52-tellurium-137

Atomic Mass: 136.9253248 +- 0.0001315 amu
Excess Mass: -69559.519 +- 122.472 keV
Binding Energy: 1134648.367 +- 122.473 keV
Beta Decay Energy: B- 6941.600 +- 119.282 keV

"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.

Spin: (7/2-)
Half life: 2.49 s
Mode of decay: Beta to I-137
- Decay energy: 6.940 MeV
Mode of decay: Beta + Neutron to I-136
- Branch ratio: 2.69 %
- Decay energy: 1.870 MeV

R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)