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${{\mathit \Lambda}}$ DECAY PARAMETERS

See the ``Note on Baryon Decay Parameters'' in the neutron Listings. Some early results have been omitted.

$\alpha _{0}$ $/$ $\alpha _{−}$ = $\alpha\mathrm {({{\mathit \Lambda}} \rightarrow {{\mathit n}} {{\mathit \pi}^{0}})}$ $/$ $\alpha\mathrm {({{\mathit \Lambda}} \rightarrow {{\mathit p}} {{\mathit \pi}^{-}})}$

INSPIRE   JSON  (beta) PDGID:

S018A0

VALUE EVTS DOCUMENT ID TECN  COMMENT $\bf{ 0.888 {}^{+0.034}_{-0.030}}$ OUR AVERAGE  Error includes scale factor of 1.7. $0.877$ $\pm0.015$ ${}^{+0.014}_{-0.010}$ 144k ABLIKIM 2024 AR BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$ $1.000$ $\pm0.068$ 4760 1 OLSEN 1970 OSPK ${{\mathit \pi}^{+}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit K}^{+}}$ $1.10$ $\pm0.27$ CORK 1960 CNTR 1  OLSEN 1970 compares proton and neutron distributions from ${{\mathit \Lambda}}$ decay.

References

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