1. 4/2003 Rev 2 I.2.3 – slide 1 of 15 Session I.2.3 Part I Review of Fundamentals Module 2Basic Physics and Mathematics Used in Radiation Protection Session 3Particles and Photons IAEA Post Graduate Educational Course Radiation Protection and Safe Use of Radiation Sources

2. 4/2003 Rev 2 I.2.3 – slide 2 of 15  In this session we will discuss accelerated charged particles and x-rays  We will discuss the mechanisms for the production of Bremsstrahlung and Characteristic X-rays Overview

3. 4/2003 Rev 2 I.2.3 – slide 3 of 15 Accelerated Particles

4. 4/2003 Rev 2 I.2.3 – slide 4 of 15 Bremsstrahlung

5. 4/2003 Rev 2 I.2.3 – slide 5 of 15 Bremsstrahlung

6. 4/2003 Rev 2 I.2.3 – slide 6 of 15 X-Ray Unit

7. 4/2003 Rev 2 I.2.3 – slide 7 of 15 Diagnostic Medical X-Ray Unit

8. 4/2003 Rev 2 I.2.3 – slide 8 of 15 Characteristic Radiation incident electron vacancy created electron transition x-ray emitted

9. 4/2003 Rev 2 I.2.3 – slide 9 of 15 Characteristic Radiation w M N L K

10. 4/2003 Rev 2 I.2.3 – slide 10 of 15 Polyenergetic vs Monoenergetic X-Rays Energy Polyenergetic E1E1E1E1 E6E6E6E6 E7E7E7E7 E8E8E8E8 E9E9E9E9 E 10 E 11 E 12 E 13 E 14 E2E2E2E2 E3E3E3E3 E4E4E4E4 E5E5E5E5 E max

11. 4/2003 Rev 2 I.2.3 – slide 11 of 15 missing due to filtration Energy Polyenergetic E1E1E1E1 E6E6E6E6 E7E7E7E7 E8E8E8E8 E9E9E9E9 E 10 E 11 E 12 E 13 E 14 E2E2E2E2 E3E3E3E3 E4E4E4E4 E5E5E5E5 Polyenergetic vs Monoenergetic X-Rays

12. 4/2003 Rev 2 I.2.3 – slide 12 of 15 Energy Polyenergetic E1E1E1E1 E6E6E6E6 E7E7E7E7 E8E8E8E8 E9E9E9E9 E 10 E 11 E 12 E 13 E 14 E2E2E2E2 E3E3E3E3 E4E4E4E4 E5E5E5E5 Monoenergetic E eff Polyenergetic vs Monoenergetic X-Rays

13. 4/2003 Rev 2 I.2.3 – slide 13 of 15 Characteristic Radiation

14. 4/2003 Rev 2 I.2.3 – slide 14 of 15 Characteristic Radiation w M N L K

15. 4/2003 Rev 2 I.2.3 – slide 15 of 15 Where to Get More Information  Cember, H., Introduction to Health Physics, 3 rd Edition, McGraw-Hill, New York (2000)  Firestone, R.B., Baglin, C.M., Frank-Chu, S.Y., Eds., Table of Isotopes (8 th Edition, 1999 update), Wiley, New York (1999)  International Atomic Energy Agency, The Safe Use of Radiation Sources, Training Course Series No. 6, IAEA, Vienna (1995)