CLAS physics database search results Measurement E195M64 CLAS12 RG-K Daniel S. Carman 2022 W P'_x Data errors Systematic errors GeV 1.64 0.05382 0.04098 0.02194 1.72 0.05541 0.01892 0.01414 1.8 0.01838 0.01857 0.01419 1.88 0.05622 0.02073 0.01464 1.96 0.0112 0.02282 0.01593 2.04 -0.01714 0.02513 0.01643 2.12 0.00373 0.02634 0.01593 2.2 -0.00898 0.02747 0.01599 2.28 -0.02669 0.02944 0.01628 2.36 -0.02351 0.03152 0.01637