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$\vert \mu\mathrm {( {{\mathit \Sigma}^{0}} \rightarrow {{\mathit \Lambda}} )}\vert $ TRANSITION MAGNETIC MOMENT

INSPIRE   PDGID:

S021MM

See the note in the ${{\mathit \Sigma}^{0}}$ mean-life section above. Also, See the “Quark Model” review.

VALUE ($\mu _{\mathit N}$) DOCUMENT ID TECN  COMMENT $\bf{ 1.61 \pm0.08}$ OUR AVERAGE $1.72$ ${}^{+0.17}_{-0.19}$ 1 DEVLIN 1986 SPEC Primakoff effect $1.59$ $\pm0.05$ $\pm0.07$ 2 PETERSEN 1986 SPEC Primakoff effect • • We do not use the following data for averages, fits, limits, etc. • • $1.82$ ${}^{+0.25}_{-0.18}$ 1 DYDAK 1977 SPEC See DEVLIN 1986 1  DEVLIN 1986 is a recalculation of the results of DYDAK 1977 removing a numerical approximation made in that work. 2  An additional uncertainty of the Primakoff formalism is estimated to be $<$ 2.5$\%$.

References:

DEVLIN 1986 PR D34 1626 On Primakoff Production of ${{\mathit \Sigma}^{0}}$ Hyperons PETERSEN 1986 PRL 57 949 Measurement of the ${{\mathit \Sigma}^{0}}{{\mathit \Lambda}}$ Transition Magnetic Moment DYDAK 1977 NP B118 1 Measurement of the ${{\mathit \Sigma}^{0}}$ Lifetime