1949BR27: ¹⁷F.

1954KO54: ¹⁷F.

1954WO20: ¹⁷F.

1958AR15: ¹⁷F.

1960JA12: ¹⁷F; measured not abstracted; deduced nuclear properties.

1969GA05: ¹⁷F; measured I_γ; deduced log ft, β-branching. ¹⁷O deduced levels.

1969WO09: ¹⁷F; measured T_1/2.

1972AL42: ¹⁷F; measured T_1/2.

1977AL20: ¹⁷F; measured T_1/2.

1977AZ01: ¹⁷F; measured T_1/2.

1987SEZL, 1987SEZR, 1988SE11: ¹⁷F(β⁺); measured β-anisotropy.

1989SE07: ¹⁷F(β⁺); measured β(θ), oriented nuclei.

1990FUZQ, 1991MAZL, 1992MI13, 1993MI33: ¹⁷F(β⁺); measured β-NMR spectra asymmetry change in NaF; deduced μ.

2007ZH03: ¹⁷F(β⁺), (EC); measured β-NMR spectra. ¹⁷F deduced quadrupole moment.

2015GR14: ¹⁷F(β⁺), (EC); measured E_β, I_β, E_γ, half-lives of the ground states; deduced Ft.

2016BR01: ¹⁷F(β⁺); measured β radiation, half-life.

Measured half-life for ¹⁷F(β⁺)¹⁷O

Recommended value (April, 2016):	64.385 ± 0.053 sec	(Weighted Average (external uncertainty) of 1977AL20, 1977AZ01, 2015GR14 and 2016BR01)
Summary Table of Uncertainty Analysis:	(PDF)
Note: The weighted average of all values:	64.427 ± 0.080 sec	(PDF); Summary chart of all values:   (PDF)
Measured values:	64.402 ± 0.039 sec	(2016BR01)
	64.347 ± 0.035 sec	(2015GR14)
	64.80 ± 0.12 sec	(1977AL20)
	64.31 ± 0.09 sec	(1977AZ01)
	64.50 ± 0.25 sec	(1972AL42)
	65.2 ± 0.2 sec	(1969WO09)
	66.0 ± 0.2 sec	(1960JA12)
	66.6 ± 0.5 sec	(1958AR15, 1954KO54)
	62.5 ± 1.0 sec	( 1954WA1A)
	66.0 ± 1.8 sec	( 1954WO20)
	66.3 ± 1 sec	( 1951LA1A)
	66 ± 1 sec	( 1949BR27)
Other Reviews:	64.61 ± 0.17 sec	(2008SE10)
	64.73 ± 0.33 sec	(Our analysis in September, 2015)
	64.374 ± 0.082 sec	(Our analysis in December, 2015)

Previous Measurements

 

Decay to 17O (MeV)	Upper Limit Branching Ratio (%)		log ft					E(max) (MeV)
	(1963AR1B)	(1969GA05)	(1954WO20)	(1969GA05)	(1972AL42) a	b	c	(1954WO20)
0			3.38		3.488 ± 0.001	3.358 ± 0.002	3.36	1.748 ± 0.006
0.87	4 x 10-4	< 3.4 x 10-4	> 4.3	> 5.6

a) Using T1/2 = 64.50 ± 0.25 sec.

b) Using T1/2 = 64.49 ± 0.16 sec.

c) Using T1/2 = 66.0 ± 0.2 sec (1971AJ01).

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¹⁷C(β^-)¹⁷N Evaluated Data

¹⁷N(β^-)¹⁷O Evaluated Data

¹⁷Ne(β⁺)¹⁷F Evaluated Data

A = 17 Beta-Decays Diagram

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Last modified: 24 June 2021