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PHYS40422: Applied Nuclear Physics Paul Campbell Room 4.11 Paul.Campbell-3@manchester.ac.uk

PHYS40422: Applied Nuclear Physics Paul Campbell Room 4.11 Paul.Campbell-3@manchester.ac.uk. Interaction of Radiation with Matter Radiation Detection Biological Effects of Radiation Applications of Nuclear Techniques Nuclear Fission REACTORS (past & future) Nuclear Fusion.

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PHYS40422: Applied Nuclear Physics Paul Campbell Room 4.11 Paul.Campbell-3@manchester.ac.uk

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  1. PHYS40422: Applied Nuclear PhysicsPaul CampbellRoom 4.11Paul.Campbell-3@manchester.ac.uk • Interaction of Radiation with Matter • Radiation Detection • Biological Effects of Radiation • Applications of Nuclear Techniques • Nuclear Fission REACTORS (past & future) • Nuclear Fusion http://personalpages.manchester.ac.uk/staff/Paul.Campbell-3/phys40422.htm

  2. 1.7 - 1.8 billion years ago (Proterozoic)… Oklo, Gabon

  3. Trees probably a little optimistic (1.3 – 1.4 billion years before Carboniferous)

  4. Not just uranium depletion though… Cowan, G. A. (1976) Sci. Amer. 235 36 Could it have happened elsewhere – probably yes… Could it happen today – probably not, 235U not 3% nowadays…

  5. 1.8 billion years later, under a squash court in Chicago… Arthur Compton rings James Conant (Chair, NDRC):

  6. 1.8 billion years later, under a squash court in Chicago… Arthur Compton rings James Conant (Chair, NDRC): A.C. The Italian navigator has landed in the New World…

  7. 1.8 billion years later, under a squash court in Chicago… Arthur Compton rings James Conant (Chair, NDRC): A.C. The Italian navigator has landed in the New World… J.C. How were the natives?

  8. 1.8 billion years later, under a squash court in Chicago… Arthur Compton rings James Conant (Chair, NDRC): A.C. The Italian navigator has landed in the New World… J.C. How were the natives? A.C. Very friendly...

  9. 1.8 billion years later, under a squash court in Chicago… Fermi, 2nd Dec 1942 Chicago Pile 1 uranium sheets, graphite blocks, cadmium rods Coolant, shielding? -None

  10. Became CP-2 when moved to Argonne. CP-3 Heavy Water “CP-4” -> EBR 1…

  11. “CP-4” -> EBR 1… Partial core meltdown…

  12. Today and in the future…

  13. The neutron spectrum

  14. What about the waste??

  15. Burn it…

  16. MYRRHA at Mol, Belgium

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