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.

2007GA01: ¹⁸F(β⁺); measured E_γ, I_γ; deduced activity.

Measured half-life for ¹⁸F(β⁺)¹⁸O

Adopted value:	109.77 ± 0.05 min;	the mean value of following measured values except the first value.
Measured values:	109.748 ± 0.021 min	(2004SC04)
	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	(JA55)
	112 ± 1 min	(1949BL26)

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	KA69C	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: 17 November 2007