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Photon-photon interactions around 2.1 GeV and the gT(2160) meson

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Lettere al Nuovo Cimento (1971-1985)

Summary

We show that the behaviour of σ(γγ → ρρ) around 2.1 GeV can be explained by the effects of the gT(2160) and predict that σ(γγ → ϕϕ) near threshold has a prominent peak due to the gT(2160) and gT(2320) mesons which have been observed as the ϕϕ enhancement in the π-p → ϕϕn reaction. Some discussions about the constituents of these resonances are made.

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Authors and Affiliations

  1. Department of Physics, Osaka City University, Sumiyoshi-ku, 558, Osaka

    S. Minami

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  1. S. Minami
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Minami, S. Photon-photon interactions around 2.1 GeV and the gT(2160) meson. Lett. Nuovo Cimento 40, 15–18 (1984). https://doi.org/10.1007/BF02751755

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  • DOI: https://doi.org/10.1007/BF02751755

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