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NM 4303 PHYSICS AND INSTRUMENTATION CHRISTIAN 7 TH EDITION Chapter 2 Physics of Nuclear Medicine.

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Presentation on theme: "NM 4303 PHYSICS AND INSTRUMENTATION CHRISTIAN 7 TH EDITION Chapter 2 Physics of Nuclear Medicine."— Presentation transcript:

1 NM 4303 PHYSICS AND INSTRUMENTATION CHRISTIAN 7 TH EDITION Chapter 2 Physics of Nuclear Medicine

2 E = wavelength x frequency

3 Describe: X & Gamma rays What are the similarities? What is the difference?

4 Sub atomic particles protonneutronelectron Particle or energy?ppp symbolP +N O +/-e̵ mass1.00759 amu1.00898 amu1/1836 or.000549 amu charge+10 functionPhysical characteristics (N/P ratio)-Nuclear stability Chemical properties

5 Neutron /proton ratio

6 alpha, beta -/+, gamma decay

7 Decay by: Alpha decay Beta Decay + & - ( pair annihilation radiation) Tc99m metastable & transmutation Electron capture Gamma emission

8 ISOTOPES ISOTONES ISOBARS ISOMERS

9 Decay schemes

10

11

12

13

14 What is decay constant? Decay constant =.693/ half life

15 1/t eff = 1/t b + 1/t p

16 Brems x-ray production

17 Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 17 Characteristic X-Ray Production

18 Auger electron

19 Define Electron Capture (EC) GAMMA EMISSION

20 Half Value Layer

21 Interation with Matter Five names for Simple scattering Thompson Raleigh Coherent Unmodified Simple

22 Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 22 Simple Scatter

23 Photoelectric

24 Compton Scattering

25 Pair Production

26 Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc. 26 Pair Production

27 End of chapter 2 Take exam one over chapters 1 & 2 (Section I in the NM 4303 module) (make sure you have turned in all of the module homework. ( CIRCLE YOUR ANSWERS)


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