Basic Info

Fission Yield


element
Information about Cesium-141:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:140.920044±0.000011amu
    Excess Mass (Δ):-74.478538±0.010486MeV
    Binding Energy:1169.505616±0.010488MeV
    β- Decay Energy:5.251339±0.010605MeV
"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: 7/2+
  • Half life: 24.94 s ( 24.94 sec., λ = 0.0277926 s-1)
  • Mode of decay:
    β-
    to
    141
    56
    Ba
      (Q = 5.255 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    140
    56
    Ba
      (Q = 5 0.735 MeV)   Branch ratio: 0.035 %

  • Possible parent nuclides:
    β- from
    141
    54
    Xe
    β- +
    1
    0
    n from
    142
    54
    Xe
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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
025.1 s7/2+ +2.438(10) [133Cs]CFBLSZP A289 227 (79)
+2.42(3) [133Cs]ABLSNP A367 1 (81)
+2.41(1) [133Cs]ABPS 19 516 (79)
-0.36(4) st CFBLSZP A289 227 (79)
-0.45(7) st ABLSNP A367 1 (81)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.