element

Information about Dysprosium-155:


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

Mass-Energy Data:

Atomic Mass:	154.925749	±	0.000013	amu
Excess Mass (Δ):	-69.164398	±	0.012048	MeV
Binding Energy:	1268.584108	±	0.012050	MeV
β^- Decay Energy:	-3.102000	±	0.020000	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: 9.9 h ( 35640 sec., λ = 1.94486×10^-05 s^-1)
Mode of decay:
E.C.
to
155
65
Tb
(Q = 2.095 MeV)
Meta state at 0.234 Mev
Spin: 11/2- 9.9
Half life: 6 µs ( 6×10^-06 sec., λ = 115525 s^-1)
Mode of decay: γ (IT) (Q = 0.234 MeV)
Possible parent nuclides:
E.C. from
155
67
Ho

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	10.0 h	3/2-	-0.385(4)		[163Dy]	CFBLS	PC Neugart (87)
			-0.339(2)		[163Dy]	AB	PS 6 24 (72)/PL 49A 287 (74)
				+1.04(3)	[163Dy]	CFBLS	PC Neugart (87)
				+0.967(14)	[163Dy]	AB	PS 6 24 (72)/PL 49A 287 (74)

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