element

Information about Arsenic-71:


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

Mass-Energy Data:

Atomic Mass:	70.927115	±	0.000005	amu
Excess Mass (Δ):	-67.892187	±	0.004363	MeV
Binding Energy:	615.138444	±	0.004364	MeV
β^- Decay Energy:	-4.800000	±	0.200000	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: 5/2-
Half life: 65.28 h ( 235008 sec., λ = 2.94946×10^-06 s^-1)
Mode of decay:
E.C.
to
71
32
Ge
(Q = 2.013 MeV)
Possible parent nuclides:
E.C. from
71
34
Se

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	65.3 h	5/2-	(+)1.674(2)			NMR/ON	HFI 2 294 (76)/NP A259 378 (76)
			1.64(4)			AB	ZP A 294 1 (80)
				-0.017(10)	[72As]	NO/S	HFI 43 205 (88)
1001	19.8 ns	9/2+	+5.15(9)			TDPAD	ARHMI 58 (71)

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