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Dose mapping of the panoramic 60Co gamma irradiation facility at the Ruđer Bošković Institute – Geant4 simulation and measurements

2019; Elsevier BV; Volume: 154; Linguagem: Inglês

10.1016/j.apradiso.2019.108824

1872-9800

Marija Majer, M. Roguljic, Željka Knežević, Andrey N. Starodumov, D. Ferenček, V. Brigljević, Branka Mihaljević,

Radiation Effects and Dosimetry

The paper presents the dose mapping of the panoramic 60Co gamma irradiation facility at the Ruđer Bošković Institute in Croatia. Both experimental (using ionisation chamber) and simulation (using the Geant4 Monte Carlo code) studies have been performed and compared. Measured and simulation dose rates are found to be in very good agreement and can be used for the absorbed dose determination in the irradiation chamber in everyday work. In order to get a complete description of the dose distribution in the facility, the transit dose, which has to be taken into consideration at low doses, was also experimentally determined.