204PB IT DECAY (66.93 M) 
Parent state: 2185.88(8) keV
Half life: 66.93 M(10)
Q(gs): () keV
Branch ratio:        1.0
image 

Gamma ray: 
   Energy(keV)    Intensity(rel)
    289.30(15)      0.25( 5)
    374.76( 7)     94.20(14)
     622.2( 2)      0.22( 4)
    663.43(15)    0.0022(22)
    899.15( 3)    99.174(12)
    911.74(15)      91.5(13)
      1274         0.012( 3)
C.J. CHIARA and F.G. KONDEV, Nuclear Data Sheet 111,141 (2010)

Please e-mail to jhchang@kaeri.re.kr for any comment. Thank you.