Question
A Scintillator-PMT combo is used to measure the energy spectrum from a Na-22 source. Calculate the pulse amplitude associated with the above Compton edge, given:
A Scintillator-PMT combo is used to measure the energy spectrum from a Na-22 source.
Calculate the pulse amplitude associated with the above Compton edge, given:
- Scintillation efficiency = 12%
- Wavelength of scintillation photon = 410 nm
- Light collection efficiency = 60%
- Photocathode quantum efficiency = 30%
- PMT gain = 105,000
- Detector capacitance = 150 pF
A Pb attenuator was added between the source and the detector. How would this affect the pulse amplitude of the full-energy peak?
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Conceptual Physical Science
Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
5th Edition
0321753348, 9780321753342
