CLAS physics database search results Measurement E195M61 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 0.02697 0.06259 0.01645 1.72 -0.00631 0.03552 0.01603 1.8 -0.02973 0.03808 0.01913 1.88 0.03326 0.03684 0.01868 1.96 0.06632 0.04127 0.0204 2.04 -0.06868 0.0548 0.02754 2.12 -0.18573 0.086 0.04107 2.2 -0.35308 0.12082 0.05123 2.28 -0.10469 0.12022 0.04679 2.36 -0.01383 0.12783 0.04225