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Calculations Evaluating Several Methods for Reducing the Residual Photon Dose Rate around High-Energy Proton Accelerators
Calculations have been carried out to evaluate several methods for reducing the residual photon dose rate inside an accelerator tunnel due to the activation of the concrete tunnel walls by thermal neutrons from a 3-GeV proton beam located on the axis of an iron cylinder. The reduction of the thermal-neutron production of 24Na in the concrete, obtained by placing cadmium and boron at the surface of the concrete and by adding boron to the concrete, is calculated. The photon dose due to the activation of the concrete is combined with the results from a previous calculation for the dose contributed by the iron to obtain the total photon dose rate inside the tunnel. The calculations were carried out using Monte Carlo methods. (Author)
Calculations Evaluating Several Methods for Reducing the Residual Photon Dose Rate around High-Energy Proton Accelerators
Calculations have been carried out to evaluate several methods for reducing the residual photon dose rate inside an accelerator tunnel due to the activation of the concrete tunnel walls by thermal neutrons from a 3-GeV proton beam located on the axis of an iron cylinder. The reduction of the thermal-neutron production of 24Na in the concrete, obtained by placing cadmium and boron at the surface of the concrete and by adding boron to the concrete, is calculated. The photon dose due to the activation of the concrete is combined with the results from a previous calculation for the dose contributed by the iron to obtain the total photon dose rate inside the tunnel. The calculations were carried out using Monte Carlo methods. (Author)
Calculations Evaluating Several Methods for Reducing the Residual Photon Dose Rate around High-Energy Proton Accelerators
T. W. Armstrong (author) / J. Barish (author)
1969
12 pages
Report
No indication
English
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