Feasibility of photoelectron sources for testing the energy scale stablity of the KATRIN beta-ray spectrometer - Nuclear ExperimentReport as inadecuate




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Abstract: Photoabsorption of nuclear gamma-rays in thin metallic convertors wasexamined with the aim to produce monoenergetic photoelectrons of kinetic energyaround 18.6 keV and natural width of about 1 eV. Calculations were carried outfor commercial photon sources of 241Am 1.1 GBq and 119mSn 0.5 GBqirradiating Co and Ti convertors. Photoelectrons ejected by 241Am gamma- andX-rays from Co convertors of various thickness were measured with twoelectrostatic spectrometers.



Author: O. Dragoun, A. Spalek, J. Kaspar, J. Bonn, A. Kovalik, E. W. Otten, D. Venos, Ch. Weinheimer

Source: https://arxiv.org/



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