1974GU19: ¹⁹N; measured E_γ, I_γ, delayed neutrons, T_1/2; deduced I_γ limits, log ft. ¹⁹O level deduced π.

1986DU07: ¹⁹N(β^-); measured βγ(t); deduced T_1/2. ¹⁹O deduced levels, γ-branching.

1987MIZU, 1988SA04: ¹⁹N; measured β-decay T_1/2.

1988DUZT: ¹⁹N; measured E_γ, T_1/2, production rates.

1988MU08: ¹⁹N; measured T_1/2, neutron emission probabilities.

1991RE02: ¹⁹N; measured T_1/2, neutron emission probability, upper limits. Tof isochronous spectrometer, ion-neutron delayed coincidence.

1993REZX: ¹⁹N(β^-n); measured β-delayed neutron average energies.

1995REZZ: ¹⁹N; deduced T_1/2.

2003KAZX, 2004KA22, 2004KAZY: ¹⁹N(β^-); measured β-NMR spectra from oriented nuclei; deduced ground-state g factor.

2006SU12: ¹⁹N(β^-), (β^-n); measured β-delayed E_n, E_γ, βγ-, nγ-, nβ-coin, T_1/2; deduced β-emission and γ-emission probabilities, B(GT). ¹⁹O deduced levels, β-feeding intensities.

2008SUZN: ¹⁹N(β^-); measured I_β, E_γ, I_γ(t), βγ-coin, , β-delayed E_n, I_n(θ, t); deduced B(GT) distribution.

Measured half-life for ¹⁹N(β^-)¹⁹O

Recommended value (August, 2015):	0.336 ± 0.003 sec	(2006SU12)
Summary Table of Uncertainty Analysis:	(PDF)
Measured values:	0.336 ± 0.003 sec	(2006SU12)
	0.271 ± 0.008 sec	(1995REZZ in (2006SU12): see also 0.255 ± 0.010 sec in (1994RE1R)
		and 0.329 ± 0.019 sec in (1991RE02).)
	0.300 ± 0.080 sec	(1988DUZT)
	0.21+0.2-0.1 sec	(1988MU08)
	0.235 ± 0.032 sec	(1988SA04)
	0.32 ± 0.10 sec	(1986DU07)
	0.42 ± 0.04 sec	(1974GU19) (Excluded)
Other Reviews:	0.336 ± 0.003 sec	(2015BI05)

Previous Measurements

 

Pn (%)		β- delayed γ decay scheme for 19O based on (1986DU07)
(1988MU08)	33+34-11	Eγ (keV)	Relative Intensity
(1991RE02)	62.4 ± 2.6	96.0 ± 1.0	100 ± 10
		709.2 ± 0.8	63 ± 21
		3137.8 ± 1.0	76 ± 21

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¹⁹C(β^-)¹⁹N Evaluated Data

¹⁹O(β^-)¹⁹F Evaluated Data

¹⁹Ne(β⁺)¹⁹F Evaluated Data

A = 19 Beta-Decays Diagram

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Last modified: 30 June 2021