Absolute-scale determination of bremsstrahlung following photoabsorption of incident x and γ rays

Pašić, Selim and Ilakovac, Ksenofont (2000) Absolute-scale determination of bremsstrahlung following photoabsorption of incident x and γ rays. Physical Review A, 61 (4). 42710-1-42710-7. ISSN 1050-2947

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The spectrum of bremsstrahlung due to photoelectrons ejected by incident photons of energy 59.5 keV was measured on an absolute scale. A coincidence experimental setup with two high-purity germanium detectors was used. One detector served as the target as well as the detector of ejected electrons and another (second) detector served as the detector of bremsstrahlung radiation. The applied experimental method gives a very clean bremsstrahlung spectrum which can be reliably determined on an absolute scale in the low- and mid-energy range. Detailed processing of the data is presented, including calculations of all other processes that have also been recorded in the experiment. A simple theoretical model for the bremsstrahlung of photoelectrons in an infinitely thick target is applied and the results are compared with experimental values. Good agreement between the theoretical and experimental results has been obtained.

Item Type: Article
Keywords: Bremsstrahlung of photoelectrons, germanium target, , incident photons of energy 59.5 keV, two germanium detectors in coincidence, simple theoretical model for bremsstrahlung of photoelectrons
Date: 2000
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2000) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119208
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 10 May 2014 18:53
Last Modified: 12 May 2014 09:02
URI: http://digre.pmf.unizg.hr/id/eprint/1152

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