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$phi$-meson production in proton-proton collisions | | K. Nakayama
; J. W. Durso
; J. Haidenbauer
; C. Hanhart
; J. Speth
; | | Date: |
14 Apr 1999 | | Journal: | Phys.Rev. C60 (1999) 055209 | | Subject: | nucl-th | | Abstract: | The production of $phi$-mesons in proton-proton collisions is investigated within a relativistic meson-exchange model of hadronic interactions. The experimental prerequisites for extracting the $NNphi$ coupling strength from this reaction are discussed. In the absence of a sufficient set of data, which would enable an accurate determination of the $NNphi$ coupling strength, we perform a combined analysis, based on some reasonable assumptions, of the existing data for both $omega$- and $phi$-meson production. We find that the recent data from the DISTO collaboration on the angular distribution of the $phi$ meson indicate that the $NNphi$ coupling constant is small. The analysis yields values for $g_{NNphi}$ that are compatible with the OZI rule. | | Source: | arXiv, nucl-th/9904040 | | Services: | Forum | Review | PDF | Favorites | |
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