation of three high-energy photon and fast neutron reference radiation fields

R. Behrens* and S. Röttger

Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany

* Corresponding author: Rolf.Behrens{at}PTB.de

Received September 25, 2008, amended November 18, 2008, accepted November 20, 2008

Three reference radiation fields for the purpose of radiation protection were characterised: (1) radiation field R-F, consisting of photons in the energy range of about 6 and 7 MeV and a small neutron contamination; (2) radiation field R-C, consisting of photons with energies of about 4.4 MeV and neutrons with energies up to 2.65 MeV; (3) radiation field R-CF, consisting of photons in the energy range of about 1 and 7 MeV and neutrons with energies about 1.5 MeV. The radiation fields R-F and R-C have previously been defined in the ISO standard 4037. Their neutron components, however, have never been described accurately in the past. The new radiation field R-CF is proposed for the first time. This radiation field can, e.g., be used to calibrate tissue-equivalent proportional counters instruments for measurements at flight altitudes.


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S. Rottger, A. Heiske, and R. Nolte
Investigation of the neutron contribution in the 6 MeV to 7 MeV high energy photon reference field
Radiat Prot Dosimetry, July 1, 2009; 135(3): 162 - 168.
[Abstract] [Full Text] [PDF]


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