Design, spectrum measurements and simulations for a 238Pu alpha-particle irradiator for bystander effect and genomic

Arvi Hakanen1, Teemu Siiskonen, Roy Pöllänen

  • 1STUK-Radiation and Nuclear Safety Authority P. O. Box 14, FIN-00881 Helsinki, Finland. arvi.hakanen@stuk.fi

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they produce ions...