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