${{\mathit \Xi}^{0}}$ DECAY PARAMETERS
See the ``Note on Baryon Decay Parameters'' in the neutron Listings.
$\mathit g_{1}(0)/\mathit f_{1}$(0) FOR ${{\mathit \Xi}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$
INSPIRE search
S023AH |
$\bf{
1.22 \pm0.05}$
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OUR AVERAGE
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$1.21$ $\pm0.05$ |
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NA48 |
$1.32$ ${}^{+0.21}_{-0.17}$ $\pm0.05$ |
487 |
1 |
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KTEV |
• • • We do not use the following data for averages, fits, limits, etc. • • • |
$1.20$ $\pm0.04$ $\pm0.03$ |
6520 |
2 |
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NA48 |
1
ALAVI-HARATI 2001I assumes here that the second-class current is zero and that the weak-magnetism term takes its exact SU(3) value.
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2
This BATLEY 2007 result uses our 2006 value of ${\it V}_{\it us}$ from semileptonic kaon decays as input.
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References: |
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PL B720 105
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Measurement of the Branching Ratio of the Decay ${{\mathit \Xi}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit \mu}^{-}}{{\overline{\mathit \nu}}_{{{\mu}}}}$ |
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PL B645 36
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Measurement of the Branching Ratios of the Decays ${{\mathit \Xi}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$ and ${{\overline{\mathit \Xi}}^{0}}$ $\rightarrow$ ${{\overline{\mathit \Sigma}}^{+}}{{\mathit e}^{+}}{{\mathit \nu}_{{{e}}}}$ |
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PRL 87 132001
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First Measurement of Form Factors of the Decay ${{\mathit \Xi}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{{e}}}}$ |
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