CLAS physics database search results Measurement E195M158 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 0 0 0 1.72 0.92514 0.78589 0.15977 1.8 0.62192 0.21177 0.07177 1.88 -0.01412 0.17923 0.05584 1.96 -0.12791 0.20737 0.06114 2.04 0.34469 0.29776 0.08178 2.12 -1 0.41954 0.10595 2.2 0.27917 0.49571 0.09189 2.28 -0.57546 0.66932 0.09947 2.36 -0.93227 0.72737 0.08156