Improved analysis of neutral pion electroproduction off deuterium in chiral perturbation theory

Abstract

Near threshold neutral pion electroproduction on the deuteron is studied in the framework of heavy baryon chiral perturbation theory. We include the next-to-leading order corrections to the three-body contributions. We find an improved description of the total and differential cross section data measured at MAMI. We also obtain more precise values for the threshold S-wave multipoles. We discuss in detail the theoretical uncertainties of the calculation.

14 pp, 11 figs, uses svjour.cls

References in corpus (3)

• Improving the convergence of the chiral expansion for nuclear forces II: low phases and the deuteron
• Improved analysis of neutral pion electroproduction off deuterium in chiral perturbation theory
• Chiral Dynamics: Theory and Experiment (CD2003)

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• Improved analysis of neutral pion electroproduction off deuterium in chiral perturbation theory
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• The chiral limit of QCD and above
• Non-Strange Meson Production with Hadronic Probes
• The piNN system - recent progress