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https://open.uns.ac.rs/handle/123456789/136
Назив: | Beam energy measurement on LINAC-200 accelerator and energy calibration of scintillation detectors by electrons in range from 1 MeV to 25 MeV | Аутори: | Krmar, Miodrag Teterev Y. Belov A. Mitrofanov S. Abou El-Azm S. Gostkin M. Kobets V. Kruchonak U. Nozdrin A. Porokhovoy S. Demichev M. |
Датум издавања: | 11-авг-2019 | Часопис: | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | Сажетак: | © 2019 Elsevier B.V. Accurate determination of the energy of LINAC-200 fast electrons was performed using several photonuclear reactions carried out on natural Indium after conversion of electron energy in bremsstrahlung in thick Tungsten target. Natural Indium was used as an activation detector and the ratios of saturation activities R(113mIn)/R(115mIn), R(114mIn)/R(115mIn)and R(111In)/R (115mIn)were used as a measure of the endpoint energy of the bremsstrahlung beam (and energy of electrons striking the bremsstrahlung target as well). Energy dependence of the three ratios of saturation activities were determined by using the bremsstrahlung produced by electrons accelerated by Microtron to the energies known with accuracy not worse than 0.1 MeV. Three types of scintillation detectors (LaBr3:Ce, BGO and plastic)were calibrated using electrons having energies from 1.17 MeV to 25 MeV. In low energy region photoelectrons produced by 60Co gamma radiation in the detector itself were used, as well as high energy electrons (from 11 MeV to 25 MeV)accelerated by LINAC-200. | URI: | https://open.uns.ac.rs/handle/123456789/136 | ISSN: | 01689002 | DOI: | 10.1016/j.nima.2019.04.104 |
Налази се у колекцијама: | PMF Publikacije/Publications |
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