Cause of Bump in Uranium Gamma Spectrum

In summary, the bump in the uranium gamma spectrum is caused by the presence of specific isotopes of uranium, namely uranium-235 and uranium-238. This unique signature helps scientists identify and determine the concentration of uranium in a sample. While other elements can also produce bumps in the gamma spectrum, the shape and position of the bump for uranium is distinct and reliable. Factors such as sample purity, energy of gamma rays, and type of detector can affect the size and shape of the bump. However, it cannot be used to determine the age of uranium, and other radiometric dating methods must be used for this purpose.
  • #1
eXorikos
284
5

Homework Statement


What is the cause for the bump in the lower energies of this spectrum: http://en.wikipedia.org/wiki/File:Gammaspektrum_Uranerz.jpg

The Attempt at a Solution


Is it just normal Compton? I'm doubting that because that is very asymmetric. I can't find anything in any textbook I own. And if it's Compton, why is it so asymmetric? Is that because there are low intensity, low energy gamma peaks?
 
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  • #2
*bump*
 
  • #3
Seriously nobody that can answer this question? :s
 

Related to Cause of Bump in Uranium Gamma Spectrum

1. What causes the bump in the uranium gamma spectrum?

The bump in the uranium gamma spectrum is caused by the presence of specific isotopes of uranium, specifically uranium-235 and uranium-238. These isotopes have different energy levels and emit gamma rays at different energies, creating a bump in the spectrum.

2. How does the bump in the spectrum help identify uranium?

The bump in the spectrum is a unique signature of uranium and its isotopes. By analyzing the energy levels and intensity of the bump, scientists can determine the presence and concentration of uranium in a sample.

3. Can other elements also produce bumps in the gamma spectrum?

Yes, other elements can also produce bumps in the gamma spectrum, but the shape and position of the bump will be different from that of uranium. This is why the bump in the uranium gamma spectrum is a specific and reliable indicator of the presence of uranium.

4. Are there any factors that can affect the size and shape of the bump in the spectrum?

The size and shape of the bump in the spectrum can be affected by various factors such as the purity of the sample, the energy of the gamma rays, and the type of detector used. It is important for scientists to carefully control these factors when analyzing the spectrum to ensure accurate results.

5. Can the bump in the spectrum be used to determine the age of uranium?

No, the bump in the spectrum does not provide information about the age of uranium. It only indicates the presence of uranium and its isotopes. To determine the age of uranium, other radiometric dating methods must be used.

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