137CE IT DECAY (34.4 H) 
Parent state: 254.29(5) keV
Half life: 34.4 H(3)
Q(gs): () keV
Branch ratio:     0.9921( 4)
 image 

Gamma ray: for absolute intensity multiply by 0.000452
   Energy(keV)    Intensity(rel)
    254.29( 5)   24.8E+3( 9)
E. BROWNE, J. K. TULI, Nuclear Data Sheet 108,2173 (2007)

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