

Software for calculating detection efficiency and modelling gamma spectra with the Monte Carlo method, where calibration with reference standards is hard to do.
EffMaker can also be used to analyse how the radionuclide distribution in a sample affects the activity measurement results. The relative position of the detector and the object can be fine-adjusted, including placing the detector inside the object.
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| Method | Monte Carlo; the physical spectrum of the source is convolved with the detector response matrix |
|---|---|
| Geometries | Embedded cylinders, parallelepipeds and spheres; patterns for truncated cone, tube, cylinder, box, spherical objects, angle bar, double tee and plates |
| Activity distribution | Surface (internal and external), volume and non-uniform distribution |
| Databases | Radionuclides based on ENSDF (compatible with Nuclide Master), gamma interaction cross-sections, models and calculation results |
| Integration | With the SpectraLine software package |
Source: Baltic Scientific Instruments, EffMaker product page (bsi.lv, retrieved November 2026). Full specifications are available in the documents.