Genie Gamma Spectroscopy Algorithms Course
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Prerequisites: Familiarity with the basic concepts of radiation detection and measurement, and the VAX/ VMS Spectroscopy Applications and Nuclide Identification software packages is required. Each student is required to supply his own scientific calculator.
Purpose: This course is intended for users who have experience using the Genie gamma spectroscopy software. The course focuses on the data reduction algorithms, not on how to run the software.
Description:
The concepts and methods used in the Genie gamma-ray spectroscopy software
are introduced. Algorithms for the most critical data reduction functions
are discussed. The course features example computations using real data
and is especially valuable for individuals responsible for validating
and verifying Genie spectroscopy systems, or performing quality assurance
functions.
Upon successful completion of this course, the student should be able to explain and replicate the results of the standard software analyses of the VAX/VMS Spectroscopy Applications and Nuclide Identification packages.
Course Content
1. Efficiency Calibration and Calculation
- Cubic spline fit
- Empirical equation fit
- Efficiency calculation
2. Peak Search
- Singlets
- Multiplets
- Fitting singlets to gaussians
- Critical level test
3. Background Subtraction
- Peak-by-peak area subtraction
- Critical level test
- Error propagation
4. Nuclide Identification
- Energy tolerance test
- Decay (half-life ratio) test
- Abundance limit test
- Parent decay correction
- Activity calculation
- Sample deposition correction
- Error propagation
5. Interference Correction
- Interfering/interfered nuclide method
- Matrix method
6. Weighted Mean Activity Calculation
7. Average Energy Per Disintegration (EBAR)
8. Detection Limit Determination (LLD/MDA)
9. Optional Topics (as time and interest dictate)
- Introduction to other peak searches
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