Why the f(0)(980) is mostly ssbar

Eef van Beveren (University of Coimbra , Portugal) , George Rupp (Instituto Superior Tecnico , Lisboa , Michael D. Scadron (University of Arizona , Tucson , AZ , USA)

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classification ✦ hep-ph

keywords mesonmostlychargedconcludecontainsdecaydifferentexploit

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We exploit the W-emission process to study the measured weak decay of the D(s,+)(1.9686) meson into f(0)(980) and a positively charged pion. We conclude that the scalar f(0)(980) meson contains mostly strange-antistrange flavors, which is supported by different model studies.

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Why the f(0)(980) is mostly ssbar

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