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Table 1 Characteristics of some of the Auger electron emitters [10]

From: In vitro proof of concept studies of radiotoxicity from Auger electron-emitter thallium-201

  201Tl 111In 67Ga 125I
Half-life (days) 3.04 2.80 3.26 59.4
Number of Auger and Coster–Kronig electrons /decay 36.9 14.7 4.7 24.9
Auger and Coster–Kronig electrons energy per decay (keV) 15.3 6.8 6.3 12.2
Associated gamma emission (keV) 135.3; 167.4 171.3; 245.4 9.1; 9.3; 184; 209; 300; 393 3535