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Radiological Science Education in the Context of the Nuclear Industry in Ontario Anthony Waker University of Ontario In

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Radiological Science Education in the Context of the Nuclear Industry in Ontario Anthony Waker University of Ontario In

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    10. UOIT’s Nuclear Degree Programs Four year undergraduate degrees Nuclear Engineering (BEng) Energy Systems Engineering (BEng) Health Physics and Radiation Science (BSc) Full-time and Part-time Graduate Degrees MASc in Nuclear Engineering (course + research) MEng in Nuclear Engineering (course + project) Nuclear Specialist Graduate Diplomas (four courses) Future plans Ph.D. (expected March 2010

    13. Graduate Diplomas in Nuclear Technology (G.Dip.) the diploma program offers graduate credentials that complements the M.Eng. degree (4 courses instead of 10) the majority of engineers and scientists hired into the nuclear industry need specialist courses specific to their jobs life-long-learning requires periodic knowledge upgrade/update

    14. Six sub-specialties in Nuclear Technology Fuel, Materials and Chemistry Reactor Systems Operation and Maintenance Safety, Licensing and Regulatory Affairs Health Physics Radiological Applications

    15. Example Nuclear Specialist Graduate Diploma Radiological Applications NUCL 5400G Advanced Radiation Science NUCL 5410G Physics of Radiation Therapy NUCL 5450G Advanced Material Analysis NUCL 5460G Industrial Radiography NUCL 5470G Nuclear Forensic Analysis RADI 4430U Industrial Applications of Radiation Techniques RADI 4440U Radioisotopes and Radiation Machines

    16. UOIT/UNENE Industrial Research Chair in Health Physics and Environmental Safety Dr. Anthony Waker Dr. Edward Waller September 2008

    17. Research Objectives Radiation Measurement in Real-Time (Waker) Radiation Field Modeling (Waller) Radiation Quality and Risk (Waker) Information Management (Waller & Waker)

    18. Real-Time Devices Neutron Gamma Monitoring Multi-element tissue equivalent proportional counter Gas Electron Multiplier Tritium monitoring Ultra thin scintillator and miniature PMT gas detectors

    19. Classical Microdosimetry - principles

    20. TEPCs available at UOIT for neutron monitoring research

    21. METEPC - internal

    22. METEPC - external

    23. Neutron spectra produced at McMaster University Tandetron accelerator 7Li(p, n)7Be reaction is used 7Li solid metal target (Ep)th =1.881 MeV for neutron production Neutron yield increases with the beam energy above the threshold Below threshold 478 keV photons are produced Thick target (thickness > 50 mm) Wide energy spectrum Thin target (thickness 10-15 mm) Narrow energy spectrum Accelerator current capability Produces proton beams of energy up to 2.5 MeV Beam current of up to 400-500 mA.

    24. Lineal energy spectrum

    25. Comparison of Sensitivity of METEPC and TEPC

    26. Radiation Quality and Risk

    27. Modelling DNA Damage Using computer models to calculate single and double strand break yields in DNA

    28. DSB yields for 137Cs, x-rays and tritium beta-particles DSB RBE for x-rays and tritium beta-particles vs 137Cs is ~ 1.2 x-rays and tritium beta-particles are more effective in producing complex DSB than 137Cs (RBE~1.3) x-rays and tritium beta-particles are equally effective in producing the considered DNA damage

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