G-Value of Hydrogen Peroxide Generated by Water Radiolysis with Irradiation of Pulsed Intense Relativistic Electron Beam

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G-value of hydrogen peroxide irradiated by pulsed intense relativistic electron beam (PIREB) was demonstrated. The PIREB with a kinetic energy of up to 2 MeV and pulse duration of 100 ns (FWHM) was generated using the intense pulsed power generator “ETIGO-III”. The G-value after PIREB irradiations was estimated as 1.25 molecules/100eV with 68.9 kGy of average dose accumulated by 9 shots and 20 mg/L of hydrogen peroxide concentration. The result indicated that the G-value of PIREB irradiation was higher than that by high LET radiation irradiations.