Abstract
The radiation-chemical processes investigated in polymers show that the macroradicals are responsible for the plastic scintillator radiation degradation. The reversible character of the radiation damage makes it evident that macroradicals are the excited state quenchers. It is supposed that the macroradical quenching of the electron-exited states has an unlike mechanism caused by the specific structure of paramagnetic particles and by peculiar formation and localization of macroradicals near the dopants. The dopant locations are the defects in which all radiation processes (such as the localization of the absorbed energy, macroradical formation, interaction between the radicals and the dopants) proceed.
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