Gamma spectroscopy

The gamma-ray spectrum of natural uranium, showing about a dozen discrete lines superimposed on a smooth continuum, allows one to identify the nuclides 226
Ra
, 214
Pb
, and 214
Bi
of the uranium decay chain. This spectrum was taken from a Uranium ore sample from Moab, Utah

Gamma-ray spectroscopy is the qualitative study of the energy spectra of gamma-ray sources, such as in the nuclear industry, geochemical investigation, and astrophysics.[1] Gamma-ray spectrometry, on the other hand, is the method used to acquire a quantitative spectrum measurement.[2]

Most radioactive sources produce gamma rays, which are of various energies and intensities. When these emissions are detected and analyzed with a spectroscopy system, a gamma-ray energy spectrum can be produced.

A detailed analysis of this spectrum is typically used to determine the identity and quantity of gamma emitters present in a gamma source, and is a vital tool in radiometric assay. The gamma spectrum is characteristic of the gamma-emitting nuclides contained in the source, just like in an optical spectrometer, the optical spectrum is characteristic of the material contained in a sample.

  1. ^ "Scintillation Detector - an overview". ScienceDirect. Retrieved 2022-11-01.
  2. ^ "Gamma Spectroscopy". nuclear-power.com. Retrieved 2023-07-29.

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