element
Information about Bohrium-261:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:261.121800±0.000256amu #
    Excess Mass (Δ):113.456000±0.239000MeV #
    Binding Energy:1909.447000±0.239000MeV #
"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.
Radioactive Decay Data:

  • Half life: 11.8 ms ( 0.0118 sec., λ = 58.7413 s-1)
  • Mode of decay: α to
    257
    105
    Db
      (Q = 10.560 MeV)   Branch ratio: >90.00 %
  • Mode of decay: SF   Branch ratio: <10.00 %
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)