203
Tl(p,4n)
200
Pb
Half-life T
1/2
= 21.5 h
Energy range: 25 - 35 MeV
Main gamma lines:
147.629 keV (37.7%)
257.17 keV (4.46%)
more details at:
http://nucleardata.nuclear.lu.se/nucleardata/toi/