Photon Activation Analysis System (PAAS)










Nuclear activation analysis of environmental, archaeological, geological and industrial samples requires extensive data analysis that is susceptible to error. For the purpose of saving time, manpower and minimizing error, An online computer program—Photon Activation Analysis System (PAAS) —was designed, built and implemented using SQL and technology to automate this process. Based on the peak information of the spectrum and assisted by its library, the program automatically identifies elements in the samples and calculates their concentrations and respective uncertainties. By switching the nuclide library and the related formula behind, the program can be easily expanded to neutron activation analysis (NAA), charged particle activation analysis (CPAA) or proton-induced X-ray emission (PIXE). Implementation of this would standardize the analysis of nuclear activation data. Results from this software were compared to standard PAA analysis with excellent agreement. With minimum input from the user, the software has proven to be fast and reliable.

In addition, the program is particularly user-friendly for those colleagues (e.g. archaeologists, biologists, environmentalist, geologists, etc.) who are interested in activation analysis, but not too familiar with the underneath detail of the nuclear (atomic) reactions and the corresponding activation calculations.

The detailed description of the PAAS could be found here.

Before using the system, you should have the files and the information below:

1.       Peak reading files in excel 2007 (*.xlsx) format;

2.       Concentration (ppm) file of the reference in excel 2007 (*.xlsx) format;

3.       Other information, such as the mass, the time(s), the monitor data, etc;

4.       The method one used for monitoring the photon flux (the analysis without monitor, the external monitor method or the internal monitor method).

If you have all the files and the information above, click here.