Developed By
Section of Radiochemistry
Institute of Chemistry
Faculty of Mathematics and Natural sciences
University of Oslo
Learning Goals
Understand the principle of neutron activation
Deconvolution of a decay curve with two components
Explanation and Exercise Guide
Theory
Neutron Activation of Ag with a Pu\Be n-source
How to Calculate End-of-Irradiation Yields of Ag-isotopes
Experimental Procedure
Neutron Activation of Ag
How to Measure the Decay of n-activated Silver
Analyzing a Two-component Decay Curve
Analyzing the Production Curve of n-activated Ag
Questions for the Students
Use the cross-sections from the nuclear chart, the half life and a thermal neutron-flux of 2•10
3 n/cm
2s to estimate the relative amount you will produce for a 144 s irradiation. Which nuclei will be dominant?
Determine what kind of gamma radiation to expect from the silver isotopes produced in the irradiation and their associated relative intensity (e.g. from [
Berkeley/Lund database]).
Safety Aspects
Equipment
Need silver disk and a neutron source, or if using RoboLab an internet connection.
Preparation for the lab supervisor
Feedback from Users and Supervisors
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