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- W2614278513 abstract "The $ensuremath{beta}ensuremath{-}ensuremath{gamma}$ angular correlation for the decay of $^{20}mathrm{Na}$ has been measured using a symmetric four detector system. The $^{20}mathrm{Na}$ activity was produced by the $^{20}mathrm{Ne}(p,n)^{20}mathrm{Na}$ reaction and transported by a He jet to the detector chamber. Care was exercised to ensure that the $ensuremath{beta}$ source was well defined. Correlation data were acquired for ${ensuremath{theta}}_{ensuremath{beta}ensuremath{-}ensuremath{gamma}}=90ifmmode^circelsetextdegreefi{} mathrm{and} 180ifmmode^circelsetextdegreefi{}$ as a function of positron energy. The correlation data were analyzed for both linear and quadratic energy dependence. We report as the best estimate for the linear coefficient (- 5.0 ifmmodepmelsetextpmfi{} 0.8) ifmmodetimeselsetexttimesfi{} ${10}^{ensuremath{-}3}$ ${mathrm{MeV}}^{ensuremath{-}1}$ and for the quadratic coefficient (2.9 ifmmodepmelsetextpmfi{} 0.8) ifmmodetimeselsetexttimesfi{} ${10}^{ensuremath{-}4}$ ${mathrm{MeV}}^{ensuremath{-}2}$. Incorporating the results with other measurements in the $A=20$ system, we find an upper limit for the second class current contribution to the correlation which is no more than 20% of the weak magnetism contribution and is consistent with zero.NUCLEAR REACTIONS Radioactivity $^{20}mathrm{Na}$; measured $ensuremath{beta}ensuremath{-}ensuremath{gamma}$ angular correlation. Determined induced weak currents." @default.
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- W2614278513 date "1981-05-01" @default.
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- W2614278513 title "<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>β</mml:mi><mml:mo>−</mml:mo><mml:mi>γ</mml:mi></mml:math>angular correlation in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant=normal>Na</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>20</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>" @default.
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- W2614278513 doi "https://doi.org/10.1103/physrevc.23.2245" @default.
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