CLAS physics database search results Measurement E195M60 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 0.11735 0.05444 0.02312 1.72 0.01252 0.02695 0.01501 1.8 0.03278 0.0256 0.01511 1.88 -0.01324 0.02458 0.01506 1.96 0.04189 0.02312 0.01497 2.04 -0.03045 0.02249 0.01503 2.12 0.01504 0.02148 0.01535 2.2 0.00962 0.02067 0.0156 2.28 0.01557 0.02141 0.01653 2.36 0.03601 0.02231 0.01694