Exposing radiochromic film with strontium-90 beta particles

Описание к видео Exposing radiochromic film with strontium-90 beta particles

Sheets of Gafchromic EBT3 radiochromic film are exposed to radiation from a strontium-90 pterygium eye applicator, causing the dye in the film to polymerize into its characteristic blue form. The influence of a magnetic field is investigated. In total, three sheets are irradiated for one hour each:
1) with no magnet present;
2) with the magnet in one orientation;
3) with the magnet in the reverse orientation.

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