CLAS physics database search results Measurement E195M84 CLAS12 RG-K Daniel S. Carman 2022 W P'_x' Data errors Systematic errors GeV 1.64 -0.04526 0.06373 0.02155 1.72 -0.0391 0.03655 0.01718 1.8 -0.07598 0.03665 0.01745 1.88 -0.11235 0.0376 0.01779 1.96 -0.14865 0.03754 0.01841 2.04 -0.06641 0.03605 0.01747 2.12 -0.09869 0.03556 0.01727 2.2 -0.16052 0.03497 0.01703 2.28 -0.22289 0.03488 0.01687 2.36 -0.22166 0.03495 0.01731