GammaVision
®
v7 (A66-BW) 783620H / 1013
! The designators for Deconvolution, Shape, and Derived Area (as applicable) can be modified in the b30winds.ini
file.
! If the b30winds.ini
parameter “Zero Area Identified Peak flag” is set to “F” (false), then only peaks with 1-sigma counting uncertainty below the Peak Cutoff and those resulting from Directed Fit (when enabled on the Analysis tab) are included in this table. If this parameter is set to “T” (true), additional peaks that did not pass the Peak Cutoff may be included in the list based on the analysis engine as follows:
— WAN32 and ROI32: Peak data are displayed for all peaks in the library.
— GAM32: Peak data are displayed for all peaks reported, but all library peaks may not be reported depending on peak quality, library content, and analysis settings.
— NPP32: Deconvoluted peaks that are rejected may not be included in the peak list.
Only the peak background and FWHM are displayed for peaks that do not meet the peak cutoff criteria.
— ENV32: Some rejected peaks may be included in the list, but peak data are not available.
7.7.7. Summary of Library Peak Usage
This table (Fig. 269) displays peaks that were found in the spectrum and associated with a library nuclide with the clarifications below.
Fig. 269.
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! The Library peak matrix option must be enabled on the Report tab for this table to be displayed.
! If the library is not found or the spectrum is not calibrated, this table is suppressed.
783620H / 1013 7. ANALYSIS REPORT
! If Manual Library Based Peak Stripping is enabled on the Analysis tab, a separate table for data associated with each library is reported with the library name displayed at the beginning of the table.
! The table format and content are based on the analysis engine as follows:
— NPP32 and ENV32:
P Average Nuclide Activity and Peak Activity values have corrections applied including the activity scaling factor (based on the Multiplier, Divisor, and sample
Size entered on the System tab) and decay.
P The column to the right of the Peak MDA is the peak 1-sigma counting uncertainty in percent.
P The first nuclide peak is one line below the applicable nuclide data.
P If the b30winds.ini
“Zero Activity Isotope flag” flag is set to “T” (true), rejected nuclides and associated peaks are included in the table. The activity values are set to zero, but peak flags, MDA, and counting uncertainty are displayed (as well as branching ratio and half-life if applicable based on the “Unidentified Peak Summary and Library Peak Usage Format flag” flag setting). Uncertainty values may be set to a default value of zero (NPP32) or 1E+03 (ENV32) for peaks that are rejected. This may be due to the nuclide being rejected prior to the Library
Directed Fit process, the inability to physically fit a peak in the spectrum, or other peak rejection criteria. If this parameter is set to “F” (false), rejected nuclides are not displayed in this table.
P If Directed Fit is enabled on the Analysis tab, peak fit data associated with
Directed Fit are displayed in this table. When using ENV32, all nuclides should be reported with an activity value. When using NPP32, nuclides that fail the Key Line or Fraction Limit tests, or have interferences at key peaks, can still be reported with zero activity.
P Peak energies are listed in the library order regardless of the b30winds.ini
parameter “Sort Nuclide Peaks by Energy flag” setting.
P If the b30winds.ini
parameter “Zero Area Library Peak flag” is set to “T” (true), display all nuclide library peaks even if they did not pass the analysis settings criteria. If this flag is set to “F” (false), only the peaks that passed the analysis settings criteria will be displayed, and a message summarizing how many of the
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GammaVision
®
v7 (A66-BW) 783620H / 1013
library peaks were found will be displayed below the nuclide peak list (i.e., X of Y peaks found).
— WAN32, GAM32, and ROI32:
P Average Nuclide Activity is reported as Time of Count Total Activity in either μCi or Bq as selected on the System tab. This value has all corrections applied except for activity scaling factor (based on the Multiplier, Divisor, and sample Size entered on the System tab) and decay.
P Peak Activity is reported as Time of Count Total Activity in either μCi or Bq as selected on the System tab. This value has all corrections applied except for activity scaling factor (Multiplier, Divisor, and sample Size), decay, and Random
Summing.
P Peak uncertainty is not reported.
P The first nuclide peak is on the same line as the nuclide data as shown in Fig. 270.
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Fig. 270.
P All nuclides are reported even when they are not identified (i.e., zero activity) regardless of the b30winds.ini
“Zero Activity Isotope flag” parameter setting.
P If Directed Fit is enabled on the Analysis tab, peak fit data associated with
Directed Fit are displayed in this table. When using WAN32, nuclides that fail the
Key Line or Fraction Limit tests, or have interferences at key peaks, can still be reported with zero activity.
P If the b30winds.ini
“Sort Nuclide Peaks by Energy flag” flag is set to “T” (true), then nuclide peaks are listed in order of energy. If this parameter is set to “F”
(false), then nuclide peaks are listed in the library order.
