10C

β+-Decay Evaluated Data



Measurements for Superallowed Beta Decay
1975HA45: 10C; calculated ft for known superallowed β decays.
1988BA55: 10C(β+); measured Eγ, Iγ; deduced Q(β+). Superallowed beta decay.
1989BA28: 10C(β+); measured Eγ; deduced Qβ. 10B superallowed deduced transition Eγ.
1991KR19: 10C(β+); measured Eγ Iγ, β-delayed γ-spectra; deduced superallowed β-decay branching ratio.
1991NA01: 10C(β+); measured Eγ Iγ; log ft.
1991RA09: 10C; calculated radiative corrections to β-decay observables.
1992BA22: 10C; calculated radiative corretions to ft values.
1994BA65: 10C; calculated superallowed 0+-0+ β-decay nuclear mismatch correction. R-matrix theory.
1995SA16, 1995SAZQ: 10C; measured γγ-coin; deduced superallowed decay branching ratio.
1996SA09: 10C; calculated βdecay associated sum rule enhancement, quenching factors; deduced isospin mixing effects role.
1997NA17, 1999BAZS: 10C(β+); calculated isospin-mixing correction to superallowed Fermi transition matrix element.
1998BA83: 10C(β+); analyzed data; deduced superallowed decays Q-values.
1999FU04: 10C(β+); measured β-delayed Eγ Iγ; deduced superallowed transition branching ratio.
2000BA52: 10C; compiled, evaluated β-decay data; deduced Cabibbo-Kobayashi-Maskawa matrix elements.
2000HAZU: 10C; compiled, evaluated ft values for superallowed transitions.
2002HA47: 10C; analyzed superallowed decay log ft. Implication for unitarity test discussed.
2002TO19: 10C; calculated radiative and isospin symmetry-breaking corrections to ft values in superallowed Fermi β decay.
2002WI09: 10C; analyzed superallowed decay data; deduced Cabibbo-Kobayashi-Masakawa matrix element.
2003TO29: 10C; compiled, analyzed superallowed decays Q-values, T1/2, log ft, related data; deduced Vud matrix element.
2003WI01: 10C; analyzed superallowed decay log ft; deduced conserved vector current expectation, Cabibbo-Kobayashi-Maskawa matrix unitarity.
2004WI10: 10C; analyzed superallowed decay data; deduced matrix elements, operational vector coupling constant.
2005HA08, 2005HA27, 2005HA65: 10C; analyzed superallowed β-decay data; deduced limits on weak-interaction parameters.
2005SA44: 10C; compiled, analyzed log ft; deduced quark-mixing matrix element.
2005WI11: 10C; analyzed superallowed decay data; deduced matrix elements, operational vector coupling constant. Several correction terms discussed.
2008FI07: 10C; systematics of superallowed β decays and ft values.
2008HAZZ: 10C(β+), (EC); measured Eγ, Iγ, Eβ, βγ coin; deduced β+ + EC branches for superallowed β decay.
2008IA01: 10C(β+); measured half-life using pulsed-beam method; deduced ft value for superallowed β decay.
2008TO03: 10C; analyzed ft values for superallowed β decay.
2009BA06: 10C(β+); measured β spectra, half-life; deduced ft value.
2009HA12: 10C(β+); analyzed Q values, half-lives and branching ratios; deduced statistical rate function (Ft).
2010TO12: 10C(β+); analyzed isospin-symmetry-breaking correction for superallowed 0+ to 0+ β transitions.
2011ER02: 10C(β+); measured Q values for decay from mass measurements.
2011FI01: 10C; compiled log ft values.
2014HA08: 10C(EC); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced log ft, T1/2 and their uncertainties. Comparison with theoretical calculations.
2015HA07: 10C(β+), (EC); compiled and evaluated Q(ε), T1/2, branching ratios, γ-intensity ratios for superallowed (0+ to 0+) β transitions in Tz = -1 and 0 parent nuclei; deduced partial half-lives, ft, Ft.
2016DU10: 10C(EC); measured decay products, Eγ, Iγ; deduced T1/2 and its uncertainties.

Other Measurements
1949SH25: 10C; measured T1/2.
1962EA02: 10C; measured not abstracted; deduced nuclear properties.
1963BA52: 10C; measured not abstracted; deduced nuclear properties.
1969BR13: 10C; measured Eγ, Iγ; deduced β-branching, log ft.
1969FR02: 10C; measured Eγ, Iγ; deduced β+ branching, log ft.
1969FR09: 10C; measured Eγ, Iγ; deduced log ft, vector coupling constant.
1972RO03: 10C; measured Iγ; deduced β+ branching, ft.
1974AZ01: 10C; measured T1/2.
1974RO21: 10C; measured T1/2; deduced ft.
1988GI02: 10C(β+); measured β+ polarization.
1989KUZH: 10C(β+); measured Eγ, Iγ.
1990BA02: 10C(β+); measured T1/2.
1990NAZT: 10C(β+); measured Eγ, Iγ, decay branch; deduced ft value.
1991CA12: 10C(β+); measured Fermi, Gamow-Teller decay relative polarization; deduced nonstandard weak currents limits.
2008AY04: 10C(β+); compiled T1/2 from various ISOL facilities.
2011FI01: 10C; compiled log ft values.
2011SA08: 10C(EC); calculated log ft, isospin mixing corrections.
2014HA08: 10C(EC); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced log ft, T1/2 and their uncertainties. Comparison with theoretical calculations.
2017SE09: 10C(β+); measured decay products, Eγ, Iγ; deduced T1/2.
Measured half-life for 10C(β+)10B

Recommended value (May, 2016): 19.3015 ± 0.0017 sec
Summary Table of Uncertainty Analysis:   Table 10C preview (PDF); Summary Chart of All Values: Table 10C preview (PDF)  
Measured values: 19.3009 ± 0.0017 sec (2016DU10: T1/2(β))
19.2969 ± 0.0074 sec (2016DU10: T1/2(γ))
19.282 ± 0.011 sec (2009BA06)
19.310 ± 0.004 sec (2008IA01)
19.300 ± 0.041 sec (1990BA02)
19.294 ± 0.016 sec (1990BA02)
19.28 ± 0.02 sec (1974AZ01)
19.151 ± 0.026 sec (1974RO21) (Excluded: see comments in (1990BA02))
19.27 ± 0.08 sec (1963BA52)
19.48 ± 0.05 sec (1962EA02) (Excluded: no pile up rejection in analysis, see (1990BA02))
19.1 ± 0.8 sec (1949SH25)
Other Reviews: 19.3052 ± 0.0071 sec (2015HA07)
19.3080 ± 0.0038 sec (2009HA12)
19.255 ± 0.053 sec (1975HA45)
19.305 ± 0.005 sec (Our analysis in August, 2015)

Previous Measurements

 

Decay to 10B*
(MeV)
Branching Ratio (%) log ft Eβ(max) (MeV) Transition to
10B* (MeV)
Eγ (keV)
(1949SH25) (1963BA52)
0.72 (1953SH38) 98.4 (1966BA1A) 3 2.2 ± 0.1 1.865 ± 0.015 0 (1953SH38)   723 ± 15
(1969FR02) 98.48+0.03-0.02 a 3.047 (1969FR02) 718.29 ± 0.09
(1972RO03) 98.53 ± 0.02       (1988BA55, 1989BA28) 718.353 ± 0.010
1.74 (1953SH38) 1.65 ± 0.2   (1972RO03)b 3.499+0.005-0.006 0.72 (1953SH38) 1033 ± 30
(1969BR13) 1.52 ± 0.08 (1972RO03, 1975HA45) c 3.492 ± 0.005 (1969FR02) 1021.78 ± 0.14  
(1969FR02) 1.523+0.018-0.021     (1988BA55, 1989BA28) 1021.646 ± 0.014  
(1972RO03) 1.465 ± 0.014        
(1991KR19) 1.465 ± 0.009        
(1991NA01) 1.473 ± 0.007        
(1995SA16) 1.4625 ± 0.0025        
(1999FU04) 1.4665 ± 0.0038        
2.15 (1953SH38) < 0.1        (1972GO1A) ≥ 5.67            
(1969BR13) 0.0064 ± 0.002          
(1972GO1A) ≤ 8 × 10-4        
a) B. Zimmerman and G. Fox, private communication to Fay Ajzenberg-Selove (1974AJ01).
b) Includes radiative corrections (1972RO03). (1973TO04) using the same input data find 3.497+0.005-0.006, including both radiative and charge dependent corrections.
c) See also (1974RO21).

10Be(β-)10B Evaluated Data

A = 10 Beta-Decays Diagram

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Last modified: 21 May 2018