Photo- and Electroproduction of Eta Mesons on Nucleons and Nuclei

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Mesons and Light Nuclei ’95

Part of the book series: Few-Body Systems ((FEWBODY,volume 9))

Abstract

Eta photo- and electroproduction off the nucleon is investigated in an approach that contains Born terms, vector meson and nucleon resonance contributions. In a comparison with the new Mainz data we find a large sensitivity on the elementary ηN N coupling. Our analysis results in a pseudoscalar ηN N coupling with a coupling constant of g 2 ηN N /4π=0.4. Furthermore, we also study coincidence cross sections for eta electroproduction and present calculations for structure functions and kinematical conditions that are most sensitive to the S 11(1535) and the D 13(1520) resonances. Finally, we show results on the inclusive eta photoproduction off complex nuclei with a very good agreement with recent data from Mainz.

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© 1995 Springer-Verlag

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Tiator, L., Bennhold, C., Kamalov, S.S., Knöchlein, G., Lee, F.X., Wright, L.E. (1995). Photo- and Electroproduction of Eta Mesons on Nucleons and Nuclei. In: Adam, J., Dobeš, J., Mach, R., Sotona, M., Dolejší, J. (eds) Mesons and Light Nuclei ’95. Few-Body Systems, vol 9. Springer, Vienna. https://doi.org/10.1007/978-3-7091-9453-9_26

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  • DOI: https://doi.org/10.1007/978-3-7091-9453-9_26

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-7091-9455-3

  • Online ISBN: 978-3-7091-9453-9

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