Photoproduction of k+ lambda and k+ sigma0 and g(lambda k n), g(sigma k n) coupling constants
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Abstract: (Elsevier)
The reactions γ p → K + Λ and γ p → K + Σ o are analysed in the low and intermediate energy range with the help of a new isobaric model which includes Born terms and s - and u -channel resonances only. The results are discussed in terms of the g Λ KN and g Σ KN coupling constants. The values −12.7 〈~ g Λ KN 〈~ −8.5 and and 1.3 〈~ g Σ KN 〈~ 2.0 are favoured.- photon p: interaction
- interaction: photon p
- strange particle: photoproduction
- photoproduction: strange particle
- final states
- lambda: k+
- sigma0: k+
- final state
- model: isobar
- coupling constant: lambda n k
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