CLAS physics database search results Measurement E195M59 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 0.04172 0.04027 0.02142 1.72 0.00142 0.0221 0.01826 1.8 -0.03103 0.01996 0.01882 1.88 0.00534 0.02017 0.01939 1.96 -0.00184 0.02128 0.02079 2.04 0.00105 0.02216 0.02037 2.12 0.00464 0.02406 0.01985 2.2 -0.05903 0.02759 0.02031 2.28 0.01646 0.03185 0.01959 2.36 -0.02444 0.03736 0.01833