Abstract—
A multichannel scintillation spectrometer with a thickness of 2.5X0 has been calibrated on a secondary electron beam with energies of 23−280 MeV at the Pakhra accelerator of the Lebedev Physical Institute. The relative energy resolution of the spectrometer is determined by the electron energy and the spectrometer thickness. The best relative energy resolution of the spectrometer is attained at an electron energy of ~90 MeV; its values are δ = 13 and 9.4% at spectrometer thicknesses of 1.0X0 and 2.5X0, respectively.
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ACKNOWLEDGMENTS
We are grateful to T. Ralko for help in the work and to the operation team of the Pakhra accelerator under the leadership of G.G. Subbotin for successful and fruitful cooperation.
Funding
This work was supported by the Russian Foundation for Basic Research (NICA—RFBR), grant nos. 18-02-40061 and 18-02-40079.
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Translated by N. Goryacheva
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Alekseev, V.I., Baskov, V.A., Varfolomeeva, E.A. et al. The Energy Characteristics of a Multichannel Scintillation Spectrometer. Instrum Exp Tech 64, 663–668 (2021). https://doi.org/10.1134/S0020441221050018
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DOI: https://doi.org/10.1134/S0020441221050018