Radiation Protection Dosimetry Advance Access published online on May 22, 2007
Radiation Protection Dosimetry, doi:10.1093/rpd/ncm098
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ELECTRONIC PERSONAL NEUTRON DOSEMETERS FOR HIGH ENERGIES: MEASUREMENTS, NEW DEVELOPMENTS AND FURTHER NEEDS
Physikalisch-Technische Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany
E-mail: marlies.luszik-bhadra{at}ptb.de
The results of measurements with neutron energies up to 60 MeV are shown for the personal neutron dosemeters Thermo Electron EPD-N2, ALOKA PDM-313 and the PTB prototype dosemeter DOS-2002. All dosemeters show dose equivalent responses that are about a factor of 10, too high at 60 MeV. A new prototype dosemetercalled DOS-2005consisting of a detector with a thin effective layer of 6 µm has been set up at PTB. The dose equivalent response of this dosemeter and that of the newly developed dosemeter SAPHYDOSE-N was measured up to 19 MeV. Both dosemeters indicate a more flat response at high neutron energies. Further needsoptimisations, measurements and calculationsfor use at high-energy accelerators and in space are discussed.
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