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DATA FOR POSITIVE RAPIDITY OF CHARGED PARTICLES IN FINAL STATE.
We present the results of a spin determination of the g 1 − (1640) meson from an analysis of its dipion decay mode (π − π 0 ), and find that spin three (or maybe greater) is favored [1,2]. We also report on the observation of an isospin one KK̄ enhancement at 1640 MeV which is consistent with a new decay mode of the g meson. A relative branching ratio of (K K ̄ /ππ) = 8 ± 3 8 % is obtain from our analysis.
The values of the cross sections were presented for reactions with KS finalstates for visible KS decays only.
The cross section value is corrected for invisible KS decay.