IEEE/ANSI N42.14-1999

1 Overview
    1.1 Scope
    1.2 Purpose
2 References
3 Definitions
4 Installation of instrumentation
5 Calibration procedures
    5.1 Energy calibration
    5.2 Efficiency calibration
6 Gamma-ray measurements with Ge spectrometers
    6.1 Peak-finding algorithm
    6.2 Peak position and area measurement
    6.3 Measurement of gamma-ray energies
    6.4 Subtraction of background peaks
    6.5 Measurement of gamma-ray emission rates
    6.6 Calculation of nuclide activities
7 Performance tests of the spectrometry system
    7.1 MCA clocks
    7.2 DC offset and pole-zero settings
    7.3 Energy calibration
    7.4 System efficiency
    7.5 System resolution
8 Verification of the analysis process
    8.1 Test of automatic peak-finding algorithm
    8.2 Test of independence of peak-area from the
          gross peak-height-to-baseline-height ratio
    8.3 Test of the double-peak finding and fitting
          algorithms
    8.4 Pulse pileup (random summing)
    8.5 Assessment of the magnitude of coincidence
          summing
    8.6 Bias in the relative full-energy peak efficiency
    8.7 Accuracy of the full-energy peak efficiency
    8.8 Radionuclide identification
    8.9 Identification through multipeak analysis and
          correction for interference from other
          radionuclides
9 Uncertainties and propagation of uncertainty
Annex A (informative) Bibliography
Annex B (informative) Procedures for characterization
        of a Ge gamma-ray spectrometer
Annex C (informative) Measurement of peak position,
        net area, and their uncertainties
Annex D (informative) Equations for the correction of
        coincidence gamma-ray summing
Annex E (informative) Construction of shields for Ge
        spectrometers

Outlines procedures for the calibration and use of germanium (Ge) spectrometers used in the measurement of gamma-ray energies and emission rates over the energy range from 59 keV to approximately 3000 keV, and the calculation of source activities from these measurements.