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Döring, M. [Author]; Ajaka, J. [Author]; Fantini, A. [Author]; Fichen, L. [Author]; Gervino, G. [Author]; Ghio, F. [Author]; Girolami, B. [Author]; Giusa, A. [Author]; Guidal, M. [Author]; Hourany, E. [Author]; Kunne, R. [Author]; Lapik, A. [Author]; Assafiri, Y. [Author]; Sandri, P. L. [Author]; Moricciani, D. [Author]; Muskarenkov, A. [Author]; Nedorezov, V. [Author]; Oset, E. [Author]; Randieri, C. [Author]; Rudnev, N. [Author]; Russo, G. [Author]; Schaerf, C. [Author]; Sperduto, M. [Author]; Bartalini, O. [Author]; [...]

Simultaneous Photoproduction of eta and pi0 Mesons on the Proton

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  • Media type: E-Article
  • Title: Simultaneous Photoproduction of eta and pi0 Mesons on the Proton
  • Contributor: Döring, M. [Author]; Ajaka, J. [Author]; Fantini, A. [Author]; Fichen, L. [Author]; Gervino, G. [Author]; Ghio, F. [Author]; Girolami, B. [Author]; Giusa, A. [Author]; Guidal, M. [Author]; Hourany, E. [Author]; Kunne, R. [Author]; Lapik, A. [Author]; Assafiri, Y. [Author]; Sandri, P. L. [Author]; Moricciani, D. [Author]; Muskarenkov, A. [Author]; Nedorezov, V. [Author]; Oset, E. [Author]; Randieri, C. [Author]; Rudnev, N. [Author]; Russo, G. [Author]; Schaerf, C. [Author]; Sperduto, M. [Author]; Bartalini, O. [Author]; [...]
  • imprint: APS, 2008
  • Published in: Physical review letters 100, 052003 (2008). doi:10.1103/PhysRevLett.100.052003
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevLett.100.052003
  • ISSN: 0031-9007
  • Keywords: N(1535) ; < 1.5 GeV: (1)) ; photon: polarized beam ; Delta(1700) ; polarization: asymmetry ; effective Lagrangian: chiral ; eta: photoproduction ; numerical calculations ; interpretation of experiments: Grenoble ESRF ; nucleon resonance: intermediate boson ; cross section ; photon p --> p eta pi0 ; energy dependence ; pi0: associated production ; photon p: interaction
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: The analysis of the gamma p ->eta pi(0)p reaction has been performed using data from the GRAAL experiment. The total and differential cross sections and the beam asymmetry have been obtained from threshold up to 1.5 GeV of beam energy. The two resonances S-11(1535) and Delta(1700) are expected to be excited in the intermediate states of this reaction. The results are used to test predictions based on the assumption that both resonances are dynamically generated from the meson-baryon interaction provided by chiral Lagrangians. The term involving the Delta(1700) excitation, followed by the decay into eta Delta(1232), is found to be dominant.
  • Access State: Open Access