57-lanthanum-147

Atomic Mass: 146.9278196 +- 0.0000832 amu
Excess Mass: -67235.563 +- 77.540 keV
Binding Energy: 1209125.872 +- 77.540 keV
Beta Decay Energy: B- 4945.000 +- 55.000 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: (5/2+)
Half life: 4.015 s
Mode of decay: Beta to Ce-147
- Decay energy: 4.950 MeV
Mode of decay: Beta + Neutron to Ce-146
- Branch ratio: 0.04 %
- Decay energy: 0.430 MeV
Possible parent nuclides:
Beta from Ba-147
Beta + N from Ba-148

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)