Download - NM 4303 PHYSICS AND INSTRUMENTATION CHRISTIAN 7 TH EDITION Chapter 2 Physics of Nuclear Medicine
NM 4303PHYSICS AND INSTRUMENTATION
CHRISTIAN 7TH EDITIONChapter 2Physics of Nuclear Medicine
E = wavelength x frequency
Describe: X & Gamma rays
What are the similarities?
What is the difference?
Sub atomic particlesproton neutron electron
Particle or energy? p p p
symbol P + N O +/- e̵�
mass 1.00759 amu 1.00898 amu 1/1836 or .000549 amu
charge +1 0 -1
function Physical characteristics
(N/P ratio)-Nuclear stability
Chemical properties
Neutron /proton ratio
alpha, beta -/+, gamma decay
Decay by:
Alpha decayBeta Decay + & - ( pair annihilation radiation)Tc99m metastable & transmutationElectron captureGamma emission
ISOTOPES
ISOTONES
ISOBARS
ISOMERS
Decay schemes
What is decay constant?
Decay constant = .693/ half life
1/t eff = 1/tb + 1/tp
Brems x-ray production
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Characteristic X-Ray Production
Auger electron
Define
Electron Capture (EC)
GAMMA EMISSION
Half Value Layer
Interation with Matter
Five names for Simple scatteringThompsonRaleighCoherentUnmodifiedSimple
Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc.
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Simple Scatter
Photoelectric
Compton Scattering
Pair Production
Elsevier items and derived items © 2009 by Mosby, Inc., an affiliate of Elsevier Inc.
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Pair Production
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)