138CS IT DECAY (2.91 M) 
Parent state: 79.9(3) keV
Half life: 2.91 M(8)
Q(gs): () keV
Branch ratio:       0.81( 2)
 image 

Gamma ray: for absolute intensity multiply by 0.00456
   Energy(keV)    Intensity(rel)
      79.9( 3)       100
A.A. Sonzogni, Nuclear Data Sheet 98, 515 (2003)

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