Asymmetry Measurement in the Elastic Pion‐Proton Scattering at 1.94 and 2.07 GeV/c
PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM(2007)
Abstract
Latest results by the ITEP-PNPI collaboration on the asymmetry in the pi(+)p elastic scattering are presented. The data were obtained for the first time in the region of backward angles with low cross section, where the predictions of the partial wave analyses are notreliable. The results at 1.94 GeV/c are in favor of the older KH80 analysis and show noticeable deviation from the latest FA06 solution by GWU group. At 2.07 GeV/c very low cross section did not allow to achieve good accuracy. Yet the data do not follow any of the PWA predictions and definitely disagree with SP06 analysis.
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Key words
cross section,elastic scattering
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