scholarly journals Comparison of the Beta-Alpha Angular Correlations in theLi8andB8Beta Decays, and the Conserved Vector Current Theory

1962 ◽  
Vol 125 (1) ◽  
pp. 321-330 ◽  
Author(s):  
M. E. Nordberg ◽  
F. B. Morinigo ◽  
C. A. Barnes
1966 ◽  
Vol 21 (7) ◽  
pp. 908-913 ◽  
Author(s):  
H. Eichner ◽  
K. H. Lauterjung ◽  
H. Meinhardt ◽  
B. Schimmer ◽  
U. Schmidt-Rohr

The βv- and βα-angular correlations for the decay of 8Li→8Be*→2α previously studied have been remeasured with an improved experimental setup. In addition we have measured these correlations for the decay 8B→8Be→2 α.For the coefficient b in the angular correlation between β-, ν- and α-particle for Gamow—Teller interaction W (b,,ϑ,φ)dΩ=[1+bv/c) cos ϑ·cos φ] dΩwe got b(8Li) = —1,01 ± 0,07 and b (8B) =1,05 ± 0,12. Both results are in agreement with pure axial vector interaction.For the coefficient B in the angular correlation between β- and α-particle W(Θ) dΩ= (1+A·cos Θ+B·cos2Θ) dΩwe got B (8Li) = (+0.0031 ± 0.0003) · Wβ and B (8B) = (-0.0023 ±0.0003) ·Wβ . The experimental resultδ=B (8Li) —B (8B) = (0.0054 ± 0.0004) Wβis within the range predicted by the Conserved Vector Current theory.


1962 ◽  
Vol 1 (4) ◽  
pp. 118-120 ◽  
Author(s):  
R.M. Spector ◽  
R.J. Blin Stoyle

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