SODIGAM is the only high-precision analytical software for scintillation spectrometers to use physically correct descriptions of background, baseline, and peakshapes as part of gamma-ray analysis. It contains many of the features normally found in programs designed for the high-precision analysis of HPGe spectra, and allows users to run samples from within the DPPMCA software.
Features
- Fully automatic spectrum analysis (educational mode)
- User-controlled peak analysis (hand analysis mode)
- Batch file operation without user intervention (automatic routine analysis mode)
- Compatible with the Gamma-Rad 5 gamma-ray detection system and TB-5 digital tube base, working equally well for NaI (Tl), BGO, CsI, LaBr3(Ce) (BrilLanCe) and X-ray spectra from proportional counters
- Extensive master library contains all nuclides with half-life greater than 10 seconds; library easily edited by users
- Available in English, French, and German
- Lifetime free software updates from the developer
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Figure 1: Fit to the multiplet around 356 keV in a spectrum from Ba-133 with SODIGAM
Highlights
SODIGAM contains all options needed for quantitative spectrum analysis and nuclide assignment:
- Selectable sensitivity in units of detection limits
- FWHM function definition from measured peaks
- Intrinsic FWHM function for NaI(Tl) spectra
- Intrinsic FWHM function for LaBr3 spectra
- Nonlinear energy calibration function
- Efficiency via intrinsic function or polynomials
- Consideration of external background interferences
- Application libraries generated through excerpting
- Decay correction and interference correction
- Multiplet deconvolution with up to 28 components
- Physical peak-shape description
- Physical shape of baseline under peaks
- Fuzzy-logic applied for various tasks
- Very stable LSQ-fit without matrix inversion