Neutral Pion Electroproduction on the Proton near Threshold

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dc.creatorTabachenko, Alexander
dc.date1997-09-11
dc.date.accessioned2026-07-07T04:02:25Z
dc.date.available2026-07-07T04:02:25Z
dc.descriptionThe neutral pion electroproduction on the proton is considered in the framework phenomenological model based on the PCAC, current algebra with hard pions and chiral symmetry breaking interaction. The s- wave differential cross-section of the electroproduction of neutral pions off protons near the threshold is predicted as function photon momentum transfer squared $k^2$ . The s- wave multipoles $ReE_{0+}$ and $ReL_{0+}$ as function of the energy of the $π^0p$- system are given for the small $k^2$ and $% k^2=0.1(GeV/c)^2$. The results are compered with the experiment. It is shown the significant role of the explicit chiral symmetry breaking.
dc.description28 pages, 5 Postscript figures, Latex
dc.identifierhttps://arxiv.org/abs/hep-ph/9709308
dc.identifierhttp://arxiv.org/abs/hep-ph/9709308
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/47215
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNeutral Pion Electroproduction on the Proton near Threshold
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