Information about Phosphorus-31:


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

Mass-Energy Data:

Atomic Mass:	30.973762	±	0.000000	amu
Excess Mass (Δ):	-24.440991	±	0.000183	MeV
Binding Energy:	262.916697	±	0.000188	MeV
β^- Decay Energy:	-5.396059	±	0.001514	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:

Atomic Percent Abundance: 100%
Spin: 1/2+
Stable Isotope
Possible parent nuclides:
β^- from
31
14
Si

E.C. from
31
16
S

E.C. +
1
1
p⁺ from
32
17
Cl

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	stable	1/2+	+1.13160(3)		[23Na]	N	ORNL 1775 (54)
1270	0.52 ps	3/2+	+0.30(8)			IMPAC	NP A379 22 (82)
2230	0.25 ps	5/2+	+2.8(5)			IMPAC	NP A379 22 (82)

0	14.28 d	1+	-0.2524(3)			ENDOR	PR 107 1462 (57)

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