CLAS physics database search results Measurement E195M150 CLAS12 RG-K Daniel S. Carman 2022 W P'_x' Data errors Systematic errors GeV 1.64 0 0 0 1.72 -0.73436 0.77845 0.15977 1.8 -0.082 0.21455 0.07177 1.88 0.3268 0.18056 0.05584 1.96 0.02457 0.21187 0.06114 2.04 -0.30643 0.30868 0.08178 2.12 0.60789 0.42795 0.10595 2.2 -0.77869 0.5105 0.09189 2.28 -0.58751 0.65712 0.09947 2.36 -0.46207 0.78145 0.08156