CLAS physics database search results Measurement E209M5 CLAS12 RG-K K+Y recoil polarization Daniel S. Carman 2025 Q^2 P^0_y Data errors Systematic errors GeV2 0.35 -0.4767 0.0086 0.0125 0.45 -0.4561 0.0086 0.0121 0.55 -0.472 0.0096 0.007 0.65 -0.388 0.0103 0.0082 0.75 -0.3673 0.0111 0.0053 0.85 -0.3506 0.012 0.0075 0.95 -0.3495 0.0132 0.0075 1.05 -0.3743 0.0143 0.0127 1.15 -0.3523 0.0153 0.0164 1.25 -0.3592 0.0167 0.0201 1.35 -0.3469 0.0179 0.0084 1.45 -0.3694 0.0196 0.0088 1.6 -0.3684 0.0156 0.0074 1.8 -0.3597 0.0189 0.0123 2 -0.3245 0.0224 0.0065 2.2 -0.2824 0.0259 0.0147 2.4 -0.2916 0.0305 0.0312 2.65 -0.261 0.0294 0.0251 2.95 -0.2904 0.0353 0.0088 3.3 -0.2827 0.0394 0.0171