Isotope

Energy(keV)

Absolute emissionintensity (%)

212Pb

238.625(6)

43.4(3)

212Pb

300.09(1)

3.3(1)

228Ac

338.322(2)

11.25(3)

208Tl

583.191(2)

84.4(7)

228Ac

911.205(4)

26.6(7)

228Ac

968.971(10)

16.1(3)

228Ac

1588.210(30)

3.27(10)

208Tl

2614.532(13)

99.9(4)