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| Hauptseite > Workflowsammlungen > Öffentliche Einträge > Erratum: Test of Low-Energy Theorems for 1H(γ⃗,π0)1H in the Threshold Region [Phys. Rev. Lett. 87, 232501 (2001)] |
| Hauptseite > Workflowsammlungen > Öffentliche Einträge > Erratum: Test of Low-Energy Theorems for 1H(γ⃗,π0)1H in the Threshold Region [Phys. Rev. Lett. 87, 232501 (2001)] |
| Journal Article | FZJ-2013-04273 |
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2013
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/5393 doi:10.1103/PhysRevLett.110.039903
Abstract: The photon asymmetry in the reaction p(\vec{\gamma},\pi^{0})p close to threshold has been measured for the first time with the photon spectrometer TAPS using linearly polarized photons from the tagged-photon facility at the Mainz Microtron MAMI. The total and differential cross sections were also measured simultaneously with the photon asymmetry. This allowed determination of the S-wave and all three P-wave amplitudes. The low-energy theorems based on the parameter-free third-order calculations of heavy-baryon chiral perturbation theory for P1 and P2 agree with the experimental values.
Keyword(s): photon p: inelastic scattering ; photon: polarized beam ; photon: tagged beam ; pi0: photoproduction ; threshold ; low-energy theorem ; cross section ; scattering amplitude ; partial wave analysis: multipole ; polarization: asymmetry ; perturbation theory: chiral ; spectrometer: experimental results ; Mainz Linac
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