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On the basis of data on the decay D^+_s -> pi^+ pi^+ pi^-, which goesdominantly via the transition D_s -> pi^+ s anti-s, we evaluate the 1^3P_0 santi-s components in the scalar-isoscalar resonances f0(980), f0(1300),f0(1500) and broad state f0(1200-1600)$. The data point to a large s anti-scomponent in the f0(980): 40% < s anti-s < 70%. Nearly 30% of the 1^3P_0 santi-s component flows to the mass region 1300-1500 MeV being shared byf0(1300), f0(1500) and broad state f0(1200-1600): the interference of thesestates results in a peak near 1400 MeV with the width around 200 MeV.Comment: 17 pages, 4 figures, epsfi

D s + → π + π + π − decay: The $$1^3 P_0 s\bar s$$ component in scalar-isoscalar mesons