CLAS physics database search results Measurement E209M26 CLAS12 RG-K K+Y recoil polarization Daniel S. Carman 2025 W P^0_y' Data errors Systematic errors GeV 1.64 0.0209 0.0335 0.0173 1.72 -0.0824 0.0188 0.0173 1.8 -0.1806 0.0172 0.0174 1.88 -0.0253 0.0181 0.0173 1.96 0.0804 0.023 0.0173 2.04 0.0859 0.0319 0.0173 2.12 0.0605 0.0418 0.0173 2.2 0.0818 0.0568 0.0173 2.28 0.1064 0.0762 0.0173 2.36 0.3555 0.1097 0.0178