${{\boldsymbol \Xi}^{-}}$ DECAY PARAMETERS
See the ``Note on Baryon Decay Parameters'' in the neutron Listings.
${\boldsymbol g}_{{{\boldsymbol A}}}$ $/$ ${\boldsymbol g}_{{{\boldsymbol V}}}$ FOR ${{\boldsymbol \Xi}^{-}}$ $\rightarrow$ ${{\boldsymbol \Lambda}}{{\boldsymbol e}^{-}}{{\overline{\boldsymbol \nu}}_{{e}}}$
INSPIRE search
| $-0.25$ $\pm0.05$ |
1992 |
1 |
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SPEC |
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1
BOURQUIN 1983 assumes that $\mathit g_{2}$ = 0. Also, the sign has been changed to agree with our conventions, given in the ``Note on Baryon Decay Parameters'' in the neutron Listings.
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| References: |
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| ZPHY C21 1 |
Measurements of Hyperon Semileptonic Decays at the CERN Super Proton Synchrotron. 2. The ${{\mathit \Lambda}}$ $\rightarrow$ ${{\mathit p}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}$ , ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}$ , and ${{\mathit \Xi}^{-}}$ $\rightarrow$ ${{\mathit \Sigma}^{0}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}$ Decay Modes |
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