element

Information about Cerium-128:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	127.918870	±	0.000320	amu #
Excess Mass (Δ):	-75.572000	±	0.298000	MeV #
Binding Energy:	1063.325000	±	0.298000	MeV #
β^- Decay Energy:	-9.250000	±	0.499000	MeV #

"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: 6 s ( 6 sec., λ = 0.115525 s^-1)
Mode of decay: E.C. to
128
57
La
(Q = 3.200 MeV)
Possible parent nuclides:
E.C. from
128
59
Pr

E.C. +
1
1
p⁺ from
129
60
Nd

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)