6
2
He
element 		Information about Helium-6:

(no NIST x-ray data)(no NIST attenuation data)
WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:6.018888±0.000001amu
    Excess Mass (Δ):17.594123±0.001014MeV
    Binding Energy:29.269107±0.001014MeV
    β- Decay Energy:3.507811±0.000902MeV
"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:

  • Spin: 0+
  • Half life: 806.7 ms ( 0.8067 sec., λ = 0.859238 s-1)
  • Mode of decay:
    β-
     to
    6
    3
    Li
       (Q = 3.508 MeV)

  • Possible parent nuclides:
    1
    0
    n emission from
    7
    2
    He
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)