126I B- DECAY 
Parent state: G.S.
Half life: 12.93 D(5)
Q(gs): 1258(5) keV
Branch ratio:      0.473( 5)
 image 

Beta ray: for absolute intensity multiply by 2.116(22)

    Max.E(keV)    Avg.E(keV)     Intensity(rel)  Spin      2-
      1250(10)     461.5(21)      10.3( 5)                 0+
       865( 5)     292.5(20)      33.4( 5)                 2+
       385( 5)     111.2(17)      3.62( 4)                 2+

Gamma ray: for absolute intensity multiply by 0.752
   Energy(keV)    Intensity(rel)
   388.633(11)     100.0(13)
   491.243(11)      8.10(11)
   879.876(13)      2.09( 4)
J. KATAKURA AND K. KITAO, Nuclear Data Sheet 97, 765 (2002)

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