CLAS physics database search results Measurement E195M94 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 -0.02048 0.07064 0.01776 1.72 -0.06951 0.03901 0.01475 1.8 -0.01052 0.04057 0.01621 1.88 -0.02501 0.04714 0.01914 1.96 -0.0294 0.06292 0.02498 2.04 -0.01127 0.08913 0.03088 2.12 -0.01792 0.12047 0.03957 2.2 0.05213 0.14208 0.03688 2.28 0.32712 0.20669 0.04389 2.36 -0.06092 0.29195 0.04894