element

Information about Thulium-156:


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

Mass-Energy Data:

Atomic Mass:	155.939007	±	0.000063	amu
Excess Mass (Δ):	-56.814703	±	0.058600	MeV
Binding Energy:	1261.958676	±	0.058600	MeV
β^- Decay Energy:	-3.577136	±	0.051547	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: 2-
Half life: 83.8 s ( 83.8 sec., λ = 0.00827145 s^-1)
Mode of decay:
E.C.
to
156
68
Er
(Q = 7.440 MeV) Branch ratio: 99.94 %
Mode of decay:
α
to
152
67
Ho
(Q = 4.340 MeV) Branch ratio: 0.06 %
Meta state at 0.000 Mev 83.8
Half life: 19 s ( 19 sec., λ = 0.0364814 s^-1)
Mode of decay:
α
to
152
67
Ho
(Q = 4.340 MeV)
Possible parent nuclides:
E.C. from
156
70
Yb

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	1.3 m	2-	+0.40(3)		[169Tm]	LRIMS	LNPP 1309 (87)
				-0.48(11) st	[170Tm]	LRIMS	LNPP 1309 (87)

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