TY JOUR TI Scintillators for Precision y-Spectrometers KW scintillators KW photomultiplier KW relative energy resolution KW intrinsic resolution KW light output KW non-linearity of light output KW constant emission KW self-absorption JO ANRI AU Belousov, M.P. AU Ignat'ev, O.V. PY 2023 IS 0 PB Scientific-Production Enterprise “Dosa”