16C

β--Decay Evaluated Data



Measurements
1961HI01: 16C; measured not abstracted; deduced nuclear properties.
1976AL02: 16C; measured Eγ, Iγ, γ(t), T1/2, delayed neutrons log ft. 16N deduced levels.
1976FI03: 16C; measured T1/2, delayed γ, delayed neutrons.
1983GA03: 16C(β-), (β-n); measured β(t), γ(t), βγ-coin; deduced log ft. 16N levels deduced β-branching ratio.
2000BU33, 2001GR06: 16C(β-n); measured β-delayed neutron spectra. 16N deduced level, J, π. Comparison with shell model predictions.
2009IWZZ: 16C(β-); measured Eγ, Iγ, θ(γ); deduced 2+-state half-life, B(E2) using recoil shadow method.
Measured half-life for 16C(β-)16N

Recommended value (September, 2015): 0.750 ± 0.008 sec
Summary Table of Uncertainty Analysis:  Table 16C preview (PDF)  
Measured values: 0.753 ± 0.008 sec (2001GR06)
0.816 ± 0.018 sec (1994RE1R: see also 719 ± 27 ms in (1991RE02) and 770 ± 13 ms in the
unpublished private communications of (2008REZZ)/(1995REZZ).) (Excluded)
0.780 ± 0.080 sec (1983GA03)
0.756 ± 0.034 sec (1976FI03)
0.747 ± 0.008 sec (1976AL02)
0.74 ± 0.03 sec (1961HI01)
Other Reviews: 0.7546 ± 0.0080 sec (2015BI05)

Previous Measurements

 

Decay to 16N*
(MeV)
 Jπ  Branching Ratio (%) log ft
(1976AL02) (1983GA03) a (1976AL02) (1983GA03) a
0.120 0- < 0.5 b 0.68+0.09-0.11 > 6.85 6.70 +0.07-0.05
0.298 3- < 0.5 b   > 6.83  
0.397 1- < 0.7 b < 0.1 > 6.64 > 7.46
3.35   1+ 84.4 ± 1.7   3.551 ± 0.012  
4.32   1+ 15.6 ± 1.7   3.83 ± 0.05  
a) See also (1984GA1A).
b) The combined branching to 16N*(0.120, 0.297, 0.398) is < 1.2 % (1976AL02)

16N(β-)16O Evaluated Data

A = 16 Beta-Decays Diagram

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Last modified: 21 May 2018