Gamma Ray Spectroscopy - 97 keV Peak for U238 Metal

  • #1

Main Question or Discussion Point

I recently acquired a 39 gram sample of U-238 metal. I ran a gamma spectrum on the sample and found a major peak around 97 keV. I couldn't find any documents that mentioned this peak for U-238, but it is very prominent.

I ran a gamma ray spectrum on a 5 gram Uranium Oxide sample and it also exhibits the gamma ray peak around 97 keV.

Does anyone know how this gamma-ray peak is being generated? I've looked at the decay chain for U-238, but could not find any references to a 97 keV peak.
 

Answers and Replies

  • #2
963
213
Does anyone know how this gamma-ray peak is being generated? I've looked at the decay chain for U-238, but could not find any references to a 97 keV peak.
well i became curious also and a google search gave me an spectra of uranium soil sample and there was a good peak at around 100 keV
you may see the following
http://www.stratamodel.com/gamma.htm
i will look further to elicit more info ;thanks
 
  • #3
Thanks,

I will visit the link and review the information.
 
  • #5
  • #6
Indeed. These K transitions appear to be right near the measured 97 keV peak. Thanks for the reply.
 

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