198TL IT DECAY (1.87 H)
Parent state: 543.5(4) keV
Half life: 1.87 H(3)
Q(gs): () keV
Branch ratio:      0.441(23)
image

Gamma ray: for absolute intensity multiply by 1.23
   Energy(keV)    Intensity(rel)
      23.1( 1)     0.069(11)
     259.6( 3)       5.1( 8)
     260.9( 3)       2.3( 4)
     282.8( 2)        50( 5)

Huang Xiaolong and Kang Mengx, Nuclear Data Sheet 133, 221 (2016)
198TL IT DECAY (32.1 MS)
Parent state: 742.3(4) keV
Half life: 32.1 MS(10)
Q(gs): () keV
Branch ratio:          1    
image

Gamma ray: 
   Energy(keV)    Intensity(rel)
      23.1( 1)     0.081(16)
     198.8( 2)      20.6( 6)
     259.5( 1)       6.2(13)
     260.9( 3)      2.76( 9)
     282.8( 2)        61( 6)

Huang Xiaolong and Kang Mengx, Nuclear Data Sheet 133, 221 (2016)

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