(n, γ → β⁻) Activation

Precursor

Intermediate radioisotope

Product radioisotope

Half-life (days)

⁹⁸Mo

⁹⁹Mo

^99mTc

0.25

¹³⁰Te

¹³¹Te

¹³¹I

8.02

¹⁶⁴Dy

^165,166Dy

¹⁶⁶Ho

1.1

¹⁷⁶Yb

¹⁷⁷Yb

¹⁷⁷Lu

6.68

¹⁹⁸Pt

¹⁹⁹Pt

¹⁹⁹Au

3.14