Energy dependence of total cross-sections in the CHKN model

L. P. Horwitz, J. L. Rosner

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The fit to high-energy cross-sections made by Cabibbo, Horwitz, Kokkedee and Ne'eman is used to predict various meson-meson, meson-baryon, baryon-baryon and baryon-antibaryon total cross-sections. By correlating the energy dependence of these cross-sections with the SU 3 representations allowed in the direct channel, we find that: i) In all channels in which resonances are expected, total cross-sections decrease at least as rapidly as in channels where resonances are not expected. ii) In baryon-antibaryon systems forming 10+27, total cross-sections decrease more rapidly than in those forming 27 alone. iii) Baryon-baryon total cross-sections involving 1, 8 or 10 direct-channel contributions are essentially constant or increasing, while those involving only or 27 contributions are decreasing. In particular, σ T-p) and σ T-p) are predicted to rise by 13% and 20% respectively, in the range 5 GeV≤ ≤p lab≤20 GeV/c.

Original languageEnglish
Pages (from-to)237-247
Number of pages11
JournalLa Rivista del Nuovo Cimento
Issue number1
StatePublished - Jan 1969
Externally publishedYes


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