We have been studying the (Σπ) mass distribution based on data from an old Hydrogen Bubble Chamber collected by Thomas et al. concerning the p(π, K)Σπ reaction at p = 1.69 GeV/c. In this analysis we investigated the formation of the Λ(1405) state, using the Generalized Optical Theorem and T-matrix operator. We applied a combined transition operator, T, which contains T (=T) and T (= T) due to the initial channel mixing in the Λ(1405) formation. We also considered a possible mixture of I = 0 and 1 in the wave function, as well as some background of the Σ(1385) population.
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| http://dx.doi.org/10.2183/pjab.95.006 | DOI Listing |
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