Baryon wave functions and cross sections for photon annihilation to baryon pairs

G. R. Farrar, H. Zhang, A. A. Ogloblin, I. R. Zhitnitsky

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The first few moments of the wave functions for Δ's and Ω are evaluated by QCD sum rules. Model wave functions are constructed based on these moments. Perturbative QCD predictions of cross sections for γγ → Δ++Δ++ and γγ → ΩΩ are obtained by integrating the quark scattering amplitudes over these wave functions. The ratio of γγ → Δ++Δ++ and γγ → p p ̄ cross sections is much lower than would be naively expected. Predictions for γγ → B8B8 are also given for the full baryon octet with QCD sum-rule wave functions.

    Original languageEnglish (US)
    Pages (from-to)585-612
    Number of pages28
    JournalNuclear Physics, Section B
    Volume311
    Issue number3
    DOIs
    StatePublished - Jan 2 1989

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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