Information about Gadolinium-153:


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

Mass-Energy Data:

Atomic Mass:	152.921746	±	0.000003	amu
Excess Mass (Δ):	-72.892857	±	0.002951	MeV
Binding Energy:	1257.734629	±	0.002959	MeV
β^- Decay Energy:	-1.569171	±	0.003899	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: 3/2-
Half life: 240.4 days ( 2.07706×10⁺⁰⁷ sec., λ = 3.33716×10^-08 s^-1)
Mode of decay:
E.C.
to
153
63
Eu
(Q = 0.484 MeV)
Meta state at 0.095 Mev
Spin: (9/2)+ 240.4
Half life: 3.5 µs ( 3.5×10^-06 sec., λ = 198042 s^-1)
Mode of decay: γ (IT) (Q = 0.095 MeV)
Meta state at 0.171 Mev
Spin: 11/2-) 3.54
Half life: 76.0 µs ( 7.6×10^-05 sec., λ = 9120.36 s^-1)
Mode of decay: γ (IT) (Q = 0.171 MeV)
Possible parent nuclides:
E.C. from
153
65
Tb

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)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
0	241.6 d	3/2-	0.38(8)			NO/S	NP A445 189 (86)
110	1.97 ns	5/2-	+0.40(15)			IPAC/TDPAC	Cf77Tokyo 379 (77)
129	2.50 ns	3/2-	+0.37(7)			IPAC	HFI 3 423 (77)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.