Concept explainers
Saturation ionization current
Answer to Problem 9.22P
Saturation ionization current is
Explanation of Solution
Given:
The rate of alpha from source,
Kinetic Energy of the alpha particle emitted from 210Po,
The density of air,
Window density thickness,
Wall is at 1 cm from source,
Density thickness of air,
Mean energy loss per ion-pair,
Formula used:
The range (in cm) of air, Ra, at 0°C and 760 mm Hg
Where, E is maximum energy of alpha.
Ionization current
Calculation:
The range (in cm) of air, Ra, at 0°C and 760 mm Hg
The range of alpha in areal density,
Alpha must pass through air and window.
Alpha particle remaining kinetic energy,
Ionization current
Conclusion:
Saturation ionization current is
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Chapter 9 Solutions
Introduction To Health Physics
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