129I B- DECAY (1.57E+7 Y)
Parent state: G.S.
Half life: 1.57E+7 Y(4)
Q(gs): 189(3) keV
Branch ratio:         1.    
image

Beta ray: 

    Max.E(keV)    Avg.E(keV)     Intensity(rel)  Spin    7/2+
     149.4( -)     40.03(92)       100( 1)               3/2+

Gamma ray: 
   Energy(keV)    Intensity(rel)
    39.578( 4)      7.51(23)

JANOS TIMAR AND ZOLTAN ELEKES, Nuclear Data Sheet 121, 143 (2014)
129I B- DECAY (1.57E7 Y)
Parent state: G.S.
Half life: 1.57E7 Y(4)
Q(gs): 189(3) keV
Branch ratio:         1.    
image

Beta ray: 

    Max.E(keV)    Avg.E(keV)     Intensity(rel)  Spin    7/2+
     149.4( -)     40.03(92)       100( 1)               3/2+

Gamma ray: 
   Energy(keV)    Intensity(rel)
    39.578( 4)      7.51(23)

JANOS TIMAR AND ZOLTAN ELEKES, Nuclear Data Sheet 121, 143 (2014)

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