Now Programmed Using Microsoft AJAX Technology 

     

This software was developed by Charles Hacker, Lecturer in Electronics, Computing and Physics Griffith School of Engineering Griffith University in Australia.  Mr. Hacker's web page may be accessed through this link:


You may download beta version 4 at his page, but you are required make your own folders and shortcuts with his download.  We have made custom install packages for both version 4 and version 3.6 that make life easier for you available for download below.  If you decide download here, please still visit Mr. Hacker's page to read detailed explanations and bug reports and view screen shots of the software.  One known bug of version 4 is that data is missing  from the database; for instance, no gamma peaks are listed for Ba-137m (the daughter of Cs-137 that actually emits the gamma), so the 661.7 keV peak is missing.  Alpha, beta and gamma energies are missing from various isotopes.  We find ourselves checking the LLNL or Lund sites to be sure.  More bug details are available at Mr Hacker's web page.

Radiation Decay (RadDecay) 4.0 Beta

Radiation Decay (RadDecay) 3.6

We have included this legacy version of Rad Decay because sometimes it is nicer to have a shorter isotope list when you do an isotope search by energy range.  This version only has 497 isotopes, but they are the most common 497 isotopes.  If you are a spectroscopist on a site with an average or shorter isotope inventory, a peak search will give you less isotopes on the possibility list to sort through and weed out.  The database for this version is the same as for the original raddecay DOS version from the 1980s.  It uses RSIC as the original source of the data (essentially the same as RADIOACTIVE DECAY DATA TABLES by David C. Kocher, Report DOE/TIC-11026 Technical Information Center), and with Grove Engineering as the originators of the PC formatted files.  The files are not as up to date as the ENSDF files but the software is still very useful.  Both version 4.0 and 3.6 may coexist on the same computer, with different desktop icons to differentiate.

UK Radiation Adviser Nuclear Links Nuclear Jobs MARSSIM Nuclear Resources US Health Physics Society Author's Personal Website US Health Physics Consultant UK Radiation Protection Society NRRPT Study Kit and Classic RP College Textbook

Rad Decay 4.0 provides radioactive decay information for over 3000 radionuclides.  The data is extrapolated from the US Brookhaven National Laboratory National Nuclear Data Center (NNDC) ENSDF database.  Data provided include the half life, radioactive daughter nuclides, decay chain series, probabilities per decay, and decay product energies for alphas, betas, positrons, electrons, X-rays, and photons.  One useful feature for the spectroscopist is the ability to enter an energy and a search range.  It will provide a list of possible isotopes that emit an energy within that range.  This is a great tool when your MCA software outputs unknown peaks to you.