CLAS physics database search results Measurement E209M7 CLAS12 RG-K K+Y recoil polarization Daniel S. Carman 2025 cos(theta_K^c.m.) P^0_y' Data errors Systematic errors -0.96 -0.1199 0.1502 0.1978 -0.88 -0.05 0.0331 0.0305 -0.8 -0.1949 0.0213 0.0213 -0.72 -0.3108 0.0209 0.0114 -0.64 -0.3296 0.0207 0.0055 -0.56 -0.5314 0.0212 0.0263 -0.48 -0.5879 0.0243 0.0152 -0.4 -0.6565 0.0221 0.0246 -0.32 -0.6032 0.0239 0.0111 -0.24 -0.6709 0.0224 0.0198 -0.16 -0.6468 0.0225 0.0126 -0.08 -0.6383 0.0212 0.0245 0 -0.6894 0.0196 0.0125 0.08 -0.623 0.0216 0.0232 0.16 -0.6442 0.0212 0.0093 0.24 -0.6383 0.0199 0.0129 0.32 -0.5943 0.0181 0.0104 0.4 -0.5737 0.017 0.0086 0.48 -0.5398 0.0155 0.0115 0.56 -0.5479 0.0145 0.01 0.64 -0.481 0.0139 0.0098 0.72 -0.4722 0.0125 0.021 0.8 -0.4506 0.0127 0.02 0.88 -0.3577 0.0154 0.023 0.96 -0.2382 0.0154 0.0123