1949BL26: ¹⁸F.

1951RU24: ¹⁸F.

1956DR38: ¹⁸F.

1958BE74: ¹⁸F.

1964HO28: ¹⁸F; measured not abstracted; deduced nuclear properties.

1964MA12: ¹⁸F; measured not abstracted; deduced nuclear properties.

1965BO42: ¹⁸F; measured T_1/2.

1965EB01: ¹⁸F; measured T_1/2.

1980RUZY: ¹⁸F; compiled T_1/2.

1983CO20: ¹⁸F(β⁺), (EC); measured β⁺ emission rates.

1984EVZZ: ¹⁸F(β⁺), (EC); measured γ CP.

1985DO02: ¹⁸F(β⁺), (EC); analyzed γ CP.

1985EVZZ: ¹⁸F(β⁺), (EC); measured γ CP; deduced pion-nucleon-nucleon coupling constant limit.

1989SC17: ¹⁸F(β⁺), (EC); measured T_1/2.

2001ME26: ¹⁸F(EC); measured T_1/2.

2002UN02: ¹⁸F; compiled T_1/2.

2004SC04: ¹⁸F; measured T_1/2.

2007GA01: ¹⁸F(β⁺); measured E_γ, I_γ.

2009BAZT: ¹⁸F(β⁺); measured E_β, I_β, E_γ, I_γ, β-γ-coin.; deduced J, π, transition strengths.

2010GA04: ¹⁸F(EC); measured E_γ, I_γ, E_e, I_e; deduced T_1/2.

2012FI12: ¹⁸F; analyzed half-lives. Corrections made to measured half-lives with NIST Ionization Chamber "A" for sample position slippage over time.

2012HA35: ¹⁸F(EC); measured decay products, E_γ, I_γ; deduced T_1/2.

2012TR02: ¹⁸F(EC); measured decay products, E_γ, I_γ; deduced T_1/2. Comparison with ENSDF value.

2014UN01: ¹⁸F(EC); analyzed decay products, E_β, I_β, E_γ, I_γ; deduced T_1/2. updated values. NIST correction for source-holder instability.

2014DI01: ¹⁸F(β⁺); measured E_γ, I_γ, half-life.

2015KA41: ¹⁸F(β⁺); measured decay products, E_γ, I_γ; deduced T_1/2 and its uncertainty.

2020VA03: ¹⁸F(EC),(β⁺); measured decay products, E_β, I_β, E_γ, I_γ; deduced the absolute activity.

Measured half-life for ¹⁸F(β⁺)¹⁸O

Recommended value (August, 2019):	109.732 ± 0.011 min
Summary Table of Uncertainty Analysis:	(PDF)	Graph of Life-Time: (PDF)
Measured values:	109.73 ± 0.14 min	(2015KA41)
	109.6 ± 0.7 min	(2014DI01)
	109.72 ± 0.19 min	(2012HA35)
	109.723 ± 0.011 min	(2010GA04)
	109.749 ± 0.021 min	(2004SC04)
	109.771 ± 0.021 min	(2002UN02, 2012FI12, 2014UN01)
	109.70 ± 0.11 min	(1989SC17)
	109.71 ± 0.02 min	(1980RUZY)
	111.0 ± 2.0 min	(1965BO42)
	109.87 ± 0.12 min	(1965EB01)
	110.5 ± 0.6 min	(1964HO28)
	109.72 ± 0.06 min	(1964MA12)
	109.8 ± 1.2 min	(1958BE74)
	111 ± 1 min	(1955JA1A)
	112 ± 1 min	(1949BL26)
Other Reviews:	109.728 ± 0.019 min	from LNHB evaluation. (Be et al., Nucleide, Table of Radionuclide on CD-Rom,
		Version 2000, CEA/BNM-LNHB, 91191 Gif-sur-Yvette, France.).

Previous Measurements

 

Eβ(max) (keV)		log ft		εK/β+
(1949BL26)	635 ± 15	(1949BL26)	3.62	(1956DR38)	0.030 ± 0.002
(1951RU24)	649 ± 9	a	3.554
(1964HO28)	635 ± 2	1969KA1B	3.568 ± 0.001
(1970AL11)	632.9 ± 0.7 b
(2007GA01)	633.5

a) Using T1/2 = 109.77 ± 0.05 min; see (1972AJ02).

b) Using standard masses from (1965MA54).

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¹⁸N(β^-)¹⁸O Evaluated Data

¹⁸Ne(β⁺)¹⁸F Evaluated Data

A = 18 Beta-Decays Diagram

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Last modified: 24 June 2021