CLAS physics database search results Measurement E195M53 CLAS12 RG-K Daniel S. Carman 2022 W P'_x' Data errors Systematic errors GeV 1.64 -0.15155 0.05927 0.01645 1.72 -0.26806 0.03236 0.01603 1.8 -0.22523 0.03388 0.01913 1.88 -0.22789 0.03351 0.01868 1.96 -0.34889 0.03698 0.0204 2.04 -0.25222 0.05123 0.02754 2.12 -0.10336 0.07779 0.04107 2.2 -0.35153 0.11756 0.05123 2.28 0.27173 0.12375 0.04679 2.36 -0.36758 0.12505 0.04225