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- W1973007067 abstract "We have studied the invariant mass distributions of the andKK systems for invariant masses up to 1.2 GeV from theJ=!.KK/ decays. The approach exploits the connection between these processes and the andKK strange and nonstrange scalar form factors by considering the meson as a spectator. The calculated scalar form factors are then matched with the ones from next-toleading-order chiral perturbation theory, including the calculation of the the KK scalar form factors. Final state interactions in the J=!.KK/ processes are taken into account as rescattering effects in the system of the two pseudoscalar mesons. A very good agreement with the experimental data from DM2 and MARK-III is achieved. Furthermore, making use ofSU.3/ symmetry, the S-wave contribution to the C event distribution in the J=!! C reaction is also given and the data up to energies of about 0.7 GeV are reproduced. These decays of the J= to a vector and a pair of pseudoscalars turn out to be very sensitive to OZI-violating physics which we parameterize in terms of a direct OZI-violation parameter and the chiral perturbation theory low-energy constants L r andL r . These constants all come out very different from zero, lending further credit to the statement that the OZI rule is subjected to large corrections in the scalar 0 CC channel. © 2001 Elsevier Science" @default.
- W1973007067 created "2016-06-24" @default.
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- W1973007067 date "2001-12-01" @default.
- W1973007067 modified "2023-10-16" @default.
- W1973007067 title "J/Ψ DECAYS, CHIRAL DYNAMICS AND OZI VIOLATION" @default.
- W1973007067 cites W1983594177 @default.
- W1973007067 doi "https://doi.org/10.1142/9789812810977_0041" @default.
- W1973007067 hasPublicationYear "2001" @default.
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