91-Pa-227
basic
element
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91-protactinium-227
- Atomic Mass: 227.0287932 +- 0.0000083 amu
- Excess Mass: 26820.644 +- 7.716 keV
- Binding Energy: 1734175.474 +- 7.722 keV
- Beta Decay Energy: B- -2186.140 +- 18.394 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: 38.3 min
- Mode of decay: Alpha to Ac-223
- Branch ratio: 85.00 %
- Decay energy: 6.580 MeV
- Mode of decay: EC to Th-227
- Branch ratio: 15.00 %
- Decay energy: 1.019 MeV
- Possible parent nuclides:
- Alpha from Np-231
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)
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