Digital Data Acquisition for Gamma-Ray Spectroscopy



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Submitted Dec 5, 2021
Published Jan 18, 2022
10.24018/ejphysics.2022.4.1.139

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The performance characteristics of the digital pulse processor (DPP) as a low power pulse processor for gamma-ray semiconductor detector were analyzed. The FWHM energy resolution of the germanium detector was obtained as 0.35  and is in proper range of published value. The pulse resolution for peaking time of 0.8  obtained to be 1.16  respectively. A good range was obtained for the residual energy at various energy peaks. This lie between -2.3 KeV and 1.3KeV.The optimum peaking time was obtained at 6 μs where the FWHM goes through a minimum value from the plot of FWHM against peaking time. The dead time plot gave a linear fit for a peaking time of 3.2 μs and a curve at 19.2 μs.

Keywords: Gamma ray Spectroscopy; Nuclear structure; Digital data acquisition system; Instrumentation system

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