Axial vector meson production |
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Authors: | A.C. Irving V. Chaloupka |
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Affiliation: | CERN, Geneva, Switzerland |
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Abstract: | Recently available differential cross section and density matrix information on π?p → B?p at 4 GeV/c are successfully described in terms of t channel exchanges and s channel absorptive effects. The s channel helicity amplitude which is dominant at small |t| (zero net helicity flip ω exchange) is found to have a zero at ?t = 0.2 GeV2. SU(3) and higher symmetries are used to predict cross sections for further axial vector meson production processes, in particular non-diffractive A1 production. The importance of these processes with regard to Regge phenomenology and meson spectroscopy is emphasized. |
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