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.
Other Measurements
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.
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.
Measured half-life for 10C(β+)10B

Adopted value: 19.290 ± 0.012 sec (see 1990BA02)
Measured values: 19.300 ± 0.041 sec (1990BA02)
19.294 ± 0.016 sec (1990BA02)
19.28 ± 0.02 sec (1974AZ01)
19.151 ± 0.026 sec (1974RO21)
19.27 ± 0.08 sec (1963BA52)
19.48 ± 0.05 sec (1962EA02)
19.1 ± 0.8 sec (1949SH25)
Previous Measurements

 
Decay to 10B*
(MeV)		 Branching Ratio (%) log ft Eβ(max) (MeV) Transition to
10B* (MeV)		 Eγ (keV) Iγ (%)
(1949SH25) (1963BA52)
0.72 (1953SH38) 98.4 (BA65K) 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        (GO72K) ≥ 5.67                
(1969BR13) 0.0064 ± 0.002              
(GO72K) ≤ 8 x 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: 15 November 2007